131 files changed, 1176 insertions, 714 deletions

diff --git a/include/asm-alpha/thread_info.h b/include/asm-alpha/thread_info.h
index fb3185196298..15fda4344424 100644
--- a/include/asm-alpha/thread_info.h
+++ b/include/asm-alpha/thread_info.h
@@ -50,10 +50,8 @@ register struct thread_info *__current_thread_info __asm__("$8");
 #define current_thread_info()  __current_thread_info
 
 /* Thread information allocation.  */
+#define THREAD_SIZE_ORDER 1
 #define THREAD_SIZE (2*PAGE_SIZE)
-#define alloc_thread_info(tsk) \
-  ((struct thread_info *) __get_free_pages(GFP_KERNEL,1))
-#define free_thread_info(ti) free_pages((unsigned long) (ti), 1)
 
 #endif /* __ASSEMBLY__ */
 
diff --git a/include/asm-arm/ptrace.h b/include/asm-arm/ptrace.h
index 7aaa206cb54e..8382b7510f94 100644
--- a/include/asm-arm/ptrace.h
+++ b/include/asm-arm/ptrace.h
@@ -139,8 +139,6 @@ static inline int valid_user_regs(struct pt_regs *regs)
         return 0;
 }
 
-#endif  /* __KERNEL__ */
-
 #define pc_pointer(v) \
         ((v) & ~PCMASK)
 
@@ -153,10 +151,10 @@ extern unsigned long profile_pc(struct pt_regs *regs);
 #define profile_pc(regs) instruction_pointer(regs)
 #endif
 
-#ifdef __KERNEL__
 #define predicate(x)            ((x) & 0xf0000000)
 #define PREDICATE_ALWAYS        0xe0000000
-#endif
+
+#endif /* __KERNEL__ */
 
 #endif /* __ASSEMBLY__ */
 
diff --git a/include/asm-arm/thread_info.h b/include/asm-arm/thread_info.h
index f5a664786311..d4be2d646160 100644
--- a/include/asm-arm/thread_info.h
+++ b/include/asm-arm/thread_info.h
@@ -97,19 +97,6 @@ static inline struct thread_info *current_thread_info(void)
         return (struct thread_info *)(sp & ~(THREAD_SIZE - 1));
 }
 
-/* thread information allocation */
-#ifdef CONFIG_DEBUG_STACK_USAGE
-#define alloc_thread_info(tsk) \
-        ((struct thread_info *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, \
-                THREAD_SIZE_ORDER))
-#else
-#define alloc_thread_info(tsk) \
-        ((struct thread_info *)__get_free_pages(GFP_KERNEL, THREAD_SIZE_ORDER))
-#endif
-
-#define free_thread_info(info) \
-        free_pages((unsigned long)info, THREAD_SIZE_ORDER);
-
 #define thread_saved_pc(tsk)    \
         ((unsigned long)(pc_pointer(task_thread_info(tsk)->cpu_context.pc)))
 #define thread_saved_fp(tsk)    \
diff --git a/include/asm-avr32/thread_info.h b/include/asm-avr32/thread_info.h
index df68631b7b27..294b25f9323d 100644
--- a/include/asm-avr32/thread_info.h
+++ b/include/asm-avr32/thread_info.h
@@ -61,10 +61,6 @@ static inline struct thread_info *current_thread_info(void)
         return (struct thread_info *)addr;
 }
 
-/* thread information allocation */
-#define alloc_thread_info(ti) \
-        ((struct thread_info *) __get_free_pages(GFP_KERNEL, THREAD_SIZE_ORDER))
-#define free_thread_info(ti) free_pages((unsigned long)(ti), 1)
 #define get_thread_info(ti) get_task_struct((ti)->task)
 #define put_thread_info(ti) put_task_struct((ti)->task)
 
diff --git a/include/asm-blackfin/ptrace.h b/include/asm-blackfin/ptrace.h
index b8346cd3a6f6..a45a80e54adc 100644
--- a/include/asm-blackfin/ptrace.h
+++ b/include/asm-blackfin/ptrace.h
@@ -83,14 +83,14 @@ struct pt_regs {
 #define PTRACE_GETREGS            12
 #define PTRACE_SETREGS            13    /* ptrace signal  */
 
-#ifdef CONFIG_BINFMT_ELF_FDPIC
 #define PTRACE_GETFDPIC           31
 #define PTRACE_GETFDPIC_EXEC      0
 #define PTRACE_GETFDPIC_INTERP    1
-#endif
 
 #define PS_S  (0x0002)
 
+#ifdef __KERNEL__
+
 /* user_mode returns true if only one bit is set in IPEND, other than the
    master interrupt enable.  */
 #define user_mode(regs) (!(((regs)->ipend & ~0x10) & (((regs)->ipend & ~0x10) - 1)))
@@ -98,6 +98,8 @@ struct pt_regs {
 #define profile_pc(regs) instruction_pointer(regs)
 extern void show_regs(struct pt_regs *);
 
+#endif  /*  __KERNEL__  */
+
 #endif                          /* __ASSEMBLY__ */
 
 /*
diff --git a/include/asm-blackfin/thread_info.h b/include/asm-blackfin/thread_info.h
index bc2fe5accf20..642769329d12 100644
--- a/include/asm-blackfin/thread_info.h
+++ b/include/asm-blackfin/thread_info.h
@@ -42,6 +42,7 @@
 /*
  * Size of kernel stack for each process. This must be a power of 2...
  */
+#define THREAD_SIZE_ORDER       1
 #define THREAD_SIZE             8192    /* 2 pages */
 
 #ifndef __ASSEMBLY__
@@ -94,10 +95,6 @@ static inline struct thread_info *current_thread_info(void)
         return (struct thread_info *)((long)ti & ~((long)THREAD_SIZE-1));
 }
 
-/* thread information allocation */
-#define alloc_thread_info(tsk) ((struct thread_info *) \
-                                __get_free_pages(GFP_KERNEL, 1))
-#define free_thread_info(ti)    free_pages((unsigned long) (ti), 1)
 #endif                          /* __ASSEMBLY__ */
 
 /*
diff --git a/include/asm-cris/arch-v10/Kbuild b/include/asm-cris/arch-v10/Kbuild
index 60e7e1b73cec..7a192e1290b1 100644
--- a/include/asm-cris/arch-v10/Kbuild
+++ b/include/asm-cris/arch-v10/Kbuild
@@ -1,4 +1,3 @@
-header-y += ptrace.h
 header-y += user.h
 header-y += svinto.h
 header-y += sv_addr_ag.h
diff --git a/include/asm-cris/arch-v10/ptrace.h b/include/asm-cris/arch-v10/ptrace.h
index fb14c5ee37f9..2f464eab3a51 100644
--- a/include/asm-cris/arch-v10/ptrace.h
+++ b/include/asm-cris/arch-v10/ptrace.h
@@ -106,10 +106,14 @@ struct switch_stack {
         unsigned long return_ip; /* ip that _resume will return to */
 };
 
+#ifdef __KERNEL__
+
 /* bit 8 is user-mode flag */
 #define user_mode(regs) (((regs)->dccr & 0x100) != 0)
 #define instruction_pointer(regs) ((regs)->irp)
 #define profile_pc(regs) instruction_pointer(regs)
 extern void show_regs(struct pt_regs *);
 
+#endif  /*  __KERNEL__  */
+
 #endif
diff --git a/include/asm-cris/arch-v32/Kbuild b/include/asm-cris/arch-v32/Kbuild
index a0ec545e242e..35f2fc4f993e 100644
--- a/include/asm-cris/arch-v32/Kbuild
+++ b/include/asm-cris/arch-v32/Kbuild
@@ -1,3 +1,2 @@
-header-y += ptrace.h
 header-y += user.h
 header-y += cryptocop.h
diff --git a/include/asm-cris/arch-v32/ptrace.h b/include/asm-cris/arch-v32/ptrace.h
index 516cc7062d94..41f4e8662bc2 100644
--- a/include/asm-cris/arch-v32/ptrace.h
+++ b/include/asm-cris/arch-v32/ptrace.h
@@ -106,9 +106,13 @@ struct switch_stack {
         unsigned long return_ip; /* ip that _resume will return to */
 };
 
+#ifdef __KERNEL__
+
 #define user_mode(regs) (((regs)->ccs & (1 << (U_CCS_BITNR + CCS_SHIFT))) != 0)
 #define instruction_pointer(regs) ((regs)->erp)
 extern void show_regs(struct pt_regs *);
 #define profile_pc(regs) instruction_pointer(regs)
 
+#endif  /*  __KERNEL__  */
+
 #endif
diff --git a/include/asm-cris/ptrace.h b/include/asm-cris/ptrace.h
index 1ec69a7ea836..d910925e3174 100644
--- a/include/asm-cris/ptrace.h
+++ b/include/asm-cris/ptrace.h
@@ -4,11 +4,13 @@
 #include <asm/arch/ptrace.h>
 
 #ifdef __KERNEL__
+
 /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
 #define PTRACE_GETREGS            12
 #define PTRACE_SETREGS            13
-#endif
 
 #define profile_pc(regs) instruction_pointer(regs)
 
+#endif /* __KERNEL__ */
+
 #endif /* _CRIS_PTRACE_H */
diff --git a/include/asm-cris/thread_info.h b/include/asm-cris/thread_info.h
index 784668ab0fa2..7efe1000f99d 100644
--- a/include/asm-cris/thread_info.h
+++ b/include/asm-cris/thread_info.h
@@ -11,6 +11,8 @@
 
 #ifdef __KERNEL__
 
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+
 #ifndef __ASSEMBLY__
 #include <asm/types.h>
 #include <asm/processor.h>
diff --git a/include/asm-frv/Kbuild b/include/asm-frv/Kbuild
index bc3f12c5b7e0..0f8956def738 100644
--- a/include/asm-frv/Kbuild
+++ b/include/asm-frv/Kbuild
@@ -3,4 +3,3 @@ include include/asm-generic/Kbuild.asm
 header-y += registers.h
 
 unifdef-y += termios.h
-unifdef-y += ptrace.h
diff --git a/include/asm-frv/thread_info.h b/include/asm-frv/thread_info.h
index 348b8f1df17e..b7ac6bf2844c 100644
--- a/include/asm-frv/thread_info.h
+++ b/include/asm-frv/thread_info.h
@@ -82,6 +82,8 @@ register struct thread_info *__current_thread_info asm("gr15");
 
 #define current_thread_info() ({ __current_thread_info; })
 
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+
 /* thread information allocation */
 #ifdef CONFIG_DEBUG_STACK_USAGE
 #define alloc_thread_info(tsk)                                  \
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index 2632328d8646..a3f738cffdb6 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -34,9 +34,14 @@ struct bug_entry {
 #ifndef __WARN
 #ifndef __ASSEMBLY__
 extern void warn_on_slowpath(const char *file, const int line);
+extern void warn_slowpath(const char *file, const int line,
+                const char *fmt, ...) __attribute__((format(printf, 3, 4)));
 #define WANT_WARN_ON_SLOWPATH
 #endif
 #define __WARN() warn_on_slowpath(__FILE__, __LINE__)
+#define __WARN_printf(arg...) warn_slowpath(__FILE__, __LINE__, arg)
+#else
+#define __WARN_printf(arg...) __WARN()
 #endif
 
 #ifndef WARN_ON
@@ -48,6 +53,15 @@ extern void warn_on_slowpath(const char *file, const int line);
 })
 #endif
 
+#ifndef WARN
+#define WARN(condition, format...) ({                                           \
+        int __ret_warn_on = !!(condition);                              \
+        if (unlikely(__ret_warn_on))                                    \
+                __WARN_printf(format);                                  \
+        unlikely(__ret_warn_on);                                        \
+})
+#endif
+
 #else /* !CONFIG_BUG */
 #ifndef HAVE_ARCH_BUG
 #define BUG()
@@ -63,6 +77,14 @@ extern void warn_on_slowpath(const char *file, const int line);
         unlikely(__ret_warn_on);                                        \
 })
 #endif
+
+#ifndef WARN
+#define WARN(condition, format...) ({                                   \
+        int __ret_warn_on = !!(condition);                              \
+        unlikely(__ret_warn_on);                                        \
+})
+#endif
+
 #endif
 
 #define WARN_ON_ONCE(condition) ({                              \
@@ -75,6 +97,9 @@ extern void warn_on_slowpath(const char *file, const int line);
         unlikely(__ret_warn_once);                              \
 })
 
+#define WARN_ON_RATELIMIT(condition, state)                     \
+                WARN_ON((condition) && __ratelimit(state))
+
 #ifdef CONFIG_SMP
 # define WARN_ON_SMP(x)                 WARN_ON(x)
 #else
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index 6be061d09da9..a3034d20ebd5 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -3,7 +3,7 @@
 
 #include <linux/types.h>
 
-#ifdef CONFIG_HAVE_GPIO_LIB
+#ifdef CONFIG_GPIOLIB
 
 #include <linux/compiler.h>
 
@@ -32,6 +32,8 @@ struct module;
 /**
  * struct gpio_chip - abstract a GPIO controller
  * @label: for diagnostics
+ * @dev: optional device providing the GPIOs
+ * @owner: helps prevent removal of modules exporting active GPIOs
  * @direction_input: configures signal "offset" as input, or returns error
  * @get: returns value for signal "offset"; for output signals this
  *      returns either the value actually sensed, or zero
@@ -59,6 +61,7 @@ struct module;
  */
 struct gpio_chip {
         char                    *label;
+        struct device           *dev;
         struct module           *owner;
 
         int                     (*direction_input)(struct gpio_chip *chip,
@@ -74,6 +77,7 @@ struct gpio_chip {
         int                     base;
         u16                     ngpio;
         unsigned                can_sleep:1;
+        unsigned                exported:1;
 };
 
 extern const char *gpiochip_is_requested(struct gpio_chip *chip,
@@ -108,7 +112,18 @@ extern void __gpio_set_value(unsigned gpio, int value);
 extern int __gpio_cansleep(unsigned gpio);
 
 
-#else
+#ifdef CONFIG_GPIO_SYSFS
+
+/*
+ * A sysfs interface can be exported by individual drivers if they want,
+ * but more typically is configured entirely from userspace.
+ */
+extern int gpio_export(unsigned gpio, bool direction_may_change);
+extern void gpio_unexport(unsigned gpio);
+
+#endif  /* CONFIG_GPIO_SYSFS */
+
+#else   /* !CONFIG_HAVE_GPIO_LIB */
 
 static inline int gpio_is_valid(int number)
 {
@@ -137,6 +152,20 @@ static inline void gpio_set_value_cansleep(unsigned gpio, int value)
         gpio_set_value(gpio, value);
 }
 
-#endif
+#endif /* !CONFIG_HAVE_GPIO_LIB */
+
+#ifndef CONFIG_GPIO_SYSFS
+
+/* sysfs support is only available with gpiolib, where it's optional */
+
+static inline int gpio_export(unsigned gpio, bool direction_may_change)
+{
+        return -ENOSYS;
+}
+
+static inline void gpio_unexport(unsigned gpio)
+{
+}
+#endif  /* CONFIG_GPIO_SYSFS */
 
 #endif /* _ASM_GENERIC_GPIO_H */
diff --git a/include/asm-generic/int-ll64.h b/include/asm-generic/int-ll64.h
index 260948905e4e..f9bc9ac29b36 100644
--- a/include/asm-generic/int-ll64.h
+++ b/include/asm-generic/int-ll64.h
@@ -26,7 +26,7 @@ typedef unsigned int __u32;
 #ifdef __GNUC__
 __extension__ typedef __signed__ long long __s64;
 __extension__ typedef unsigned long long __u64;
-#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+#else
 typedef __signed__ long long __s64;
 typedef unsigned long long __u64;
 #endif
diff --git a/include/asm-h8300/elf.h b/include/asm-h8300/elf.h
index 26bfc7e641da..a8b57d1f4128 100644
--- a/include/asm-h8300/elf.h
+++ b/include/asm-h8300/elf.h
@@ -26,10 +26,10 @@ typedef unsigned long elf_fpregset_t;
 #define ELF_DATA        ELFDATA2MSB
 #define ELF_ARCH        EM_H8_300
 #if defined(__H8300H__)
-#define ELF_FLAGS       0x810000
+#define ELF_CORE_EFLAGS 0x810000
 #endif
 #if defined(__H8300S__)
-#define ELF_FLAGS       0x820000
+#define ELF_CORE_EFLAGS 0x820000
 #endif
 
 #define ELF_PLAT_INIT(_r)       _r->er1 = 0
diff --git a/include/asm-h8300/thread_info.h b/include/asm-h8300/thread_info.h
index 27bb95e2944c..aafd4d322ec3 100644
--- a/include/asm-h8300/thread_info.h
+++ b/include/asm-h8300/thread_info.h
@@ -49,6 +49,7 @@ struct thread_info {
 /*
  * Size of kernel stack for each process. This must be a power of 2...
  */
+#define THREAD_SIZE_ORDER       1
 #define THREAD_SIZE             8192    /* 2 pages */
 
 
@@ -65,10 +66,6 @@ static inline struct thread_info *current_thread_info(void)
         return ti;
 }
 
-/* thread information allocation */
-#define alloc_thread_info(tsk) ((struct thread_info *) \
-                                __get_free_pages(GFP_KERNEL, 1))
-#define free_thread_info(ti)    free_pages((unsigned long) (ti), 1)
 #endif /* __ASSEMBLY__ */
 
 /*
diff --git a/include/asm-ia64/thread_info.h b/include/asm-ia64/thread_info.h
index 2422ac61658a..7c60fcdd2efd 100644
--- a/include/asm-ia64/thread_info.h
+++ b/include/asm-ia64/thread_info.h
@@ -54,6 +54,8 @@ struct thread_info {
         },                                      \
 }
 
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+
 #ifndef ASM_OFFSETS_C
 /* how to get the thread information struct from C */
 #define current_thread_info()   ((struct thread_info *) ((char *) current + IA64_TASK_SIZE))
diff --git a/include/asm-m32r/thread_info.h b/include/asm-m32r/thread_info.h
index 1effcd0f5e63..8589d462df27 100644
--- a/include/asm-m32r/thread_info.h
+++ b/include/asm-m32r/thread_info.h
@@ -94,6 +94,8 @@ static inline struct thread_info *current_thread_info(void)
         return ti;
 }
 
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+
 /* thread information allocation */
 #ifdef CONFIG_DEBUG_STACK_USAGE
 #define alloc_thread_info(tsk)                                  \
diff --git a/include/asm-m68k/thread_info.h b/include/asm-m68k/thread_info.h
index d635a3752488..abc002798a2b 100644
--- a/include/asm-m68k/thread_info.h
+++ b/include/asm-m68k/thread_info.h
@@ -25,13 +25,7 @@ struct thread_info {
 }
 
 /* THREAD_SIZE should be 8k, so handle differently for 4k and 8k machines */
-#if PAGE_SHIFT == 13 /* 8k machines */
-#define alloc_thread_info(tsk)   ((struct thread_info *)__get_free_pages(GFP_KERNEL,0))
-#define free_thread_info(ti)  free_pages((unsigned long)(ti),0)
-#else /* otherwise assume 4k pages */
-#define alloc_thread_info(tsk)   ((struct thread_info *)__get_free_pages(GFP_KERNEL,1))
-#define free_thread_info(ti)  free_pages((unsigned long)(ti),1)
-#endif /* PAGE_SHIFT == 13 */
+#define THREAD_SIZE_ORDER (13 - PAGE_SHIFT)
 
 #define init_thread_info        (init_task.thread.info)
 #define init_stack              (init_thread_union.stack)
diff --git a/include/asm-m68knommu/ptrace.h b/include/asm-m68knommu/ptrace.h
index 47258e86e8c4..8c9194b98548 100644
--- a/include/asm-m68knommu/ptrace.h
+++ b/include/asm-m68knommu/ptrace.h
@@ -68,10 +68,8 @@ struct switch_stack {
 /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
 #define PTRACE_GETREGS            12
 #define PTRACE_SETREGS            13
-#ifdef CONFIG_FPU
 #define PTRACE_GETFPREGS          14
 #define PTRACE_SETFPREGS          15
-#endif
 
 #ifdef __KERNEL__
 
diff --git a/include/asm-m68knommu/thread_info.h b/include/asm-m68knommu/thread_info.h
index 95996d978bed..0c9bc095f3f0 100644
--- a/include/asm-m68knommu/thread_info.h
+++ b/include/asm-m68knommu/thread_info.h
@@ -71,10 +71,6 @@ static inline struct thread_info *current_thread_info(void)
         return ti;
 }
 
-/* thread information allocation */
-#define alloc_thread_info(tsk) ((struct thread_info *) \
-                                __get_free_pages(GFP_KERNEL, THREAD_SIZE_ORDER))
-#define free_thread_info(ti)    free_pages((unsigned long) (ti), THREAD_SIZE_ORDER)
 #endif /* __ASSEMBLY__ */
 
 #define PREEMPT_ACTIVE  0x4000000
diff --git a/include/asm-mips/mach-generic/gpio.h b/include/asm-mips/mach-generic/gpio.h
index e6b376bd9d06..b4e70208da64 100644
--- a/include/asm-mips/mach-generic/gpio.h
+++ b/include/asm-mips/mach-generic/gpio.h
@@ -1,7 +1,7 @@
 #ifndef __ASM_MACH_GENERIC_GPIO_H
 #define __ASM_MACH_GENERIC_GPIO_H
 
-#ifdef CONFIG_HAVE_GPIO_LIB
+#ifdef CONFIG_GPIOLIB
 #define gpio_get_value  __gpio_get_value
 #define gpio_set_value  __gpio_set_value
 #define gpio_cansleep   __gpio_cansleep
diff --git a/include/asm-mips/thread_info.h b/include/asm-mips/thread_info.h
index b2772df1a1bd..bb3060699df2 100644
--- a/include/asm-mips/thread_info.h
+++ b/include/asm-mips/thread_info.h
@@ -82,6 +82,8 @@ register struct thread_info *__current_thread_info __asm__("$28");
 #define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)
 #define THREAD_MASK (THREAD_SIZE - 1UL)
 
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+
 #ifdef CONFIG_DEBUG_STACK_USAGE
 #define alloc_thread_info(tsk)                                  \
 ({                                                              \
diff --git a/include/asm-mn10300/ptrace.h b/include/asm-mn10300/ptrace.h
index b3684689fcce..7b06cc623d8b 100644
--- a/include/asm-mn10300/ptrace.h
+++ b/include/asm-mn10300/ptrace.h
@@ -88,12 +88,16 @@ extern struct pt_regs *__frame; /* current frame pointer */
 /* options set using PTRACE_SETOPTIONS */
 #define PTRACE_O_TRACESYSGOOD     0x00000001
 
-#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
+#if defined(__KERNEL__)
+
+#if !defined(__ASSEMBLY__)
 #define user_mode(regs)                 (((regs)->epsw & EPSW_nSL) == EPSW_nSL)
 #define instruction_pointer(regs)       ((regs)->pc)
 extern void show_regs(struct pt_regs *);
-#endif
+#endif  /*  !__ASSEMBLY  */
 
 #define profile_pc(regs) ((regs)->pc)
 
+#endif  /*  __KERNEL__  */
+
 #endif /* _ASM_PTRACE_H */
diff --git a/include/asm-mn10300/thread_info.h b/include/asm-mn10300/thread_info.h
index e397e7192785..78a3881f3c12 100644
--- a/include/asm-mn10300/thread_info.h
+++ b/include/asm-mn10300/thread_info.h
@@ -112,6 +112,8 @@ static inline unsigned long current_stack_pointer(void)
         return sp;
 }
 
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+
 /* thread information allocation */
 #ifdef CONFIG_DEBUG_STACK_USAGE
 #define alloc_thread_info(tsk) kzalloc(THREAD_SIZE, GFP_KERNEL)
diff --git a/include/asm-parisc/ptrace.h b/include/asm-parisc/ptrace.h
index 93f990e418f1..3e94c5d85ff5 100644
--- a/include/asm-parisc/ptrace.h
+++ b/include/asm-parisc/ptrace.h
@@ -33,7 +33,6 @@ struct pt_regs {
         unsigned long ipsw;     /* CR22 */
 };
 
-#define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS))
 /*
  * The numbers chosen here are somewhat arbitrary but absolutely MUST
  * not overlap with any of the number assigned in <linux/ptrace.h>.
@@ -43,8 +42,11 @@ struct pt_regs {
  * since we have taken branch traps too)
  */
 #define PTRACE_SINGLEBLOCK      12      /* resume execution until next branch */
+
 #ifdef __KERNEL__
 
+#define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS))
+
 /* XXX should we use iaoq[1] or iaoq[0] ? */
 #define user_mode(regs)                 (((regs)->iaoq[0] & 3) ? 1 : 0)
 #define user_space(regs)                (((regs)->iasq[1] != 0) ? 1 : 0)
diff --git a/include/asm-parisc/thread_info.h b/include/asm-parisc/thread_info.h
index 2d9c7500867b..9f812741c355 100644
--- a/include/asm-parisc/thread_info.h
+++ b/include/asm-parisc/thread_info.h
@@ -34,15 +34,11 @@ struct thread_info {
 
 /* thread information allocation */
 
-#define THREAD_ORDER            2
+#define THREAD_SIZE_ORDER            2
 /* Be sure to hunt all references to this down when you change the size of
  * the kernel stack */
-#define THREAD_SIZE             (PAGE_SIZE << THREAD_ORDER)
-#define THREAD_SHIFT            (PAGE_SHIFT + THREAD_ORDER)
-
-#define alloc_thread_info(tsk) ((struct thread_info *) \
-                        __get_free_pages(GFP_KERNEL, THREAD_ORDER))
-#define free_thread_info(ti)    free_pages((unsigned long) (ti), THREAD_ORDER)
+#define THREAD_SIZE             (PAGE_SIZE << THREAD_SIZE_ORDER)
+#define THREAD_SHIFT            (PAGE_SHIFT + THREAD_SIZE_ORDER)
 
 /* how to get the thread information struct from C */
 #define current_thread_info()   ((struct thread_info *)mfctl(30))
diff --git a/include/asm-powerpc/Kbuild b/include/asm-powerpc/Kbuild
index 04ce8f8a2ee7..5ab7d7fe198c 100644
--- a/include/asm-powerpc/Kbuild
+++ b/include/asm-powerpc/Kbuild
@@ -29,7 +29,6 @@ unifdef-y += elf.h
 unifdef-y += nvram.h
 unifdef-y += param.h
 unifdef-y += posix_types.h
-unifdef-y += ptrace.h
 unifdef-y += seccomp.h
 unifdef-y += signal.h
 unifdef-y += spu_info.h
diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h
index 2a3e9075a5a0..ef8a248dfd55 100644
--- a/include/asm-powerpc/cputable.h
+++ b/include/asm-powerpc/cputable.h
@@ -127,6 +127,8 @@ extern struct cpu_spec *identify_cpu(unsigned long offset, unsigned int pvr);
 extern void do_feature_fixups(unsigned long value, void *fixup_start,
                               void *fixup_end);
 
+extern const char *powerpc_base_platform;
+
 #endif /* __ASSEMBLY__ */
 
 /* CPU kernel features */
diff --git a/include/asm-powerpc/elf.h b/include/asm-powerpc/elf.h
index 89664675b469..80d1f399ee51 100644
--- a/include/asm-powerpc/elf.h
+++ b/include/asm-powerpc/elf.h
@@ -217,6 +217,14 @@ typedef elf_vrregset_t elf_fpxregset_t;
 
 #define ELF_PLATFORM    (cur_cpu_spec->platform)
 
+/* While ELF_PLATFORM indicates the ISA supported by the platform, it
+ * may not accurately reflect the underlying behavior of the hardware
+ * (as in the case of running in Power5+ compatibility mode on a
+ * Power6 machine).  ELF_BASE_PLATFORM allows ld.so to load libraries
+ * that are tuned for the real hardware.
+ */
+#define ELF_BASE_PLATFORM (powerpc_base_platform)
+
 #ifdef __powerpc64__
 # define ELF_PLAT_INIT(_r, load_addr)   do {    \
         _r->gpr[2] = load_addr;                 \
diff --git a/include/asm-powerpc/firmware.h b/include/asm-powerpc/firmware.h
index ef328995ba9d..3a179827528d 100644
--- a/include/asm-powerpc/firmware.h
+++ b/include/asm-powerpc/firmware.h
@@ -46,6 +46,7 @@
 #define FW_FEATURE_PS3_LV1      ASM_CONST(0x0000000000800000)
 #define FW_FEATURE_BEAT         ASM_CONST(0x0000000001000000)
 #define FW_FEATURE_BULK_REMOVE  ASM_CONST(0x0000000002000000)
+#define FW_FEATURE_CMO          ASM_CONST(0x0000000004000000)
 
 #ifndef __ASSEMBLY__
 
@@ -58,7 +59,7 @@ enum {
                 FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ |
                 FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
                 FW_FEATURE_BULK | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE |
-                FW_FEATURE_SPLPAR | FW_FEATURE_LPAR,
+                FW_FEATURE_SPLPAR | FW_FEATURE_LPAR | FW_FEATURE_CMO,
         FW_FEATURE_PSERIES_ALWAYS = 0,
         FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR,
         FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR,
diff --git a/include/asm-powerpc/gpio.h b/include/asm-powerpc/gpio.h
index 77ad3a890f30..ea04632399d8 100644
--- a/include/asm-powerpc/gpio.h
+++ b/include/asm-powerpc/gpio.h
@@ -17,7 +17,7 @@
 #include <linux/errno.h>
 #include <asm-generic/gpio.h>
 
-#ifdef CONFIG_HAVE_GPIO_LIB
+#ifdef CONFIG_GPIOLIB
 
 /*
  * We don't (yet) implement inlined/rapid versions for on-chip gpios.
@@ -51,6 +51,6 @@ static inline int irq_to_gpio(unsigned int irq)
         return -EINVAL;
 }
 
-#endif /* CONFIG_HAVE_GPIO_LIB */
+#endif /* CONFIG_GPIOLIB */
 
 #endif /* __ASM_POWERPC_GPIO_H */
diff --git a/include/asm-powerpc/hvcall.h b/include/asm-powerpc/hvcall.h
index bf6cd7cb996c..fbe2932fa9e9 100644
--- a/include/asm-powerpc/hvcall.h
+++ b/include/asm-powerpc/hvcall.h
@@ -92,6 +92,11 @@
 #define H_EXACT                 (1UL<<(63-24))  /* Use exact PTE or return H_PTEG_FULL */
 #define H_R_XLATE               (1UL<<(63-25))  /* include a valid logical page num in the pte if the valid bit is set */
 #define H_READ_4                (1UL<<(63-26))  /* Return 4 PTEs */
+#define H_PAGE_STATE_CHANGE     (1UL<<(63-28))
+#define H_PAGE_UNUSED           ((1UL<<(63-29)) | (1UL<<(63-30)))
+#define H_PAGE_SET_UNUSED       (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
+#define H_PAGE_SET_LOANED       (H_PAGE_SET_UNUSED | (1UL<<(63-31)))
+#define H_PAGE_SET_ACTIVE       H_PAGE_STATE_CHANGE
 #define H_AVPN                  (1UL<<(63-32))  /* An avpn is provided as a sanity test */
 #define H_ANDCOND               (1UL<<(63-33))
 #define H_ICACHE_INVALIDATE     (1UL<<(63-40))  /* icbi, etc.  (ignored for IO pages) */
@@ -210,7 +215,9 @@
 #define H_JOIN                  0x298
 #define H_VASI_STATE            0x2A4
 #define H_ENABLE_CRQ            0x2B0
-#define MAX_HCALL_OPCODE        H_ENABLE_CRQ
+#define H_SET_MPP               0x2D0
+#define H_GET_MPP               0x2D4
+#define MAX_HCALL_OPCODE        H_GET_MPP
 
 #ifndef __ASSEMBLY__
 
@@ -270,6 +277,20 @@ struct hcall_stats {
 };
 #define HCALL_STAT_ARRAY_SIZE   ((MAX_HCALL_OPCODE >> 2) + 1)
 
+struct hvcall_mpp_data {
+        unsigned long entitled_mem;
+        unsigned long mapped_mem;
+        unsigned short group_num;
+        unsigned short pool_num;
+        unsigned char mem_weight;
+        unsigned char unallocated_mem_weight;
+        unsigned long unallocated_entitlement;  /* value in bytes */
+        unsigned long pool_size;
+        signed long loan_request;
+        unsigned long backing_mem;
+};
+
+int h_get_mpp(struct hvcall_mpp_data *);
 #endif /* __ASSEMBLY__ */
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_HVCALL_H */
diff --git a/include/asm-powerpc/lppaca.h b/include/asm-powerpc/lppaca.h
index 567ed92cd91f..2fe268b10333 100644
--- a/include/asm-powerpc/lppaca.h
+++ b/include/asm-powerpc/lppaca.h
@@ -125,7 +125,10 @@ struct lppaca {
         // NOTE: This value will ALWAYS be zero for dedicated processors and
         // will NEVER be zero for shared processors (ie, initialized to a 1).
         volatile u32 yield_count;       // PLIC increments each dispatchx00-x03
-        u8      reserved6[124];         // Reserved                     x04-x7F
+        u32 reserved6;
+        volatile u64 cmo_faults;        // CMO page fault count         x08-x0F
+        volatile u64 cmo_fault_time;    // CMO page fault time          x10-x17
+        u8      reserved7[104];         // Reserved                     x18-x7F
 
 //=============================================================================
 // CACHE_LINE_4-5 0x0180 - 0x027F Contains PMC interrupt data
diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h
index 1233d735fd28..893aafd87fde 100644
--- a/include/asm-powerpc/machdep.h
+++ b/include/asm-powerpc/machdep.h
@@ -76,7 +76,7 @@ struct machdep_calls {
          * destroyed as well */
         void            (*hpte_clear_all)(void);
 
-        void            (*tce_build)(struct iommu_table * tbl,
+        int             (*tce_build)(struct iommu_table *tbl,
                                      long index,
                                      long npages,
                                      unsigned long uaddr,
diff --git a/include/asm-powerpc/mpc52xx_psc.h b/include/asm-powerpc/mpc52xx_psc.h
index 710c5d36efaa..8917ed630565 100644
--- a/include/asm-powerpc/mpc52xx_psc.h
+++ b/include/asm-powerpc/mpc52xx_psc.h
@@ -60,10 +60,12 @@
 #define MPC52xx_PSC_RXTX_FIFO_ALARM     0x0002
 #define MPC52xx_PSC_RXTX_FIFO_EMPTY     0x0001
 
-/* PSC interrupt mask bits */
+/* PSC interrupt status/mask bits */
 #define MPC52xx_PSC_IMR_TXRDY           0x0100
 #define MPC52xx_PSC_IMR_RXRDY           0x0200
 #define MPC52xx_PSC_IMR_DB              0x0400
+#define MPC52xx_PSC_IMR_TXEMP           0x0800
+#define MPC52xx_PSC_IMR_ORERR           0x1000
 #define MPC52xx_PSC_IMR_IPC             0x8000
 
 /* PSC input port change bit */
@@ -92,6 +94,34 @@
 
 #define MPC52xx_PSC_RFNUM_MASK  0x01ff
 
+#define MPC52xx_PSC_SICR_DTS1                   (1 << 29)
+#define MPC52xx_PSC_SICR_SHDR                   (1 << 28)
+#define MPC52xx_PSC_SICR_SIM_MASK               (0xf << 24)
+#define MPC52xx_PSC_SICR_SIM_UART               (0x0 << 24)
+#define MPC52xx_PSC_SICR_SIM_UART_DCD           (0x8 << 24)
+#define MPC52xx_PSC_SICR_SIM_CODEC_8            (0x1 << 24)
+#define MPC52xx_PSC_SICR_SIM_CODEC_16           (0x2 << 24)
+#define MPC52xx_PSC_SICR_SIM_AC97               (0x3 << 24)
+#define MPC52xx_PSC_SICR_SIM_SIR                (0x8 << 24)
+#define MPC52xx_PSC_SICR_SIM_SIR_DCD            (0xc << 24)
+#define MPC52xx_PSC_SICR_SIM_MIR                (0x5 << 24)
+#define MPC52xx_PSC_SICR_SIM_FIR                (0x6 << 24)
+#define MPC52xx_PSC_SICR_SIM_CODEC_24           (0x7 << 24)
+#define MPC52xx_PSC_SICR_SIM_CODEC_32           (0xf << 24)
+#define MPC52xx_PSC_SICR_GENCLK                 (1 << 23)
+#define MPC52xx_PSC_SICR_I2S                    (1 << 22)
+#define MPC52xx_PSC_SICR_CLKPOL                 (1 << 21)
+#define MPC52xx_PSC_SICR_SYNCPOL                (1 << 20)
+#define MPC52xx_PSC_SICR_CELLSLAVE              (1 << 19)
+#define MPC52xx_PSC_SICR_CELL2XCLK              (1 << 18)
+#define MPC52xx_PSC_SICR_ESAI                   (1 << 17)
+#define MPC52xx_PSC_SICR_ENAC97                 (1 << 16)
+#define MPC52xx_PSC_SICR_SPI                    (1 << 15)
+#define MPC52xx_PSC_SICR_MSTR                   (1 << 14)
+#define MPC52xx_PSC_SICR_CPOL                   (1 << 13)
+#define MPC52xx_PSC_SICR_CPHA                   (1 << 12)
+#define MPC52xx_PSC_SICR_USEEOF                 (1 << 11)
+#define MPC52xx_PSC_SICR_DISABLEEOF             (1 << 10)
 
 /* Structure of the hardware registers */
 struct mpc52xx_psc {
@@ -132,8 +162,12 @@ struct mpc52xx_psc {
         u8              reserved5[3];
         u8              ctlr;           /* PSC + 0x1c */
         u8              reserved6[3];
-        u16             ccr;            /* PSC + 0x20 */
-        u8              reserved7[14];
+        /* BitClkDiv field of CCR is byte swapped in
+         * the hardware for mpc5200/b compatibility */
+        u32             ccr;            /* PSC + 0x20 */
+        u32             ac97_slots;     /* PSC + 0x24 */
+        u32             ac97_cmd;       /* PSC + 0x28 */
+        u32             ac97_data;      /* PSC + 0x2c */
         u8              ivr;            /* PSC + 0x30 */
         u8              reserved8[3];
         u8              ip;             /* PSC + 0x34 */
diff --git a/include/asm-powerpc/pgtable.h b/include/asm-powerpc/pgtable.h
index d18ffe7bc7c4..dbb8ca172e44 100644
--- a/include/asm-powerpc/pgtable.h
+++ b/include/asm-powerpc/pgtable.h
@@ -38,6 +38,19 @@ extern void paging_init(void);
                 remap_pfn_range(vma, vaddr, pfn, size, prot)
 
 #include <asm-generic/pgtable.h>
+
+
+/*
+ * This gets called at the end of handling a page fault, when
+ * the kernel has put a new PTE into the page table for the process.
+ * We use it to ensure coherency between the i-cache and d-cache
+ * for the page which has just been mapped in.
+ * On machines which use an MMU hash table, we use this to put a
+ * corresponding HPTE into the hash table ahead of time, instead of
+ * waiting for the inevitable extra hash-table miss exception.
+ */
+extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t);
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* __KERNEL__ */
diff --git a/include/asm-powerpc/syscalls.h b/include/asm-powerpc/syscalls.h
index 2b8a458f990a..eb8eb400c664 100644
--- a/include/asm-powerpc/syscalls.h
+++ b/include/asm-powerpc/syscalls.h
@@ -31,6 +31,7 @@ asmlinkage int sys_vfork(unsigned long p1, unsigned long p2,
                 unsigned long p3, unsigned long p4, unsigned long p5,
                 unsigned long p6, struct pt_regs *regs);
 asmlinkage long sys_pipe(int __user *fildes);
+asmlinkage long sys_pipe2(int __user *fildes, int flags);
 asmlinkage long sys_rt_sigaction(int sig,
                 const struct sigaction __user *act,
                 struct sigaction __user *oact, size_t sigsetsize);
diff --git a/include/asm-powerpc/systbl.h b/include/asm-powerpc/systbl.h
index ae7085c65692..e084272ed1c2 100644
--- a/include/asm-powerpc/systbl.h
+++ b/include/asm-powerpc/systbl.h
@@ -316,3 +316,9 @@ COMPAT_SYS(fallocate)
 SYSCALL(subpage_prot)
 COMPAT_SYS_SPU(timerfd_settime)
 COMPAT_SYS_SPU(timerfd_gettime)
+COMPAT_SYS_SPU(signalfd4)
+SYSCALL_SPU(eventfd2)
+SYSCALL_SPU(epoll_create1)
+SYSCALL_SPU(dup3)
+SYSCALL_SPU(pipe2)
+SYSCALL(inotify_init1)
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index e6e25e2364eb..d6648c143322 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -110,6 +110,8 @@ static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; }
 #endif
 
 extern int set_dabr(unsigned long dabr);
+extern void do_dabr(struct pt_regs *regs, unsigned long address,
+                    unsigned long error_code);
 extern void print_backtrace(unsigned long *);
 extern void show_regs(struct pt_regs * regs);
 extern void flush_instruction_cache(void);
diff --git a/include/asm-powerpc/thread_info.h b/include/asm-powerpc/thread_info.h
index b705c2a7651a..a9db562df69a 100644
--- a/include/asm-powerpc/thread_info.h
+++ b/include/asm-powerpc/thread_info.h
@@ -66,20 +66,12 @@ struct thread_info {
 
 #if THREAD_SHIFT >= PAGE_SHIFT
 
-#define THREAD_ORDER    (THREAD_SHIFT - PAGE_SHIFT)
-
-#ifdef CONFIG_DEBUG_STACK_USAGE
-#define alloc_thread_info(tsk)  \
-        ((struct thread_info *)__get_free_pages(GFP_KERNEL | \
-                __GFP_ZERO, THREAD_ORDER))
-#else
-#define alloc_thread_info(tsk)  \
-        ((struct thread_info *)__get_free_pages(GFP_KERNEL, THREAD_ORDER))
-#endif
-#define free_thread_info(ti)    free_pages((unsigned long)ti, THREAD_ORDER)
+#define THREAD_SIZE_ORDER       (THREAD_SHIFT - PAGE_SHIFT)
 
 #else /* THREAD_SHIFT < PAGE_SHIFT */
 
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+
 extern struct thread_info *alloc_thread_info(struct task_struct *tsk);
 extern void free_thread_info(struct thread_info *ti);
 
diff --git a/include/asm-powerpc/tlbflush.h b/include/asm-powerpc/tlbflush.h
index 5c9108147644..361cd5c7a32b 100644
--- a/include/asm-powerpc/tlbflush.h
+++ b/include/asm-powerpc/tlbflush.h
@@ -162,16 +162,5 @@ extern void __flush_hash_table_range(struct mm_struct *mm, unsigned long start,
 
 #endif
 
-/*
- * This gets called at the end of handling a page fault, when
- * the kernel has put a new PTE into the page table for the process.
- * We use it to ensure coherency between the i-cache and d-cache
- * for the page which has just been mapped in.
- * On machines which use an MMU hash table, we use this to put a
- * corresponding HPTE into the hash table ahead of time, instead of
- * waiting for the inevitable extra hash-table miss exception.
- */
-extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t);
-
 #endif /*__KERNEL__ */
 #endif /* _ASM_POWERPC_TLBFLUSH_H */
diff --git a/include/asm-powerpc/unistd.h b/include/asm-powerpc/unistd.h
index ce91bb662063..e07d0c76ed77 100644
--- a/include/asm-powerpc/unistd.h
+++ b/include/asm-powerpc/unistd.h
@@ -335,10 +335,16 @@
 #define __NR_subpage_prot       310
 #define __NR_timerfd_settime    311
 #define __NR_timerfd_gettime    312
+#define __NR_signalfd4          313
+#define __NR_eventfd2           314
+#define __NR_epoll_create1      315
+#define __NR_dup3               316
+#define __NR_pipe2              317
+#define __NR_inotify_init1      318
 
 #ifdef __KERNEL__
 
-#define __NR_syscalls           313
+#define __NR_syscalls           319
 
 #define __NR__exit __NR_exit
 #define NR_syscalls     __NR_syscalls
diff --git a/include/asm-powerpc/vio.h b/include/asm-powerpc/vio.h
index 56512a968dab..0a290a195946 100644
--- a/include/asm-powerpc/vio.h
+++ b/include/asm-powerpc/vio.h
@@ -39,16 +39,32 @@
 #define VIO_IRQ_DISABLE         0UL
 #define VIO_IRQ_ENABLE          1UL
 
+/*
+ * VIO CMO minimum entitlement for all devices and spare entitlement
+ */
+#define VIO_CMO_MIN_ENT 1562624
+
 struct iommu_table;
 
-/*
- * The vio_dev structure is used to describe virtual I/O devices.
+/**
+ * vio_dev - This structure is used to describe virtual I/O devices.
+ *
+ * @desired: set from return of driver's get_desired_dma() function
+ * @entitled: bytes of IO data that has been reserved for this device.
+ * @allocated: bytes of IO data currently in use by the device.
+ * @allocs_failed: number of DMA failures due to insufficient entitlement.
  */
 struct vio_dev {
         const char *name;
         const char *type;
         uint32_t unit_address;
         unsigned int irq;
+        struct {
+                size_t desired;
+                size_t entitled;
+                size_t allocated;
+                atomic_t allocs_failed;
+        } cmo;
         struct device dev;
 };
 
@@ -56,12 +72,19 @@ struct vio_driver {
         const struct vio_device_id *id_table;
         int (*probe)(struct vio_dev *dev, const struct vio_device_id *id);
         int (*remove)(struct vio_dev *dev);
+        /* A driver must have a get_desired_dma() function to
+         * be loaded in a CMO environment if it uses DMA.
+         */
+        unsigned long (*get_desired_dma)(struct vio_dev *dev);
         struct device_driver driver;
 };
 
 extern int vio_register_driver(struct vio_driver *drv);
 extern void vio_unregister_driver(struct vio_driver *drv);
 
+extern int vio_cmo_entitlement_update(size_t);
+extern void vio_cmo_set_dev_desired(struct vio_dev *viodev, size_t desired);
+
 extern void __devinit vio_unregister_device(struct vio_dev *dev);
 
 struct device_node;
diff --git a/include/asm-s390/kvm_virtio.h b/include/asm-s390/kvm_virtio.h
index 5c871a990c29..146100224def 100644
--- a/include/asm-s390/kvm_virtio.h
+++ b/include/asm-s390/kvm_virtio.h
@@ -50,4 +50,14 @@ struct kvm_vqconfig {
 #define KVM_S390_VIRTIO_RESET           1
 #define KVM_S390_VIRTIO_SET_STATUS      2
 
+#ifdef __KERNEL__
+/* early virtio console setup */
+#ifdef CONFIG_VIRTIO_CONSOLE
+extern void s390_virtio_console_init(void);
+#else
+static inline void s390_virtio_console_init(void)
+{
+}
+#endif /* CONFIG_VIRTIO_CONSOLE */
+#endif /* __KERNEL__ */
 #endif
diff --git a/include/asm-s390/thread_info.h b/include/asm-s390/thread_info.h
index 99bbed99a3b2..91a8f93ad355 100644
--- a/include/asm-s390/thread_info.h
+++ b/include/asm-s390/thread_info.h
@@ -78,10 +78,7 @@ static inline struct thread_info *current_thread_info(void)
         return (struct thread_info *)((*(unsigned long *) __LC_KERNEL_STACK)-THREAD_SIZE);
 }
 
-/* thread information allocation */
-#define alloc_thread_info(tsk) ((struct thread_info *) \
-        __get_free_pages(GFP_KERNEL,THREAD_ORDER))
-#define free_thread_info(ti) free_pages((unsigned long) (ti),THREAD_ORDER)
+#define THREAD_SIZE_ORDER THREAD_ORDER
 
 #endif
 
diff --git a/include/asm-sh/ptrace.h b/include/asm-sh/ptrace.h
index 8d6c92b3e770..7d36dc3bee69 100644
--- a/include/asm-sh/ptrace.h
+++ b/include/asm-sh/ptrace.h
@@ -5,7 +5,7 @@
  * Copyright (C) 1999, 2000  Niibe Yutaka
  *
  */
-#if defined(__SH5__) || defined(CONFIG_SUPERH64)
+#if defined(__SH5__)
 struct pt_regs {
         unsigned long long pc;
         unsigned long long sr;
diff --git a/include/asm-sh/thread_info.h b/include/asm-sh/thread_info.h
index c50e5d35fe84..5131e3907525 100644
--- a/include/asm-sh/thread_info.h
+++ b/include/asm-sh/thread_info.h
@@ -92,6 +92,8 @@ static inline struct thread_info *current_thread_info(void)
         return ti;
 }
 
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+
 /* thread information allocation */
 #ifdef CONFIG_DEBUG_STACK_USAGE
 #define alloc_thread_info(ti)   kzalloc(THREAD_SIZE, GFP_KERNEL)
diff --git a/include/asm-sparc/thread_info_32.h b/include/asm-sparc/thread_info_32.h
index 91b9f5888c85..2cf9db044055 100644
--- a/include/asm-sparc/thread_info_32.h
+++ b/include/asm-sparc/thread_info_32.h
@@ -86,6 +86,8 @@ register struct thread_info *current_thread_info_reg asm("g6");
 #define THREAD_INFO_ORDER  1
 #endif
 
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+
 BTFIXUPDEF_CALL(struct thread_info *, alloc_thread_info, void)
 #define alloc_thread_info(tsk) BTFIXUP_CALL(alloc_thread_info)()
 
diff --git a/include/asm-sparc/thread_info_64.h b/include/asm-sparc/thread_info_64.h
index c6d2e6c7f844..960969d5ad06 100644
--- a/include/asm-sparc/thread_info_64.h
+++ b/include/asm-sparc/thread_info_64.h
@@ -155,6 +155,8 @@ register struct thread_info *current_thread_info_reg asm("g6");
 #define __THREAD_INFO_ORDER     0
 #endif /* PAGE_SHIFT == 13 */
 
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+
 #ifdef CONFIG_DEBUG_STACK_USAGE
 #define alloc_thread_info(tsk)                                  \
 ({                                                              \
diff --git a/include/asm-um/thread_info.h b/include/asm-um/thread_info.h
index 356b83e2c22e..e07e72846c7a 100644
--- a/include/asm-um/thread_info.h
+++ b/include/asm-um/thread_info.h
@@ -53,21 +53,7 @@ static inline struct thread_info *current_thread_info(void)
         return ti;
 }
 
-#ifdef CONFIG_DEBUG_STACK_USAGE
-
-#define alloc_thread_info(tsk) \
-        ((struct thread_info *) __get_free_pages(GFP_KERNEL | __GFP_ZERO, \
-                                                 CONFIG_KERNEL_STACK_ORDER))
-#else
-
-/* thread information allocation */
-#define alloc_thread_info(tsk) \
-        ((struct thread_info *) __get_free_pages(GFP_KERNEL, \
-                                                 CONFIG_KERNEL_STACK_ORDER))
-#endif
-
-#define free_thread_info(ti) \
-        free_pages((unsigned long)(ti),CONFIG_KERNEL_STACK_ORDER)
+#define THREAD_SIZE_ORDER CONFIG_KERNEL_STACK_ORDER
 
 #endif
 
diff --git a/include/asm-x86/Kbuild b/include/asm-x86/Kbuild
index 811e9828ccb3..4a8e80cdcfa5 100644
--- a/include/asm-x86/Kbuild
+++ b/include/asm-x86/Kbuild
@@ -18,7 +18,6 @@ unifdef-y += msr.h
 unifdef-y += mtrr.h
 unifdef-y += posix_types_32.h
 unifdef-y += posix_types_64.h
-unifdef-y += ptrace.h
 unifdef-y += unistd_32.h
 unifdef-y += unistd_64.h
 unifdef-y += vm86.h
diff --git a/include/asm-x86/gpio.h b/include/asm-x86/gpio.h
index ff87fca0caf9..116e9147fe66 100644
--- a/include/asm-x86/gpio.h
+++ b/include/asm-x86/gpio.h
@@ -1,6 +1,62 @@
+/*
+ * Generic GPIO API implementation for x86.
+ *
+ * Derived from the generic GPIO API for powerpc:
+ *
+ * Copyright (c) 2007-2008  MontaVista Software, Inc.
+ *
+ * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
 #ifndef _ASM_I386_GPIO_H
 #define _ASM_I386_GPIO_H
 
+#ifdef CONFIG_X86_RDC321X
 #include <gpio.h>
+#else /* CONFIG_X86_RDC321X */
+
+#include <asm-generic/gpio.h>
+
+#ifdef CONFIG_GPIOLIB
+
+/*
+ * Just call gpiolib.
+ */
+static inline int gpio_get_value(unsigned int gpio)
+{
+        return __gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned int gpio, int value)
+{
+        __gpio_set_value(gpio, value);
+}
+
+static inline int gpio_cansleep(unsigned int gpio)
+{
+        return __gpio_cansleep(gpio);
+}
+
+/*
+ * Not implemented, yet.
+ */
+static inline int gpio_to_irq(unsigned int gpio)
+{
+        return -ENOSYS;
+}
+
+static inline int irq_to_gpio(unsigned int irq)
+{
+        return -EINVAL;
+}
+
+#endif /* CONFIG_GPIOLIB */
+
+#endif /* CONFIG_X86_RDC321X */
 
 #endif /* _ASM_I386_GPIO_H */
diff --git a/include/asm-x86/thread_info.h b/include/asm-x86/thread_info.h
index 3f2de1050988..da0a675adf94 100644
--- a/include/asm-x86/thread_info.h
+++ b/include/asm-x86/thread_info.h
@@ -152,6 +152,8 @@ struct thread_info {
 #define THREAD_FLAGS GFP_KERNEL
 #endif
 
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+
 #define alloc_thread_info(tsk)                                          \
         ((struct thread_info *)__get_free_pages(THREAD_FLAGS, THREAD_ORDER))
 
diff --git a/include/asm-xtensa/ptrace.h b/include/asm-xtensa/ptrace.h
index 422c73e26937..089b0db44816 100644
--- a/include/asm-xtensa/ptrace.h
+++ b/include/asm-xtensa/ptrace.h
@@ -73,10 +73,10 @@
 #define PTRACE_GETXTREGS        18
 #define PTRACE_SETXTREGS        19
 
-#ifndef __ASSEMBLY__
-
 #ifdef __KERNEL__
 
+#ifndef __ASSEMBLY__
+
 /*
  * This struct defines the way the registers are stored on the
  * kernel stack during a system call or other kernel entry.
@@ -122,14 +122,14 @@ extern void show_regs(struct pt_regs *);
 # ifndef CONFIG_SMP
 #  define profile_pc(regs) instruction_pointer(regs)
 # endif
-#endif /* __KERNEL__ */
 
 #else   /* __ASSEMBLY__ */
 
-#ifdef __KERNEL__
 # include <asm/asm-offsets.h>
 #define PT_REGS_OFFSET    (KERNEL_STACK_SIZE - PT_USER_SIZE)
-#endif
 
 #endif  /* !__ASSEMBLY__ */
+
+#endif  /* __KERNEL__ */
+
 #endif  /* _XTENSA_PTRACE_H */
diff --git a/include/asm-xtensa/thread_info.h b/include/asm-xtensa/thread_info.h
index a2c640682ed9..7e4131dd546c 100644
--- a/include/asm-xtensa/thread_info.h
+++ b/include/asm-xtensa/thread_info.h
@@ -111,10 +111,6 @@ static inline struct thread_info *current_thread_info(void)
         return ti;
 }
 
-/* thread information allocation */
-#define alloc_thread_info(tsk) ((struct thread_info *) __get_free_pages(GFP_KERNEL,1))
-#define free_thread_info(ti) free_pages((unsigned long) (ti), 1)
-
 #else /* !__ASSEMBLY__ */
 
 /* how to get the thread information struct from ASM */
@@ -160,6 +156,7 @@ static inline struct thread_info *current_thread_info(void)
 #define TS_USEDFPU              0x0001  /* FPU was used by this task this quantum (SMP) */
 
 #define THREAD_SIZE 8192        //(2*PAGE_SIZE)
+#define THREAD_SIZE_ORDER 1
 
 #endif  /* __KERNEL__ */
 #endif  /* _XTENSA_THREAD_INFO */
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 402c8f55d713..4c4142c5aa6e 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -189,7 +189,6 @@ unifdef-y += connector.h
 unifdef-y += cuda.h
 unifdef-y += cyclades.h
 unifdef-y += dccp.h
-unifdef-y += dirent.h
 unifdef-y += dlm.h
 unifdef-y += dlm_plock.h
 unifdef-y += edd.h
diff --git a/include/linux/acct.h b/include/linux/acct.h
index e8cae54e8d88..882dc7248766 100644
--- a/include/linux/acct.h
+++ b/include/linux/acct.h
@@ -120,17 +120,20 @@ struct acct_v3
 struct vfsmount;
 struct super_block;
 struct pacct_struct;
+struct pid_namespace;
 extern void acct_auto_close_mnt(struct vfsmount *m);
 extern void acct_auto_close(struct super_block *sb);
 extern void acct_init_pacct(struct pacct_struct *pacct);
 extern void acct_collect(long exitcode, int group_dead);
 extern void acct_process(void);
+extern void acct_exit_ns(struct pid_namespace *);
 #else
 #define acct_auto_close_mnt(x)  do { } while (0)
 #define acct_auto_close(x)      do { } while (0)
 #define acct_init_pacct(x)      do { } while (0)
 #define acct_collect(x,y)       do { } while (0)
 #define acct_process()          do { } while (0)
+#define acct_exit_ns(ns)        do { } while (0)
 #endif
 
 /*
diff --git a/include/linux/auxvec.h b/include/linux/auxvec.h
index 0da17d14fd13..d7afa9dd6635 100644
--- a/include/linux/auxvec.h
+++ b/include/linux/auxvec.h
@@ -26,9 +26,13 @@
 
 #define AT_SECURE 23   /* secure mode boolean */
 
+#define AT_BASE_PLATFORM 24     /* string identifying real platform, may
+                                 * differ from AT_PLATFORM. */
+
 #define AT_EXECFN  31   /* filename of program */
+
 #ifdef __KERNEL__
-#define AT_VECTOR_SIZE_BASE 17 /* NEW_AUX_ENT entries in auxiliary table */
+#define AT_VECTOR_SIZE_BASE 18 /* NEW_AUX_ENT entries in auxiliary table */
   /* number of "#define AT_.*" above, minus {AT_NULL, AT_IGNORE, AT_NOTELF} */
 #endif
 
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index 4ddf2922fc8d..652470b687c9 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -103,17 +103,16 @@ extern void *__alloc_bootmem_low_node(pg_data_t *pgdat,
         __alloc_bootmem(x, PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
 #define alloc_bootmem_low_pages(x) \
         __alloc_bootmem_low(x, PAGE_SIZE, 0)
-#endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */
-
-extern int reserve_bootmem_generic(unsigned long addr, unsigned long size,
-                                   int flags);
-
 #define alloc_bootmem_node(pgdat, x) \
         __alloc_bootmem_node(pgdat, x, SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
 #define alloc_bootmem_pages_node(pgdat, x) \
         __alloc_bootmem_node(pgdat, x, PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
 #define alloc_bootmem_low_pages_node(pgdat, x) \
         __alloc_bootmem_low_node(pgdat, x, PAGE_SIZE, 0)
+#endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */
+
+extern int reserve_bootmem_generic(unsigned long addr, unsigned long size,
+                                   int flags);
 
 extern void *alloc_bootmem_section(unsigned long size,
                                    unsigned long section_nr);
diff --git a/include/linux/byteorder/big_endian.h b/include/linux/byteorder/big_endian.h
index 961ed4b48d8e..44f95b92393b 100644
--- a/include/linux/byteorder/big_endian.h
+++ b/include/linux/byteorder/big_endian.h
@@ -94,12 +94,12 @@ static inline __u16 __be16_to_cpup(const __be16 *p)
 #define __le32_to_cpus(x) __swab32s((x))
 #define __cpu_to_le16s(x) __swab16s((x))
 #define __le16_to_cpus(x) __swab16s((x))
-#define __cpu_to_be64s(x) do {} while (0)
-#define __be64_to_cpus(x) do {} while (0)
-#define __cpu_to_be32s(x) do {} while (0)
-#define __be32_to_cpus(x) do {} while (0)
-#define __cpu_to_be16s(x) do {} while (0)
-#define __be16_to_cpus(x) do {} while (0)
+#define __cpu_to_be64s(x) do { (void)(x); } while (0)
+#define __be64_to_cpus(x) do { (void)(x); } while (0)
+#define __cpu_to_be32s(x) do { (void)(x); } while (0)
+#define __be32_to_cpus(x) do { (void)(x); } while (0)
+#define __cpu_to_be16s(x) do { (void)(x); } while (0)
+#define __be16_to_cpus(x) do { (void)(x); } while (0)
 
 #ifdef __KERNEL__
 #include <linux/byteorder/generic.h>
diff --git a/include/linux/byteorder/little_endian.h b/include/linux/byteorder/little_endian.h
index 05dc7c35b3b2..4cc170a31762 100644
--- a/include/linux/byteorder/little_endian.h
+++ b/include/linux/byteorder/little_endian.h
@@ -88,12 +88,12 @@ static inline __u16 __be16_to_cpup(const __be16 *p)
 {
         return __swab16p((__u16 *)p);
 }
-#define __cpu_to_le64s(x) do {} while (0)
-#define __le64_to_cpus(x) do {} while (0)
-#define __cpu_to_le32s(x) do {} while (0)
-#define __le32_to_cpus(x) do {} while (0)
-#define __cpu_to_le16s(x) do {} while (0)
-#define __le16_to_cpus(x) do {} while (0)
+#define __cpu_to_le64s(x) do { (void)(x); } while (0)
+#define __le64_to_cpus(x) do { (void)(x); } while (0)
+#define __cpu_to_le32s(x) do { (void)(x); } while (0)
+#define __le32_to_cpus(x) do { (void)(x); } while (0)
+#define __cpu_to_le16s(x) do { (void)(x); } while (0)
+#define __le16_to_cpus(x) do { (void)(x); } while (0)
 #define __cpu_to_be64s(x) __swab64s((x))
 #define __be64_to_cpus(x) __swab64s((x))
 #define __cpu_to_be32s(x) __swab32s((x))
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index e155aa78d859..c98dd7cb7076 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -21,11 +21,13 @@
 struct cgroupfs_root;
 struct cgroup_subsys;
 struct inode;
+struct cgroup;
 
 extern int cgroup_init_early(void);
 extern int cgroup_init(void);
 extern void cgroup_init_smp(void);
 extern void cgroup_lock(void);
+extern bool cgroup_lock_live_group(struct cgroup *cgrp);
 extern void cgroup_unlock(void);
 extern void cgroup_fork(struct task_struct *p);
 extern void cgroup_fork_callbacks(struct task_struct *p);
@@ -205,50 +207,64 @@ struct cftype {
          * subsystem, followed by a period */
         char name[MAX_CFTYPE_NAME];
         int private;
-        int (*open) (struct inode *inode, struct file *file);
-        ssize_t (*read) (struct cgroup *cgrp, struct cftype *cft,
-                         struct file *file,
-                         char __user *buf, size_t nbytes, loff_t *ppos);
+
+        /*
+         * If non-zero, defines the maximum length of string that can
+         * be passed to write_string; defaults to 64
+         */
+        size_t max_write_len;
+
+        int (*open)(struct inode *inode, struct file *file);
+        ssize_t (*read)(struct cgroup *cgrp, struct cftype *cft,
+                        struct file *file,
+                        char __user *buf, size_t nbytes, loff_t *ppos);
         /*
          * read_u64() is a shortcut for the common case of returning a
          * single integer. Use it in place of read()
          */
-        u64 (*read_u64) (struct cgroup *cgrp, struct cftype *cft);
+        u64 (*read_u64)(struct cgroup *cgrp, struct cftype *cft);
         /*
          * read_s64() is a signed version of read_u64()
          */
-        s64 (*read_s64) (struct cgroup *cgrp, struct cftype *cft);
+        s64 (*read_s64)(struct cgroup *cgrp, struct cftype *cft);
         /*
          * read_map() is used for defining a map of key/value
          * pairs. It should call cb->fill(cb, key, value) for each
          * entry. The key/value pairs (and their ordering) should not
          * change between reboots.
          */
-        int (*read_map) (struct cgroup *cont, struct cftype *cft,
-                         struct cgroup_map_cb *cb);
+        int (*read_map)(struct cgroup *cont, struct cftype *cft,
+                        struct cgroup_map_cb *cb);
         /*
          * read_seq_string() is used for outputting a simple sequence
          * using seqfile.
          */
-        int (*read_seq_string) (struct cgroup *cont, struct cftype *cft,
-                         struct seq_file *m);
+        int (*read_seq_string)(struct cgroup *cont, struct cftype *cft,
+                               struct seq_file *m);
 
-        ssize_t (*write) (struct cgroup *cgrp, struct cftype *cft,
-                          struct file *file,
-                          const char __user *buf, size_t nbytes, loff_t *ppos);
+        ssize_t (*write)(struct cgroup *cgrp, struct cftype *cft,
+                         struct file *file,
+                         const char __user *buf, size_t nbytes, loff_t *ppos);
 
         /*
          * write_u64() is a shortcut for the common case of accepting
          * a single integer (as parsed by simple_strtoull) from
          * userspace. Use in place of write(); return 0 or error.
          */
-        int (*write_u64) (struct cgroup *cgrp, struct cftype *cft, u64 val);
+        int (*write_u64)(struct cgroup *cgrp, struct cftype *cft, u64 val);
         /*
          * write_s64() is a signed version of write_u64()
          */
-        int (*write_s64) (struct cgroup *cgrp, struct cftype *cft, s64 val);
+        int (*write_s64)(struct cgroup *cgrp, struct cftype *cft, s64 val);
 
         /*
+         * write_string() is passed a nul-terminated kernelspace
+         * buffer of maximum length determined by max_write_len.
+         * Returns 0 or -ve error code.
+         */
+        int (*write_string)(struct cgroup *cgrp, struct cftype *cft,
+                            const char *buffer);
+        /*
          * trigger() callback can be used to get some kick from the
          * userspace, when the actual string written is not important
          * at all. The private field can be used to determine the
@@ -256,7 +272,7 @@ struct cftype {
          */
         int (*trigger)(struct cgroup *cgrp, unsigned int event);
 
-        int (*release) (struct inode *inode, struct file *file);
+        int (*release)(struct inode *inode, struct file *file);
 };
 
 struct cgroup_scanner {
@@ -348,7 +364,8 @@ static inline struct cgroup* task_cgroup(struct task_struct *task,
         return task_subsys_state(task, subsys_id)->cgroup;
 }
 
-int cgroup_clone(struct task_struct *tsk, struct cgroup_subsys *ss);
+int cgroup_clone(struct task_struct *tsk, struct cgroup_subsys *ss,
+                                                        char *nodename);
 
 /* A cgroup_iter should be treated as an opaque object */
 struct cgroup_iter {
diff --git a/include/linux/coda.h b/include/linux/coda.h
index b5cf0780c51a..96c87693800b 100644
--- a/include/linux/coda.h
+++ b/include/linux/coda.h
@@ -199,28 +199,6 @@ typedef u_int32_t vuid_t;
 typedef u_int32_t vgid_t;
 #endif /*_VUID_T_ */
 
-#ifdef CONFIG_CODA_FS_OLD_API
-struct CodaFid {
-        u_int32_t opaque[3];
-};
-
-static __inline__ ino_t  coda_f2i(struct CodaFid *fid)
-{
-        if ( ! fid ) 
-                return 0; 
-        if (fid->opaque[1] == 0xfffffffe || fid->opaque[1] == 0xffffffff)
-                return ((fid->opaque[0] << 20) | (fid->opaque[2] & 0xfffff));
-        else
-                return (fid->opaque[2] + (fid->opaque[1]<<10) + (fid->opaque[0]<<20));
-}
-
-struct coda_cred {
-    vuid_t cr_uid, cr_euid, cr_suid, cr_fsuid; /* Real, efftve, set, fs uid*/
-    vgid_t cr_groupid, cr_egid, cr_sgid, cr_fsgid; /* same for groups */
-};
-
-#else /* not defined(CONFIG_CODA_FS_OLD_API) */
-
 struct CodaFid {
         u_int32_t opaque[4];
 };
@@ -228,8 +206,6 @@ struct CodaFid {
 #define coda_f2i(fid)\
         (fid ? (fid->opaque[3] ^ (fid->opaque[2]<<10) ^ (fid->opaque[1]<<20) ^ fid->opaque[0]) : 0)
 
-#endif
-
 #ifndef _VENUS_VATTR_T_
 #define _VENUS_VATTR_T_
 /*
@@ -313,15 +289,7 @@ struct coda_statfs {
 
 #define CIOC_KERNEL_VERSION _IOWR('c', 10, size_t)
 
-#if 0
-#define CODA_KERNEL_VERSION 0 /* don't care about kernel version number */
-#define CODA_KERNEL_VERSION 1 /* The old venus 4.6 compatible interface */
-#endif
-#ifdef CONFIG_CODA_FS_OLD_API
-#define CODA_KERNEL_VERSION 2 /* venus_lookup got an extra parameter */
-#else
 #define CODA_KERNEL_VERSION 3 /* 128-bit file identifiers */
-#endif
 
 /*
  *        Venus <-> Coda  RPC arguments
@@ -329,16 +297,9 @@ struct coda_statfs {
 struct coda_in_hdr {
     u_int32_t opcode;
     u_int32_t unique;       /* Keep multiple outstanding msgs distinct */
-#ifdef CONFIG_CODA_FS_OLD_API
-    u_int16_t pid;          /* Common to all */
-    u_int16_t pgid;         /* Common to all */
-    u_int16_t sid;          /* Common to all */
-    struct coda_cred cred;  /* Common to all */
-#else
     pid_t pid;
     pid_t pgid;
     vuid_t uid;
-#endif
 };
 
 /* Really important that opcode and unique are 1st two fields! */
@@ -613,11 +574,7 @@ struct coda_vget_out {
 /* CODA_PURGEUSER is a venus->kernel call */
 struct coda_purgeuser_out {
     struct coda_out_hdr oh;
-#ifdef CONFIG_CODA_FS_OLD_API
-    struct coda_cred cred;
-#else
     vuid_t uid;
-#endif
 };
 
 /* coda_zapfile: */
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 7464ba3b4333..d7faf8808497 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -69,10 +69,11 @@ static inline void unregister_cpu_notifier(struct notifier_block *nb)
 #endif
 
 int cpu_up(unsigned int cpu);
-
 extern void cpu_hotplug_init(void);
+extern void cpu_maps_update_begin(void);
+extern void cpu_maps_update_done(void);
 
-#else
+#else   /* CONFIG_SMP */
 
 static inline int register_cpu_notifier(struct notifier_block *nb)
 {
@@ -87,10 +88,16 @@ static inline void cpu_hotplug_init(void)
 {
 }
 
+static inline void cpu_maps_update_begin(void)
+{
+}
+
+static inline void cpu_maps_update_done(void)
+{
+}
+
 #endif /* CONFIG_SMP */
 extern struct sysdev_class cpu_sysdev_class;
-extern void cpu_maps_update_begin(void);
-extern void cpu_maps_update_done(void);
 
 #ifdef CONFIG_HOTPLUG_CPU
 /* Stop CPUs going up and down. */
diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h
index 22c7ac5cd80c..6cd39a927e1f 100644
--- a/include/linux/crash_dump.h
+++ b/include/linux/crash_dump.h
@@ -22,5 +22,13 @@ extern struct proc_dir_entry *proc_vmcore;
 
 #define vmcore_elf_check_arch(x) (elf_check_arch(x) || vmcore_elf_check_arch_cross(x))
 
+static inline int is_kdump_kernel(void)
+{
+        return (elfcorehdr_addr != ELFCORE_ADDR_MAX) ? 1 : 0;
+}
+#else /* !CONFIG_CRASH_DUMP */
+static inline int is_kdump_kernel(void) { return 0; }
 #endif /* CONFIG_CRASH_DUMP */
+
+extern unsigned long saved_max_pfn;
 #endif /* LINUX_CRASHDUMP_H */
diff --git a/include/linux/delayacct.h b/include/linux/delayacct.h
index ab94bc083558..f352f06fa063 100644
--- a/include/linux/delayacct.h
+++ b/include/linux/delayacct.h
@@ -39,6 +39,8 @@ extern void __delayacct_blkio_start(void);
 extern void __delayacct_blkio_end(void);
 extern int __delayacct_add_tsk(struct taskstats *, struct task_struct *);
 extern __u64 __delayacct_blkio_ticks(struct task_struct *);
+extern void __delayacct_freepages_start(void);
+extern void __delayacct_freepages_end(void);
 
 static inline int delayacct_is_task_waiting_on_io(struct task_struct *p)
 {
@@ -107,6 +109,18 @@ static inline __u64 delayacct_blkio_ticks(struct task_struct *tsk)
         return 0;
 }
 
+static inline void delayacct_freepages_start(void)
+{
+        if (current->delays)
+                __delayacct_freepages_start();
+}
+
+static inline void delayacct_freepages_end(void)
+{
+        if (current->delays)
+                __delayacct_freepages_end();
+}
+
 #else
 static inline void delayacct_set_flag(int flag)
 {}
@@ -129,6 +143,11 @@ static inline __u64 delayacct_blkio_ticks(struct task_struct *tsk)
 { return 0; }
 static inline int delayacct_is_task_waiting_on_io(struct task_struct *p)
 { return 0; }
+static inline void delayacct_freepages_start(void)
+{}
+static inline void delayacct_freepages_end(void)
+{}
+
 #endif /* CONFIG_TASK_DELAY_ACCT */
 
 #endif
diff --git a/include/linux/dirent.h b/include/linux/dirent.h
index 5d6023b87800..f072fb8d10a3 100644
--- a/include/linux/dirent.h
+++ b/include/linux/dirent.h
@@ -1,23 +1,6 @@
 #ifndef _LINUX_DIRENT_H
 #define _LINUX_DIRENT_H
 
-struct dirent {
-        long            d_ino;
-        __kernel_off_t  d_off;
-        unsigned short  d_reclen;
-        char            d_name[256]; /* We must not include limits.h! */
-};
-
-struct dirent64 {
-        __u64           d_ino;
-        __s64           d_off;
-        unsigned short  d_reclen;
-        unsigned char   d_type;
-        char            d_name[256];
-};
-
-#ifdef __KERNEL__
-
 struct linux_dirent64 {
         u64             d_ino;
         s64             d_off;
@@ -26,7 +9,4 @@ struct linux_dirent64 {
         char            d_name[0];
 };
 
-#endif  /* __KERNEL__ */
-
-
 #endif
diff --git a/include/linux/ext2_fs.h b/include/linux/ext2_fs.h
index 84cec2aa9f1e..2efe7b863cff 100644
--- a/include/linux/ext2_fs.h
+++ b/include/linux/ext2_fs.h
@@ -284,8 +284,8 @@ struct ext2_inode {
 
 #ifdef  __hurd__
 #define i_translator    osd1.hurd1.h_i_translator
-#define i_frag          osd2.hurd2.h_i_frag;
-#define i_fsize         osd2.hurd2.h_i_fsize;
+#define i_frag          osd2.hurd2.h_i_frag
+#define i_fsize         osd2.hurd2.h_i_fsize
 #define i_uid_high      osd2.hurd2.h_i_uid_high
 #define i_gid_high      osd2.hurd2.h_i_gid_high
 #define i_author        osd2.hurd2.h_i_author
diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index 36c540396377..80171ee89a22 100644
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -832,6 +832,7 @@ extern void ext3_discard_reservation (struct inode *);
 extern void ext3_dirty_inode(struct inode *);
 extern int ext3_change_inode_journal_flag(struct inode *, int);
 extern int ext3_get_inode_loc(struct inode *, struct ext3_iloc *);
+extern int ext3_can_truncate(struct inode *inode);
 extern void ext3_truncate (struct inode *);
 extern void ext3_set_inode_flags(struct inode *);
 extern void ext3_get_inode_flags(struct ext3_inode_info *);
diff --git a/include/linux/fd1772.h b/include/linux/fd1772.h
deleted file mode 100644
index 871d6e4c677e..000000000000
--- a/include/linux/fd1772.h
+++ /dev/null
@@ -1,80 +0,0 @@
-#ifndef _LINUX_FD1772REG_H
-#define _LINUX_FD1772REG_H
-
-/*
-** WD1772 stuff - originally from the M68K Linux
- * Modified for Archimedes by Dave Gilbert (gilbertd@cs.man.ac.uk)
- */
-
-/* register codes */
-
-#define FDC1772SELREG_STP   (0x80)   /* command/status register */
-#define FDC1772SELREG_TRA   (0x82)   /* track register */
-#define FDC1772SELREG_SEC   (0x84)   /* sector register */
-#define FDC1772SELREG_DTA   (0x86)   /* data register */
-
-/* register names for FDC1772_READ/WRITE macros */
-
-#define FDC1772REG_CMD         0
-#define FDC1772REG_STATUS      0
-#define FDC1772REG_TRACK       2
-#define FDC1772REG_SECTOR      4
-#define FDC1772REG_DATA                6
-
-/* command opcodes */
-
-#define FDC1772CMD_RESTORE  (0x00)   /*  -                   */
-#define FDC1772CMD_SEEK     (0x10)   /*   |                  */
-#define FDC1772CMD_STEP     (0x20)   /*   |  TYP 1 Commands  */
-#define FDC1772CMD_STIN     (0x40)   /*   |                  */
-#define FDC1772CMD_STOT     (0x60)   /*  -                   */
-#define FDC1772CMD_RDSEC    (0x80)   /*  -   TYP 2 Commands  */
-#define FDC1772CMD_WRSEC    (0xa0)   /*  -          "        */
-#define FDC1772CMD_RDADR    (0xc0)   /*  -                   */
-#define FDC1772CMD_RDTRA    (0xe0)   /*   |  TYP 3 Commands  */
-#define FDC1772CMD_WRTRA    (0xf0)   /*  -                   */
-#define FDC1772CMD_FORCI    (0xd0)   /*  -   TYP 4 Command   */
-
-/* command modifier bits */
-
-#define FDC1772CMDADD_SR6   (0x00)   /* step rate settings */
-#define FDC1772CMDADD_SR12  (0x01)
-#define FDC1772CMDADD_SR2   (0x02)
-#define FDC1772CMDADD_SR3   (0x03)
-#define FDC1772CMDADD_V     (0x04)   /* verify */
-#define FDC1772CMDADD_H     (0x08)   /* wait for spin-up */
-#define FDC1772CMDADD_U     (0x10)   /* update track register */
-#define FDC1772CMDADD_M     (0x10)   /* multiple sector access */
-#define FDC1772CMDADD_E     (0x04)   /* head settling flag */
-#define FDC1772CMDADD_P     (0x02)   /* precompensation */
-#define FDC1772CMDADD_A0    (0x01)   /* DAM flag */
-
-/* status register bits */
-
-#define        FDC1772STAT_MOTORON     (0x80)   /* motor on */
-#define        FDC1772STAT_WPROT       (0x40)   /* write protected (FDC1772CMD_WR*) */
-#define        FDC1772STAT_SPINUP      (0x20)   /* motor speed stable (Type I) */
-#define        FDC1772STAT_DELDAM      (0x20)   /* sector has deleted DAM (Type II+III) */
-#define        FDC1772STAT_RECNF       (0x10)   /* record not found */
-#define        FDC1772STAT_CRC         (0x08)   /* CRC error */
-#define        FDC1772STAT_TR00        (0x04)   /* Track 00 flag (Type I) */
-#define        FDC1772STAT_LOST        (0x04)   /* Lost Data (Type II+III) */
-#define        FDC1772STAT_IDX         (0x02)   /* Index status (Type I) */
-#define        FDC1772STAT_DRQ         (0x02)   /* DRQ status (Type II+III) */
-#define        FDC1772STAT_BUSY        (0x01)   /* FDC1772 is busy */
-
-
-/* PSG Port A Bit Nr 0 .. Side Sel .. 0 -> Side 1  1 -> Side 2 */
-#define DSKSIDE     (0x01)
-        
-#define DSKDRVNONE  (0x06)
-#define DSKDRV0     (0x02)
-#define DSKDRV1     (0x04)
-
-/* step rates */
-#define        FDC1772STEP_6   0x00
-#define        FDC1772STEP_12  0x01
-#define        FDC1772STEP_2   0x02
-#define        FDC1772STEP_3   0x03
-
-#endif
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 4b86f806014c..49d8eb7a71be 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -886,6 +886,12 @@ static inline int file_check_writeable(struct file *filp)
 #define FL_SLEEP        128     /* A blocking lock */
 
 /*
+ * Special return value from posix_lock_file() and vfs_lock_file() for
+ * asynchronous locking.
+ */
+#define FILE_LOCK_DEFERRED 1
+
+/*
  * The POSIX file lock owner is determined by
  * the "struct files_struct" in the thread group
  * (or NULL for no owner - BSD locks).
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index d48282197696..265635dc9908 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -104,11 +104,14 @@ struct fuse_file_lock {
 
 /**
  * INIT request/reply flags
+ *
+ * FUSE_EXPORT_SUPPORT: filesystem handles lookups of "." and ".."
  */
 #define FUSE_ASYNC_READ         (1 << 0)
 #define FUSE_POSIX_LOCKS        (1 << 1)
 #define FUSE_FILE_OPS           (1 << 2)
 #define FUSE_ATOMIC_O_TRUNC     (1 << 3)
+#define FUSE_EXPORT_SUPPORT     (1 << 4)
 #define FUSE_BIG_WRITES         (1 << 5)
 
 /**
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index e8787417f65a..118216f1bd3c 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -541,7 +541,7 @@ extern dev_t blk_lookup_devt(const char *name, int part);
 extern char *disk_name (struct gendisk *hd, int part, char *buf);
 
 extern int rescan_partitions(struct gendisk *disk, struct block_device *bdev);
-extern void add_partition(struct gendisk *, int, sector_t, sector_t, int);
+extern int __must_check add_partition(struct gendisk *, int, sector_t, sector_t, int);
 extern void delete_partition(struct gendisk *, int);
 extern void printk_all_partitions(void);
 
diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index 98be6c5762b9..730a20b83576 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -79,6 +79,19 @@ static inline void gpio_set_value_cansleep(unsigned gpio, int value)
         WARN_ON(1);
 }
 
+static inline int gpio_export(unsigned gpio, bool direction_may_change)
+{
+        /* GPIO can never have been requested or set as {in,out}put */
+        WARN_ON(1);
+        return -EINVAL;
+}
+
+static inline void gpio_unexport(unsigned gpio)
+{
+        /* GPIO can never have been exported */
+        WARN_ON(1);
+}
+
 static inline int gpio_to_irq(unsigned gpio)
 {
         /* GPIO can never have been requested or set as input */
diff --git a/include/linux/i2c/max732x.h b/include/linux/i2c/max732x.h
new file mode 100644
index 000000000000..e10336631c62
--- /dev/null
+++ b/include/linux/i2c/max732x.h
@@ -0,0 +1,19 @@
+#ifndef __LINUX_I2C_MAX732X_H
+#define __LINUX_I2C_MAX732X_H
+
+/* platform data for the MAX732x 8/16-bit I/O expander driver */
+
+struct max732x_platform_data {
+        /* number of the first GPIO */
+        unsigned        gpio_base;
+
+        void            *context;       /* param to setup/teardown */
+
+        int             (*setup)(struct i2c_client *client,
+                                unsigned gpio, unsigned ngpio,
+                                void *context);
+        int             (*teardown)(struct i2c_client *client,
+                                unsigned gpio, unsigned ngpio,
+                                void *context);
+};
+#endif /* __LINUX_I2C_MAX732X_H */
diff --git a/include/linux/idr.h b/include/linux/idr.h
index 9a2d762124de..fa035f96f2a3 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -15,6 +15,7 @@
 #include <linux/types.h>
 #include <linux/bitops.h>
 #include <linux/init.h>
+#include <linux/rcupdate.h>
 
 #if BITS_PER_LONG == 32
 # define IDR_BITS 5
@@ -51,6 +52,7 @@ struct idr_layer {
         unsigned long            bitmap; /* A zero bit means "space here" */
         struct idr_layer        *ary[1<<IDR_BITS];
         int                      count;  /* When zero, we can release it */
+        struct rcu_head          rcu_head;
 };
 
 struct idr {
@@ -71,6 +73,28 @@ struct idr {
 }
 #define DEFINE_IDR(name)        struct idr name = IDR_INIT(name)
 
+/* Actions to be taken after a call to _idr_sub_alloc */
+#define IDR_NEED_TO_GROW -2
+#define IDR_NOMORE_SPACE -3
+
+#define _idr_rc_to_errno(rc) ((rc) == -1 ? -EAGAIN : -ENOSPC)
+
+/**
+ * idr synchronization (stolen from radix-tree.h)
+ *
+ * idr_find() is able to be called locklessly, using RCU. The caller must
+ * ensure calls to this function are made within rcu_read_lock() regions.
+ * Other readers (lock-free or otherwise) and modifications may be running
+ * concurrently.
+ *
+ * It is still required that the caller manage the synchronization and
+ * lifetimes of the items. So if RCU lock-free lookups are used, typically
+ * this would mean that the items have their own locks, or are amenable to
+ * lock-free access; and that the items are freed by RCU (or only freed after
+ * having been deleted from the idr tree *and* a synchronize_rcu() grace
+ * period).
+ */
+
 /*
  * This is what we export.
  */
diff --git a/include/linux/init.h b/include/linux/init.h
index 21d658cdfa27..42ae95411a93 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -275,13 +275,7 @@ void __init parse_early_param(void);
 
 #define security_initcall(fn)           module_init(fn)
 
-/* These macros create a dummy inline: gcc 2.9x does not count alias
- as usage, hence the `unused function' warning when __init functions
- are declared static. We use the dummy __*_module_inline functions
- both to kill the warning and check the type of the init/cleanup
- function. */
-
-/* Each module must use one module_init(), or one no_module_init */
+/* Each module must use one module_init(). */
 #define module_init(initfn)                                     \
         static inline initcall_t __inittest(void)               \
         { return initfn; }                                      \
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 93c45acf249a..021d8e720c79 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -122,7 +122,7 @@ extern struct group_info init_groups;
         .state          = 0,                                            \
         .stack          = &init_thread_info,                            \
         .usage          = ATOMIC_INIT(2),                               \
-        .flags          = 0,                                            \
+        .flags          = PF_KTHREAD,                                   \
         .lock_depth     = -1,                                           \
         .prio           = MAX_PRIO-20,                                  \
         .static_prio    = MAX_PRIO-20,                                  \
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
index ea6c18a8b0d4..ea330f9e7100 100644
--- a/include/linux/ipc_namespace.h
+++ b/include/linux/ipc_namespace.h
@@ -36,6 +36,7 @@ struct ipc_namespace {
         int             msg_ctlmni;
         atomic_t        msg_bytes;
         atomic_t        msg_hdrs;
+        int             auto_msgmni;
 
         size_t          shm_ctlmax;
         size_t          shm_ctlall;
@@ -53,7 +54,7 @@ extern atomic_t nr_ipc_ns;
 
 extern int register_ipcns_notifier(struct ipc_namespace *);
 extern int cond_register_ipcns_notifier(struct ipc_namespace *);
-extern int unregister_ipcns_notifier(struct ipc_namespace *);
+extern void unregister_ipcns_notifier(struct ipc_namespace *);
 extern int ipcns_notify(unsigned long);
 
 #else /* CONFIG_SYSVIPC */
diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h
index 2b1c2e58566e..74bde13224c9 100644
--- a/include/linux/irqflags.h
+++ b/include/linux/irqflags.h
@@ -11,6 +11,8 @@
 #ifndef _LINUX_TRACE_IRQFLAGS_H
 #define _LINUX_TRACE_IRQFLAGS_H
 
+#include <linux/typecheck.h>
+
 #ifdef CONFIG_TRACE_IRQFLAGS
   extern void trace_softirqs_on(unsigned long ip);
   extern void trace_softirqs_off(unsigned long ip);
@@ -58,18 +60,24 @@
         do { trace_hardirqs_on(); raw_local_irq_enable(); } while (0)
 #define local_irq_disable() \
         do { raw_local_irq_disable(); trace_hardirqs_off(); } while (0)
-#define local_irq_save(flags) \
-        do { raw_local_irq_save(flags); trace_hardirqs_off(); } while (0)
+#define local_irq_save(flags)                           \
+        do {                                            \
+                typecheck(unsigned long, flags);        \
+                raw_local_irq_save(flags);              \
+                trace_hardirqs_off();                   \
+        } while (0)
 
-#define local_irq_restore(flags)                                \
-        do {                                                    \
-                if (raw_irqs_disabled_flags(flags)) {           \
-                        raw_local_irq_restore(flags);           \
-                        trace_hardirqs_off();                   \
-                } else {                                        \
-                        trace_hardirqs_on();                    \
-                        raw_local_irq_restore(flags);           \
-                }                                               \
+
+#define local_irq_restore(flags)                        \
+        do {                                            \
+                typecheck(unsigned long, flags);        \
+                if (raw_irqs_disabled_flags(flags)) {   \
+                        raw_local_irq_restore(flags);   \
+                        trace_hardirqs_off();           \
+                } else {                                \
+                        trace_hardirqs_on();            \
+                        raw_local_irq_restore(flags);   \
+                }                                       \
         } while (0)
 #else /* !CONFIG_TRACE_IRQFLAGS_SUPPORT */
 /*
@@ -78,8 +86,16 @@
  */
 # define raw_local_irq_disable()        local_irq_disable()
 # define raw_local_irq_enable()         local_irq_enable()
-# define raw_local_irq_save(flags)      local_irq_save(flags)
-# define raw_local_irq_restore(flags)   local_irq_restore(flags)
+# define raw_local_irq_save(flags)                      \
+        do {                                            \
+                typecheck(unsigned long, flags);        \
+                local_irq_save(flags);                  \
+        } while (0)
+# define raw_local_irq_restore(flags)                   \
+        do {                                            \
+                typecheck(unsigned long, flags);        \
+                local_irq_restore(flags);               \
+        } while (0)
 #endif /* CONFIG_TRACE_IRQFLAGS_SUPPORT */
 
 #ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT
@@ -89,7 +105,11 @@
                 raw_safe_halt();                                \
         } while (0)
 
-#define local_save_flags(flags)         raw_local_save_flags(flags)
+#define local_save_flags(flags)                         \
+        do {                                            \
+                typecheck(unsigned long, flags);        \
+                raw_local_save_flags(flags);            \
+        } while (0)
 
 #define irqs_disabled()                                         \
 ({                                                              \
@@ -99,7 +119,11 @@
         raw_irqs_disabled_flags(_flags);                        \
 })
 
-#define irqs_disabled_flags(flags)      raw_irqs_disabled_flags(flags)
+#define irqs_disabled_flags(flags)              \
+({                                              \
+        typecheck(unsigned long, flags);        \
+        raw_irqs_disabled_flags(flags);         \
+})
 #endif          /* CONFIG_X86 */
 
 #endif
diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h
index 00c1801099fa..57aefa160a92 100644
--- a/include/linux/kallsyms.h
+++ b/include/linux/kallsyms.h
@@ -6,6 +6,7 @@
 #define _LINUX_KALLSYMS_H
 
 #include <linux/errno.h>
+#include <linux/kernel.h>
 #include <linux/stddef.h>
 
 #define KSYM_NAME_LEN 128
@@ -105,18 +106,10 @@ static inline void print_fn_descriptor_symbol(const char *fmt, void *addr)
         print_symbol(fmt, (unsigned long)addr);
 }
 
-#ifndef CONFIG_64BIT
-#define print_ip_sym(ip)                \
-do {                                    \
-        printk("[<%08lx>]", ip);        \
-        print_symbol(" %s\n", ip);      \
-} while(0)
-#else
-#define print_ip_sym(ip)                \
-do {                                    \
-        printk("[<%016lx>]", ip);       \
-        print_symbol(" %s\n", ip);      \
-} while(0)
-#endif
+static inline void print_ip_sym(unsigned long ip)
+{
+        printk("[<%p>]", (void *) ip);
+        print_symbol(" %s\n", ip);
+}
 
 #endif /*_LINUX_KALLSYMS_H*/
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index f9cd7a513f9c..fdbbf72ca2eb 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -14,6 +14,8 @@
 #include <linux/compiler.h>
 #include <linux/bitops.h>
 #include <linux/log2.h>
+#include <linux/typecheck.h>
+#include <linux/ratelimit.h>
 #include <asm/byteorder.h>
 #include <asm/bug.h>
 
@@ -188,11 +190,8 @@ asmlinkage int vprintk(const char *fmt, va_list args)
 asmlinkage int printk(const char * fmt, ...)
         __attribute__ ((format (printf, 1, 2))) __cold;
 
-extern int printk_ratelimit_jiffies;
-extern int printk_ratelimit_burst;
+extern struct ratelimit_state printk_ratelimit_state;
 extern int printk_ratelimit(void);
-extern int __ratelimit(int ratelimit_jiffies, int ratelimit_burst);
-extern int __printk_ratelimit(int ratelimit_jiffies, int ratelimit_burst);
 extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
                                    unsigned int interval_msec);
 #else
@@ -203,8 +202,6 @@ static inline int printk(const char *s, ...)
         __attribute__ ((format (printf, 1, 2)));
 static inline int __cold printk(const char *s, ...) { return 0; }
 static inline int printk_ratelimit(void) { return 0; }
-static inline int __printk_ratelimit(int ratelimit_jiffies, \
-                                     int ratelimit_burst) { return 0; }
 static inline bool printk_timed_ratelimit(unsigned long *caller_jiffies, \
                                           unsigned int interval_msec)   \
                 { return false; }
@@ -441,26 +438,6 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
         const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
         (type *)( (char *)__mptr - offsetof(type,member) );})
 
-/*
- * Check at compile time that something is of a particular type.
- * Always evaluates to 1 so you may use it easily in comparisons.
- */
-#define typecheck(type,x) \
-({      type __dummy; \
-        typeof(x) __dummy2; \
-        (void)(&__dummy == &__dummy2); \
-        1; \
-})
-
-/*
- * Check at compile time that 'function' is a certain type, or is a pointer
- * to that type (needs to use typedef for the function type.)
- */
-#define typecheck_fn(type,function) \
-({      typeof(type) __tmp = function; \
-        (void)__tmp; \
-})
-
 struct sysinfo;
 extern int do_sysinfo(struct sysinfo *info);
 
diff --git a/include/linux/kmod.h b/include/linux/kmod.h
index 0509c4ce4857..a1a91577813c 100644
--- a/include/linux/kmod.h
+++ b/include/linux/kmod.h
@@ -19,6 +19,7 @@
  *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include <linux/gfp.h>
 #include <linux/stddef.h>
 #include <linux/errno.h>
 #include <linux/compiler.h>
@@ -41,8 +42,8 @@ struct file;
 struct subprocess_info;
 
 /* Allocate a subprocess_info structure */
-struct subprocess_info *call_usermodehelper_setup(char *path,
-                                                  char **argv, char **envp);
+struct subprocess_info *call_usermodehelper_setup(char *path, char **argv,
+                                                  char **envp, gfp_t gfp_mask);
 
 /* Set various pieces of state into the subprocess_info structure */
 void call_usermodehelper_setkeys(struct subprocess_info *info,
@@ -69,8 +70,9 @@ static inline int
 call_usermodehelper(char *path, char **argv, char **envp, enum umh_wait wait)
 {
         struct subprocess_info *info;
+        gfp_t gfp_mask = (wait == UMH_NO_WAIT) ? GFP_ATOMIC : GFP_KERNEL;
 
-        info = call_usermodehelper_setup(path, argv, envp);
+        info = call_usermodehelper_setup(path, argv, envp, gfp_mask);
         if (info == NULL)
                 return -ENOMEM;
         return call_usermodehelper_exec(info, wait);
@@ -81,8 +83,9 @@ call_usermodehelper_keys(char *path, char **argv, char **envp,
                          struct key *session_keyring, enum umh_wait wait)
 {
         struct subprocess_info *info;
+        gfp_t gfp_mask = (wait == UMH_NO_WAIT) ? GFP_ATOMIC : GFP_KERNEL;
 
-        info = call_usermodehelper_setup(path, argv, envp);
+        info = call_usermodehelper_setup(path, argv, envp, gfp_mask);
         if (info == NULL)
                 return -ENOMEM;
 
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 04a3556bdea6..0be7795655fa 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -157,11 +157,10 @@ struct kretprobe {
         int nmissed;
         size_t data_size;
         struct hlist_head free_instances;
-        struct hlist_head used_instances;
+        spinlock_t lock;
 };
 
 struct kretprobe_instance {
-        struct hlist_node uflist; /* either on free list or used list */
         struct hlist_node hlist;
         struct kretprobe *rp;
         kprobe_opcode_t *ret_addr;
@@ -201,7 +200,6 @@ static inline int init_test_probes(void)
 }
 #endif /* CONFIG_KPROBES_SANITY_TEST */
 
-extern spinlock_t kretprobe_lock;
 extern struct mutex kprobe_mutex;
 extern int arch_prepare_kprobe(struct kprobe *p);
 extern void arch_arm_kprobe(struct kprobe *p);
@@ -214,6 +212,9 @@ extern void kprobes_inc_nmissed_count(struct kprobe *p);
 
 /* Get the kprobe at this addr (if any) - called with preemption disabled */
 struct kprobe *get_kprobe(void *addr);
+void kretprobe_hash_lock(struct task_struct *tsk,
+                         struct hlist_head **head, unsigned long *flags);
+void kretprobe_hash_unlock(struct task_struct *tsk, unsigned long *flags);
 struct hlist_head * kretprobe_inst_table_head(struct task_struct *tsk);
 
 /* kprobe_running() will just return the current_kprobe on this CPU */
diff --git a/include/linux/kthread.h b/include/linux/kthread.h
index 00dd957e245b..aabc8a13ba71 100644
--- a/include/linux/kthread.h
+++ b/include/linux/kthread.h
@@ -6,7 +6,8 @@
 
 struct task_struct *kthread_create(int (*threadfn)(void *data),
                                    void *data,
-                                   const char namefmt[], ...);
+                                   const char namefmt[], ...)
+        __attribute__((format(printf, 3, 4)));
 
 /**
  * kthread_run - create and wake a thread.
diff --git a/include/linux/list.h b/include/linux/list.h
index 139ec41d9c2e..453916bc0412 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -61,14 +61,10 @@ extern void __list_add(struct list_head *new,
  * Insert a new entry after the specified head.
  * This is good for implementing stacks.
  */
-#ifndef CONFIG_DEBUG_LIST
 static inline void list_add(struct list_head *new, struct list_head *head)
 {
         __list_add(new, head, head->next);
 }
-#else
-extern void list_add(struct list_head *new, struct list_head *head);
-#endif
 
 
 /**
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index e6608776bc96..fdf3967e1397 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -35,7 +35,10 @@ extern int mem_cgroup_charge(struct page *page, struct mm_struct *mm,
 extern int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm,
                                         gfp_t gfp_mask);
 extern void mem_cgroup_uncharge_page(struct page *page);
+extern void mem_cgroup_uncharge_cache_page(struct page *page);
 extern void mem_cgroup_move_lists(struct page *page, bool active);
+extern int mem_cgroup_shrink_usage(struct mm_struct *mm, gfp_t gfp_mask);
+
 extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
                                         struct list_head *dst,
                                         unsigned long *scanned, int order,
@@ -50,9 +53,9 @@ extern struct mem_cgroup *mem_cgroup_from_task(struct task_struct *p);
 #define mm_match_cgroup(mm, cgroup)     \
         ((cgroup) == mem_cgroup_from_task((mm)->owner))
 
-extern int mem_cgroup_prepare_migration(struct page *page);
+extern int
+mem_cgroup_prepare_migration(struct page *page, struct page *newpage);
 extern void mem_cgroup_end_migration(struct page *page);
-extern void mem_cgroup_page_migration(struct page *page, struct page *newpage);
 
 /*
  * For memory reclaim.
@@ -97,6 +100,15 @@ static inline void mem_cgroup_uncharge_page(struct page *page)
 {
 }
 
+static inline void mem_cgroup_uncharge_cache_page(struct page *page)
+{
+}
+
+static inline int mem_cgroup_shrink_usage(struct mm_struct *mm, gfp_t gfp_mask)
+{
+        return 0;
+}
+
 static inline void mem_cgroup_move_lists(struct page *page, bool active)
 {
 }
@@ -112,7 +124,8 @@ static inline int task_in_mem_cgroup(struct task_struct *task,
         return 1;
 }
 
-static inline int mem_cgroup_prepare_migration(struct page *page)
+static inline int
+mem_cgroup_prepare_migration(struct page *page, struct page *newpage)
 {
         return 0;
 }
@@ -121,11 +134,6 @@ static inline void mem_cgroup_end_migration(struct page *page)
 {
 }
 
-static inline void
-mem_cgroup_page_migration(struct page *page, struct page *newpage)
-{
-}
-
 static inline int mem_cgroup_calc_mapped_ratio(struct mem_cgroup *mem)
 {
         return 0;
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 02a27ae78539..746f975b58ef 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -159,6 +159,17 @@ struct vm_area_struct {
 #endif
 };
 
+struct core_thread {
+        struct task_struct *task;
+        struct core_thread *next;
+};
+
+struct core_state {
+        atomic_t nr_threads;
+        struct core_thread dumper;
+        struct completion startup;
+};
+
 struct mm_struct {
         struct vm_area_struct * mmap;           /* list of VMAs */
         struct rb_root mm_rb;
@@ -175,7 +186,6 @@ struct mm_struct {
         atomic_t mm_users;                      /* How many users with user space? */
         atomic_t mm_count;                      /* How many references to "struct mm_struct" (users count as 1) */
         int map_count;                          /* number of VMAs */
-        int core_waiters;
         struct rw_semaphore mmap_sem;
         spinlock_t page_table_lock;             /* Protects page tables and some counters */
 
@@ -219,8 +229,7 @@ struct mm_struct {
 
         unsigned long flags; /* Must use atomic bitops to access the bits */
 
-        /* coredumping support */
-        struct completion *core_startup_done, core_done;
+        struct core_state *core_state; /* coredumping support */
 
         /* aio bits */
         rwlock_t                ioctx_list_lock;        /* aio lock */
diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h
index 81cd36b735b0..ba63858056c7 100644
--- a/include/linux/msdos_fs.h
+++ b/include/linux/msdos_fs.h
@@ -2,11 +2,11 @@
 #define _LINUX_MSDOS_FS_H
 
 #include <linux/magic.h>
+#include <asm/byteorder.h>
 
 /*
  * The MS-DOS filesystem constants/structures
  */
-#include <asm/byteorder.h>
 
 #define SECTOR_SIZE     512             /* sector size (bytes) */
 #define SECTOR_BITS     9               /* log2(SECTOR_SIZE) */
@@ -89,24 +89,22 @@
 #define IS_FSINFO(x)    (le32_to_cpu((x)->signature1) == FAT_FSINFO_SIG1 \
                          && le32_to_cpu((x)->signature2) == FAT_FSINFO_SIG2)
 
+struct __fat_dirent {
+        long            d_ino;
+        __kernel_off_t  d_off;
+        unsigned short  d_reclen;
+        char            d_name[256]; /* We must not include limits.h! */
+};
+
 /*
  * ioctl commands
  */
-#define VFAT_IOCTL_READDIR_BOTH         _IOR('r', 1, struct dirent [2])
-#define VFAT_IOCTL_READDIR_SHORT        _IOR('r', 2, struct dirent [2])
+#define VFAT_IOCTL_READDIR_BOTH         _IOR('r', 1, struct __fat_dirent[2])
+#define VFAT_IOCTL_READDIR_SHORT        _IOR('r', 2, struct __fat_dirent[2])
 /* <linux/videotext.h> has used 0x72 ('r') in collision, so skip a few */
 #define FAT_IOCTL_GET_ATTRIBUTES        _IOR('r', 0x10, __u32)
 #define FAT_IOCTL_SET_ATTRIBUTES        _IOW('r', 0x11, __u32)
 
-/*
- * vfat shortname flags
- */
-#define VFAT_SFN_DISPLAY_LOWER  0x0001 /* convert to lowercase for display */
-#define VFAT_SFN_DISPLAY_WIN95  0x0002 /* emulate win95 rule for display */
-#define VFAT_SFN_DISPLAY_WINNT  0x0004 /* emulate winnt rule for display */
-#define VFAT_SFN_CREATE_WIN95   0x0100 /* emulate win95 rule for create */
-#define VFAT_SFN_CREATE_WINNT   0x0200 /* emulate winnt rule for create */
-
 struct fat_boot_sector {
         __u8    ignored[3];     /* Boot strap short or near jump */
         __u8    system_id[8];   /* Name - can be used to special case
@@ -168,14 +166,6 @@ struct msdos_dir_slot {
         __u8    name11_12[4];   /* last 2 characters in name */
 };
 
-struct fat_slot_info {
-        loff_t i_pos;           /* on-disk position of directory entry */
-        loff_t slot_off;        /* offset for slot or de start */
-        int nr_slots;           /* number of slots + 1(de) in filename */
-        struct msdos_dir_entry *de;
-        struct buffer_head *bh;
-};
-
 #ifdef __KERNEL__
 
 #include <linux/buffer_head.h>
@@ -184,6 +174,15 @@ struct fat_slot_info {
 #include <linux/fs.h>
 #include <linux/mutex.h>
 
+/*
+ * vfat shortname flags
+ */
+#define VFAT_SFN_DISPLAY_LOWER  0x0001 /* convert to lowercase for display */
+#define VFAT_SFN_DISPLAY_WIN95  0x0002 /* emulate win95 rule for display */
+#define VFAT_SFN_DISPLAY_WINNT  0x0004 /* emulate winnt rule for display */
+#define VFAT_SFN_CREATE_WIN95   0x0100 /* emulate win95 rule for create */
+#define VFAT_SFN_CREATE_WINNT   0x0200 /* emulate winnt rule for create */
+
 struct fat_mount_options {
         uid_t fs_uid;
         gid_t fs_gid;
@@ -202,10 +201,10 @@ struct fat_mount_options {
                  utf8:1,          /* Use of UTF-8 character set (Default) */
                  unicode_xlate:1, /* create escape sequences for unhandled Unicode */
                  numtail:1,       /* Does first alias have a numeric '~1' type tail? */
-                 atari:1,         /* Use Atari GEMDOS variation of MS-DOS fs */
                  flush:1,         /* write things quickly */
                  nocase:1,        /* Does this need case conversion? 0=need case conversion*/
-                 usefree:1;       /* Use free_clusters for FAT32 */
+                 usefree:1,       /* Use free_clusters for FAT32 */
+                 tz_utc:1;        /* Filesystem timestamps are in UTC */
 };
 
 #define FAT_HASH_BITS   8
@@ -267,6 +266,14 @@ struct msdos_inode_info {
         struct inode vfs_inode;
 };
 
+struct fat_slot_info {
+        loff_t i_pos;           /* on-disk position of directory entry */
+        loff_t slot_off;        /* offset for slot or de start */
+        int nr_slots;           /* number of slots + 1(de) in filename */
+        struct msdos_dir_entry *de;
+        struct buffer_head *bh;
+};
+
 static inline struct msdos_sb_info *MSDOS_SB(struct super_block *sb)
 {
         return sb->s_fs_info;
@@ -428,8 +435,9 @@ extern int fat_flush_inodes(struct super_block *sb, struct inode *i1,
 extern void fat_fs_panic(struct super_block *s, const char *fmt, ...);
 extern void fat_clusters_flush(struct super_block *sb);
 extern int fat_chain_add(struct inode *inode, int new_dclus, int nr_cluster);
-extern int date_dos2unix(unsigned short time, unsigned short date);
-extern void fat_date_unix2dos(int unix_date, __le16 *time, __le16 *date);
+extern int date_dos2unix(unsigned short time, unsigned short date, int tz_utc);
+extern void fat_date_unix2dos(int unix_date, __le16 *time, __le16 *date,
+                              int tz_utc);
 extern int fat_sync_bhs(struct buffer_head **bhs, int nr_bhs);
 
 int fat_cache_init(void);
diff --git a/include/linux/mtd/ubi.h b/include/linux/mtd/ubi.h
index f71201d0f3e7..6316fafe5c2a 100644
--- a/include/linux/mtd/ubi.h
+++ b/include/linux/mtd/ubi.h
@@ -45,13 +45,13 @@ enum {
  * @size: how many physical eraseblocks are reserved for this volume
  * @used_bytes: how many bytes of data this volume contains
  * @used_ebs: how many physical eraseblocks of this volume actually contain any
- * data
+ *            data
  * @vol_type: volume type (%UBI_DYNAMIC_VOLUME or %UBI_STATIC_VOLUME)
  * @corrupted: non-zero if the volume is corrupted (static volumes only)
  * @upd_marker: non-zero if the volume has update marker set
  * @alignment: volume alignment
  * @usable_leb_size: how many bytes are available in logical eraseblocks of
- * this volume
+ *                   this volume
  * @name_len: volume name length
  * @name: volume name
  * @cdev: UBI volume character device major and minor numbers
@@ -152,6 +152,7 @@ int ubi_leb_erase(struct ubi_volume_desc *desc, int lnum);
 int ubi_leb_unmap(struct ubi_volume_desc *desc, int lnum);
 int ubi_leb_map(struct ubi_volume_desc *desc, int lnum, int dtype);
 int ubi_is_mapped(struct ubi_volume_desc *desc, int lnum);
+int ubi_sync(int ubi_num);
 
 /*
  * This function is the same as the 'ubi_leb_read()' function, but it does not
diff --git a/include/linux/net.h b/include/linux/net.h
index 2f999fbb188d..4a9a30f2d68f 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -351,8 +351,7 @@ static const struct proto_ops name##_ops = {			\
 
 #ifdef CONFIG_SYSCTL
 #include <linux/sysctl.h>
-extern int net_msg_cost;
-extern int net_msg_burst;
+extern struct ratelimit_state net_ratelimit_state;
 #endif
 
 #endif /* __KERNEL__ */
diff --git a/include/linux/nfsd/nfsd.h b/include/linux/nfsd/nfsd.h
index a2861d95ecc3..108f47e5fd95 100644
--- a/include/linux/nfsd/nfsd.h
+++ b/include/linux/nfsd/nfsd.h
@@ -12,7 +12,6 @@
 
 #include <linux/types.h>
 #include <linux/unistd.h>
-#include <linux/dirent.h>
 #include <linux/fs.h>
 #include <linux/posix_acl.h>
 #include <linux/mount.h>
diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index bd3d72ddf333..da2698b0fdd1 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -214,6 +214,8 @@ static inline int notifier_to_errno(int ret)
 #define CPU_DEAD                0x0007 /* CPU (unsigned)v dead */
 #define CPU_DYING               0x0008 /* CPU (unsigned)v not running any task,
                                         * not handling interrupts, soon dead */
+#define CPU_POST_DEAD           0x0009 /* CPU (unsigned)v dead, cpu_hotplug
+                                        * lock is dropped */
 
 /* Used for CPU hotplug events occuring while tasks are frozen due to a suspend
  * operation in progress
diff --git a/include/linux/nsproxy.h b/include/linux/nsproxy.h
index 0e66b57631fc..c8a768e59640 100644
--- a/include/linux/nsproxy.h
+++ b/include/linux/nsproxy.h
@@ -82,9 +82,12 @@ static inline void get_nsproxy(struct nsproxy *ns)
 }
 
 #ifdef CONFIG_CGROUP_NS
-int ns_cgroup_clone(struct task_struct *tsk);
+int ns_cgroup_clone(struct task_struct *tsk, struct pid *pid);
 #else
-static inline int ns_cgroup_clone(struct task_struct *tsk) { return 0; }
+static inline int ns_cgroup_clone(struct task_struct *tsk, struct pid *pid)
+{
+        return 0;
+}
 #endif
 
 #endif
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 119ae7b8f028..c3b1761aba26 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2400,6 +2400,9 @@
 #define PCI_DEVICE_ID_INTEL_ICH10_4     0x3a30
 #define PCI_DEVICE_ID_INTEL_ICH10_5     0x3a60
 #define PCI_DEVICE_ID_INTEL_IOAT_SNB    0x402f
+#define PCI_DEVICE_ID_INTEL_5100_16     0x65f0
+#define PCI_DEVICE_ID_INTEL_5100_21     0x65f5
+#define PCI_DEVICE_ID_INTEL_5100_22     0x65f6
 #define PCI_DEVICE_ID_INTEL_5400_ERR    0x4030
 #define PCI_DEVICE_ID_INTEL_5400_FBD0   0x4035
 #define PCI_DEVICE_ID_INTEL_5400_FBD1   0x4036
diff --git a/include/linux/pid.h b/include/linux/pid.h
index c21c7e8124a7..22921ac4cfd9 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -48,7 +48,7 @@ enum pid_type
  */
 
 struct upid {
-        /* Try to keep pid_chain in the same cacheline as nr for find_pid */
+        /* Try to keep pid_chain in the same cacheline as nr for find_vpid */
         int nr;
         struct pid_namespace *ns;
         struct hlist_node pid_chain;
@@ -57,10 +57,10 @@ struct upid {
 struct pid
 {
         atomic_t count;
+        unsigned int level;
         /* lists of tasks that use this pid */
         struct hlist_head tasks[PIDTYPE_MAX];
         struct rcu_head rcu;
-        unsigned int level;
         struct upid numbers[1];
 };
 
@@ -105,14 +105,12 @@ extern struct pid_namespace init_pid_ns;
  * or rcu_read_lock() held.
  *
  * find_pid_ns() finds the pid in the namespace specified
- * find_pid() find the pid by its global id, i.e. in the init namespace
  * find_vpid() finr the pid by its virtual id, i.e. in the current namespace
  *
- * see also find_task_by_pid() set in include/linux/sched.h
+ * see also find_task_by_vpid() set in include/linux/sched.h
  */
 extern struct pid *find_pid_ns(int nr, struct pid_namespace *ns);
 extern struct pid *find_vpid(int nr);
-extern struct pid *find_pid(int nr);
 
 /*
  * Lookup a PID in the hash table, and return with it's count elevated.
diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h
index caff5283d15c..1af82c4e17d4 100644
--- a/include/linux/pid_namespace.h
+++ b/include/linux/pid_namespace.h
@@ -14,6 +14,8 @@ struct pidmap {
 
 #define PIDMAP_ENTRIES         ((PID_MAX_LIMIT + 8*PAGE_SIZE - 1)/PAGE_SIZE/8)
 
+struct bsd_acct_struct;
+
 struct pid_namespace {
         struct kref kref;
         struct pidmap pidmap[PIDMAP_ENTRIES];
@@ -25,6 +27,9 @@ struct pid_namespace {
 #ifdef CONFIG_PROC_FS
         struct vfsmount *proc_mnt;
 #endif
+#ifdef CONFIG_BSD_PROCESS_ACCT
+        struct bsd_acct_struct *bacct;
+#endif
 };
 
 extern struct pid_namespace init_pid_ns;
@@ -85,4 +90,7 @@ static inline struct task_struct *task_child_reaper(struct task_struct *tsk)
         return tsk->nsproxy->pid_ns->child_reaper;
 }
 
+void pidhash_init(void);
+void pidmap_init(void);
+
 #endif /* _LINUX_PID_NS_H */
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 15a9eaf4a802..f560d1705afe 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -79,6 +79,7 @@ struct proc_dir_entry {
         int pde_users;  /* number of callers into module in progress */
         spinlock_t pde_unload_lock; /* proc_fops checks and pde_users bumps */
         struct completion *pde_unload_completion;
+        struct list_head pde_openers;   /* who did ->open, but not ->release */
 };
 
 struct kcore_list {
@@ -138,7 +139,6 @@ extern int proc_readdir(struct file *, void *, filldir_t);
 extern struct dentry *proc_lookup(struct inode *, struct dentry *, struct nameidata *);
 
 extern const struct file_operations proc_kcore_operations;
-extern const struct file_operations proc_kmsg_operations;
 extern const struct file_operations ppc_htab_operations;
 
 extern int pid_ns_prepare_proc(struct pid_namespace *ns);
diff --git a/include/linux/profile.h b/include/linux/profile.h
index 05c1cc736937..7e7087239af5 100644
--- a/include/linux/profile.h
+++ b/include/linux/profile.h
@@ -8,8 +8,6 @@
 
 #include <asm/errno.h>
 
-extern int prof_on __read_mostly;
-
 #define CPU_PROFILING   1
 #define SCHED_PROFILING 2
 #define SLEEP_PROFILING 3
@@ -19,14 +17,31 @@ struct proc_dir_entry;
 struct pt_regs;
 struct notifier_block;
 
+#if defined(CONFIG_PROFILING) && defined(CONFIG_PROC_FS)
+void create_prof_cpu_mask(struct proc_dir_entry *de);
+#else
+static inline void create_prof_cpu_mask(struct proc_dir_entry *de)
+{
+}
+#endif
+
+enum profile_type {
+        PROFILE_TASK_EXIT,
+        PROFILE_MUNMAP
+};
+
+#ifdef CONFIG_PROFILING
+
+extern int prof_on __read_mostly;
+
 /* init basic kernel profiler */
 void __init profile_init(void);
-void profile_tick(int);
+void profile_tick(int type);
 
 /*
  * Add multiple profiler hits to a given address:
  */
-void profile_hits(int, void *ip, unsigned int nr_hits);
+void profile_hits(int type, void *ip, unsigned int nr_hits);
 
 /*
  * Single profiler hit:
@@ -40,19 +55,6 @@ static inline void profile_hit(int type, void *ip)
                 profile_hits(type, ip, 1);
 }
 
-#ifdef CONFIG_PROC_FS
-void create_prof_cpu_mask(struct proc_dir_entry *);
-#else
-#define create_prof_cpu_mask(x)                 do { (void)(x); } while (0)
-#endif
-
-enum profile_type {
-        PROFILE_TASK_EXIT,
-        PROFILE_MUNMAP
-};
-
-#ifdef CONFIG_PROFILING
-
 struct task_struct;
 struct mm_struct;
 
@@ -80,6 +82,28 @@ struct pt_regs;
 
 #else
 
+#define prof_on 0
+
+static inline void profile_init(void)
+{
+        return;
+}
+
+static inline void profile_tick(int type)
+{
+        return;
+}
+
+static inline void profile_hits(int type, void *ip, unsigned int nr_hits)
+{
+        return;
+}
+
+static inline void profile_hit(int type, void *ip)
+{
+        return;
+}
+
 static inline int task_handoff_register(struct notifier_block * n)
 {
         return -ENOSYS;
diff --git a/include/linux/quota.h b/include/linux/quota.h
index dcddfb200947..376a05048bc5 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -41,9 +41,6 @@
 #define __DQUOT_VERSION__       "dquot_6.5.1"
 #define __DQUOT_NUM_VERSION__   6*10000+5*100+1
 
-typedef __kernel_uid32_t qid_t; /* Type in which we store ids in memory */
-typedef __u64 qsize_t;          /* Type in which we store sizes */
-
 /* Size of blocks in which are counted size limits */
 #define QUOTABLOCK_BITS 10
 #define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS)
@@ -138,6 +135,10 @@ struct if_dqinfo {
 #define QUOTA_NL_BHARDWARN 4            /* Block hardlimit reached */
 #define QUOTA_NL_BSOFTLONGWARN 5        /* Block grace time expired */
 #define QUOTA_NL_BSOFTWARN 6            /* Block softlimit reached */
+#define QUOTA_NL_IHARDBELOW 7           /* Usage got below inode hardlimit */
+#define QUOTA_NL_ISOFTBELOW 8           /* Usage got below inode softlimit */
+#define QUOTA_NL_BHARDBELOW 9           /* Usage got below block hardlimit */
+#define QUOTA_NL_BSOFTBELOW 10          /* Usage got below block softlimit */
 
 enum {
         QUOTA_NL_C_UNSPEC,
@@ -172,6 +173,9 @@ enum {
 
 #include <asm/atomic.h>
 
+typedef __kernel_uid32_t qid_t; /* Type in which we store ids in memory */
+typedef __u64 qsize_t;          /* Type in which we store sizes */
+
 extern spinlock_t dq_data_lock;
 
 /* Maximal numbers of writes for quota operation (insert/delete/update)
@@ -223,12 +227,10 @@ struct super_block;
 #define DQF_INFO_DIRTY (1 << DQF_INFO_DIRTY_B)  /* Is info dirty? */
 
 extern void mark_info_dirty(struct super_block *sb, int type);
-#define info_dirty(info) test_bit(DQF_INFO_DIRTY_B, &(info)->dqi_flags)
-#define info_any_dquot_dirty(info) (!list_empty(&(info)->dqi_dirty_list))
-#define info_any_dirty(info) (info_dirty(info) || info_any_dquot_dirty(info))
-
-#define sb_dqopt(sb) (&(sb)->s_dquot)
-#define sb_dqinfo(sb, type) (sb_dqopt(sb)->info+(type))
+static inline int info_dirty(struct mem_dqinfo *info)
+{
+        return test_bit(DQF_INFO_DIRTY_B, &info->dqi_flags);
+}
 
 struct dqstats {
         int lookups;
@@ -337,19 +339,6 @@ struct quota_info {
         struct quota_format_ops *ops[MAXQUOTAS];        /* Operations for each type */
 };
 
-#define sb_has_quota_enabled(sb, type) ((type)==USRQUOTA ? \
-        (sb_dqopt(sb)->flags & DQUOT_USR_ENABLED) : (sb_dqopt(sb)->flags & DQUOT_GRP_ENABLED))
-
-#define sb_any_quota_enabled(sb) (sb_has_quota_enabled(sb, USRQUOTA) | \
-                                  sb_has_quota_enabled(sb, GRPQUOTA))
-
-#define sb_has_quota_suspended(sb, type) \
-        ((type) == USRQUOTA ? (sb_dqopt(sb)->flags & DQUOT_USR_SUSPENDED) : \
-                              (sb_dqopt(sb)->flags & DQUOT_GRP_SUSPENDED))
-
-#define sb_any_quota_suspended(sb) (sb_has_quota_suspended(sb, USRQUOTA) | \
-                                  sb_has_quota_suspended(sb, GRPQUOTA))
-
 int register_quota_format(struct quota_format_type *fmt);
 void unregister_quota_format(struct quota_format_type *fmt);
 
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index f86702053853..742187f7a05c 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -11,42 +11,85 @@
 #define _LINUX_QUOTAOPS_
 
 #include <linux/smp_lock.h>
-
 #include <linux/fs.h>
 
+static inline struct quota_info *sb_dqopt(struct super_block *sb)
+{
+        return &sb->s_dquot;
+}
+
 #if defined(CONFIG_QUOTA)
 
 /*
  * declaration of quota_function calls in kernel.
  */
-extern void sync_dquots(struct super_block *sb, int type);
-
-extern int dquot_initialize(struct inode *inode, int type);
-extern int dquot_drop(struct inode *inode);
-
-extern int dquot_alloc_space(struct inode *inode, qsize_t number, int prealloc);
-extern int dquot_alloc_inode(const struct inode *inode, unsigned long number);
-
-extern int dquot_free_space(struct inode *inode, qsize_t number);
-extern int dquot_free_inode(const struct inode *inode, unsigned long number);
-
-extern int dquot_transfer(struct inode *inode, struct iattr *iattr);
-extern int dquot_commit(struct dquot *dquot);
-extern int dquot_acquire(struct dquot *dquot);
-extern int dquot_release(struct dquot *dquot);
-extern int dquot_commit_info(struct super_block *sb, int type);
-extern int dquot_mark_dquot_dirty(struct dquot *dquot);
-
-extern int vfs_quota_on(struct super_block *sb, int type, int format_id,
-                char *path, int remount);
-extern int vfs_quota_on_mount(struct super_block *sb, char *qf_name,
-                int format_id, int type);
-extern int vfs_quota_off(struct super_block *sb, int type, int remount);
-extern int vfs_quota_sync(struct super_block *sb, int type);
-extern int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
-extern int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
-extern int vfs_get_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di);
-extern int vfs_set_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di);
+void sync_dquots(struct super_block *sb, int type);
+
+int dquot_initialize(struct inode *inode, int type);
+int dquot_drop(struct inode *inode);
+
+int dquot_alloc_space(struct inode *inode, qsize_t number, int prealloc);
+int dquot_alloc_inode(const struct inode *inode, unsigned long number);
+
+int dquot_free_space(struct inode *inode, qsize_t number);
+int dquot_free_inode(const struct inode *inode, unsigned long number);
+
+int dquot_transfer(struct inode *inode, struct iattr *iattr);
+int dquot_commit(struct dquot *dquot);
+int dquot_acquire(struct dquot *dquot);
+int dquot_release(struct dquot *dquot);
+int dquot_commit_info(struct super_block *sb, int type);
+int dquot_mark_dquot_dirty(struct dquot *dquot);
+
+int vfs_quota_on(struct super_block *sb, int type, int format_id,
+        char *path, int remount);
+int vfs_quota_on_mount(struct super_block *sb, char *qf_name,
+        int format_id, int type);
+int vfs_quota_off(struct super_block *sb, int type, int remount);
+int vfs_quota_sync(struct super_block *sb, int type);
+int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
+int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
+int vfs_get_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di);
+int vfs_set_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di);
+
+void vfs_dq_drop(struct inode *inode);
+int vfs_dq_transfer(struct inode *inode, struct iattr *iattr);
+int vfs_dq_quota_on_remount(struct super_block *sb);
+
+static inline struct mem_dqinfo *sb_dqinfo(struct super_block *sb, int type)
+{
+        return sb_dqopt(sb)->info + type;
+}
+
+/*
+ * Functions for checking status of quota
+ */
+
+static inline int sb_has_quota_enabled(struct super_block *sb, int type)
+{
+        if (type == USRQUOTA)
+                return sb_dqopt(sb)->flags & DQUOT_USR_ENABLED;
+        return sb_dqopt(sb)->flags & DQUOT_GRP_ENABLED;
+}
+
+static inline int sb_any_quota_enabled(struct super_block *sb)
+{
+        return sb_has_quota_enabled(sb, USRQUOTA) ||
+                sb_has_quota_enabled(sb, GRPQUOTA);
+}
+
+static inline int sb_has_quota_suspended(struct super_block *sb, int type)
+{
+        if (type == USRQUOTA)
+                return sb_dqopt(sb)->flags & DQUOT_USR_SUSPENDED;
+        return sb_dqopt(sb)->flags & DQUOT_GRP_SUSPENDED;
+}
+
+static inline int sb_any_quota_suspended(struct super_block *sb)
+{
+        return sb_has_quota_suspended(sb, USRQUOTA) ||
+                sb_has_quota_suspended(sb, GRPQUOTA);
+}
 
 /*
  * Operations supported for diskquotas.
@@ -59,38 +102,16 @@ extern struct quotactl_ops vfs_quotactl_ops;
 
 /* It is better to call this function outside of any transaction as it might
  * need a lot of space in journal for dquot structure allocation. */
-static inline void DQUOT_INIT(struct inode *inode)
+static inline void vfs_dq_init(struct inode *inode)
 {
         BUG_ON(!inode->i_sb);
         if (sb_any_quota_enabled(inode->i_sb) && !IS_NOQUOTA(inode))
                 inode->i_sb->dq_op->initialize(inode, -1);
 }
 
-/* The same as with DQUOT_INIT */
-static inline void DQUOT_DROP(struct inode *inode)
-{
-        /* Here we can get arbitrary inode from clear_inode() so we have
-         * to be careful. OTOH we don't need locking as quota operations
-         * are allowed to change only at mount time */
-        if (!IS_NOQUOTA(inode) && inode->i_sb && inode->i_sb->dq_op
-            && inode->i_sb->dq_op->drop) {
-                int cnt;
-                /* Test before calling to rule out calls from proc and such
-                 * where we are not allowed to block. Note that this is
-                 * actually reliable test even without the lock - the caller
-                 * must assure that nobody can come after the DQUOT_DROP and
-                 * add quota pointers back anyway */
-                for (cnt = 0; cnt < MAXQUOTAS; cnt++)
-                        if (inode->i_dquot[cnt] != NODQUOT)
-                                break;
-                if (cnt < MAXQUOTAS)
-                        inode->i_sb->dq_op->drop(inode);
-        }
-}
-
 /* The following allocation/freeing/transfer functions *must* be called inside
  * a transaction (deadlocks possible otherwise) */
-static inline int DQUOT_PREALLOC_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
+static inline int vfs_dq_prealloc_space_nodirty(struct inode *inode, qsize_t nr)
 {
         if (sb_any_quota_enabled(inode->i_sb)) {
                 /* Used space is updated in alloc_space() */
@@ -102,15 +123,15 @@ static inline int DQUOT_PREALLOC_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
         return 0;
 }
 
-static inline int DQUOT_PREALLOC_SPACE(struct inode *inode, qsize_t nr)
+static inline int vfs_dq_prealloc_space(struct inode *inode, qsize_t nr)
 {
         int ret;
-        if (!(ret =  DQUOT_PREALLOC_SPACE_NODIRTY(inode, nr)))
+        if (!(ret =  vfs_dq_prealloc_space_nodirty(inode, nr)))
                 mark_inode_dirty(inode);
         return ret;
 }
 
-static inline int DQUOT_ALLOC_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
+static inline int vfs_dq_alloc_space_nodirty(struct inode *inode, qsize_t nr)
 {
         if (sb_any_quota_enabled(inode->i_sb)) {
                 /* Used space is updated in alloc_space() */
@@ -122,25 +143,25 @@ static inline int DQUOT_ALLOC_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
         return 0;
 }
 
-static inline int DQUOT_ALLOC_SPACE(struct inode *inode, qsize_t nr)
+static inline int vfs_dq_alloc_space(struct inode *inode, qsize_t nr)
 {
         int ret;
-        if (!(ret = DQUOT_ALLOC_SPACE_NODIRTY(inode, nr)))
+        if (!(ret = vfs_dq_alloc_space_nodirty(inode, nr)))
                 mark_inode_dirty(inode);
         return ret;
 }
 
-static inline int DQUOT_ALLOC_INODE(struct inode *inode)
+static inline int vfs_dq_alloc_inode(struct inode *inode)
 {
         if (sb_any_quota_enabled(inode->i_sb)) {
-                DQUOT_INIT(inode);
+                vfs_dq_init(inode);
                 if (inode->i_sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA)
                         return 1;
         }
         return 0;
 }
 
-static inline void DQUOT_FREE_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
+static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr)
 {
         if (sb_any_quota_enabled(inode->i_sb))
                 inode->i_sb->dq_op->free_space(inode, nr);
@@ -148,35 +169,25 @@ static inline void DQUOT_FREE_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
                 inode_sub_bytes(inode, nr);
 }
 
-static inline void DQUOT_FREE_SPACE(struct inode *inode, qsize_t nr)
+static inline void vfs_dq_free_space(struct inode *inode, qsize_t nr)
 {
-        DQUOT_FREE_SPACE_NODIRTY(inode, nr);
+        vfs_dq_free_space_nodirty(inode, nr);
         mark_inode_dirty(inode);
 }
 
-static inline void DQUOT_FREE_INODE(struct inode *inode)
+static inline void vfs_dq_free_inode(struct inode *inode)
 {
         if (sb_any_quota_enabled(inode->i_sb))
                 inode->i_sb->dq_op->free_inode(inode, 1);
 }
 
-static inline int DQUOT_TRANSFER(struct inode *inode, struct iattr *iattr)
-{
-        if (sb_any_quota_enabled(inode->i_sb) && !IS_NOQUOTA(inode)) {
-                DQUOT_INIT(inode);
-                if (inode->i_sb->dq_op->transfer(inode, iattr) == NO_QUOTA)
-                        return 1;
-        }
-        return 0;
-}
-
 /* The following two functions cannot be called inside a transaction */
-static inline void DQUOT_SYNC(struct super_block *sb)
+static inline void vfs_dq_sync(struct super_block *sb)
 {
         sync_dquots(sb, -1);
 }
 
-static inline int DQUOT_OFF(struct super_block *sb, int remount)
+static inline int vfs_dq_off(struct super_block *sb, int remount)
 {
         int ret = -ENOSYS;
 
@@ -185,22 +196,27 @@ static inline int DQUOT_OFF(struct super_block *sb, int remount)
         return ret;
 }
 
-static inline int DQUOT_ON_REMOUNT(struct super_block *sb)
+#else
+
+static inline int sb_has_quota_enabled(struct super_block *sb, int type)
 {
-        int cnt;
-        int ret = 0, err;
+        return 0;
+}
 
-        if (!sb->s_qcop || !sb->s_qcop->quota_on)
-                return -ENOSYS;
-        for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
-                err = sb->s_qcop->quota_on(sb, cnt, 0, NULL, 1);
-                if (err < 0 && !ret)
-                        ret = err;
-        }
-        return ret;
+static inline int sb_any_quota_enabled(struct super_block *sb)
+{
+        return 0;
 }
 
-#else
+static inline int sb_has_quota_suspended(struct super_block *sb, int type)
+{
+        return 0;
+}
+
+static inline int sb_any_quota_suspended(struct super_block *sb)
+{
+        return 0;
+}
 
 /*
  * NO-OP when quota not configured.
@@ -208,113 +224,144 @@ static inline int DQUOT_ON_REMOUNT(struct super_block *sb)
 #define sb_dquot_ops                            (NULL)
 #define sb_quotactl_ops                         (NULL)
 
-static inline void DQUOT_INIT(struct inode *inode)
+static inline void vfs_dq_init(struct inode *inode)
 {
 }
 
-static inline void DQUOT_DROP(struct inode *inode)
+static inline void vfs_dq_drop(struct inode *inode)
 {
 }
 
-static inline int DQUOT_ALLOC_INODE(struct inode *inode)
+static inline int vfs_dq_alloc_inode(struct inode *inode)
 {
         return 0;
 }
 
-static inline void DQUOT_FREE_INODE(struct inode *inode)
+static inline void vfs_dq_free_inode(struct inode *inode)
 {
 }
 
-static inline void DQUOT_SYNC(struct super_block *sb)
+static inline void vfs_dq_sync(struct super_block *sb)
 {
 }
 
-static inline int DQUOT_OFF(struct super_block *sb, int remount)
+static inline int vfs_dq_off(struct super_block *sb, int remount)
 {
         return 0;
 }
 
-static inline int DQUOT_ON_REMOUNT(struct super_block *sb)
+static inline int vfs_dq_quota_on_remount(struct super_block *sb)
 {
         return 0;
 }
 
-static inline int DQUOT_TRANSFER(struct inode *inode, struct iattr *iattr)
+static inline int vfs_dq_transfer(struct inode *inode, struct iattr *iattr)
 {
         return 0;
 }
 
-static inline int DQUOT_PREALLOC_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
+static inline int vfs_dq_prealloc_space_nodirty(struct inode *inode, qsize_t nr)
 {
         inode_add_bytes(inode, nr);
         return 0;
 }
 
-static inline int DQUOT_PREALLOC_SPACE(struct inode *inode, qsize_t nr)
+static inline int vfs_dq_prealloc_space(struct inode *inode, qsize_t nr)
 {
-        DQUOT_PREALLOC_SPACE_NODIRTY(inode, nr);
+        vfs_dq_prealloc_space_nodirty(inode, nr);
         mark_inode_dirty(inode);
         return 0;
 }
 
-static inline int DQUOT_ALLOC_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
+static inline int vfs_dq_alloc_space_nodirty(struct inode *inode, qsize_t nr)
 {
         inode_add_bytes(inode, nr);
         return 0;
 }
 
-static inline int DQUOT_ALLOC_SPACE(struct inode *inode, qsize_t nr)
+static inline int vfs_dq_alloc_space(struct inode *inode, qsize_t nr)
 {
-        DQUOT_ALLOC_SPACE_NODIRTY(inode, nr);
+        vfs_dq_alloc_space_nodirty(inode, nr);
         mark_inode_dirty(inode);
         return 0;
 }
 
-static inline void DQUOT_FREE_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
+static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr)
 {
         inode_sub_bytes(inode, nr);
 }
 
-static inline void DQUOT_FREE_SPACE(struct inode *inode, qsize_t nr)
+static inline void vfs_dq_free_space(struct inode *inode, qsize_t nr)
 {
-        DQUOT_FREE_SPACE_NODIRTY(inode, nr);
+        vfs_dq_free_space_nodirty(inode, nr);
         mark_inode_dirty(inode);
 }       
 
 #endif /* CONFIG_QUOTA */
 
-static inline int DQUOT_PREALLOC_BLOCK_NODIRTY(struct inode *inode, qsize_t nr)
+static inline int vfs_dq_prealloc_block_nodirty(struct inode *inode, qsize_t nr)
 {
-        return DQUOT_PREALLOC_SPACE_NODIRTY(inode,
+        return vfs_dq_prealloc_space_nodirty(inode,
                         nr << inode->i_sb->s_blocksize_bits);
 }
 
-static inline int DQUOT_PREALLOC_BLOCK(struct inode *inode, qsize_t nr)
+static inline int vfs_dq_prealloc_block(struct inode *inode, qsize_t nr)
 {
-        return DQUOT_PREALLOC_SPACE(inode,
+        return vfs_dq_prealloc_space(inode,
                         nr << inode->i_sb->s_blocksize_bits);
 }
 
-static inline int DQUOT_ALLOC_BLOCK_NODIRTY(struct inode *inode, qsize_t nr)
+static inline int vfs_dq_alloc_block_nodirty(struct inode *inode, qsize_t nr)
 {
-        return DQUOT_ALLOC_SPACE_NODIRTY(inode,
+        return vfs_dq_alloc_space_nodirty(inode,
                         nr << inode->i_sb->s_blocksize_bits);
 }
 
-static inline int DQUOT_ALLOC_BLOCK(struct inode *inode, qsize_t nr)
+static inline int vfs_dq_alloc_block(struct inode *inode, qsize_t nr)
 {
-        return DQUOT_ALLOC_SPACE(inode,
+        return vfs_dq_alloc_space(inode,
                         nr << inode->i_sb->s_blocksize_bits);
 }
 
-static inline void DQUOT_FREE_BLOCK_NODIRTY(struct inode *inode, qsize_t nr)
+static inline void vfs_dq_free_block_nodirty(struct inode *inode, qsize_t nr)
 {
-        DQUOT_FREE_SPACE_NODIRTY(inode, nr << inode->i_sb->s_blocksize_bits);
+        vfs_dq_free_space_nodirty(inode, nr << inode->i_sb->s_blocksize_bits);
 }
 
-static inline void DQUOT_FREE_BLOCK(struct inode *inode, qsize_t nr)
+static inline void vfs_dq_free_block(struct inode *inode, qsize_t nr)
 {
-        DQUOT_FREE_SPACE(inode, nr << inode->i_sb->s_blocksize_bits);
+        vfs_dq_free_space(inode, nr << inode->i_sb->s_blocksize_bits);
 }
 
+/*
+ * Define uppercase equivalents for compatibility with old function names
+ * Can go away when we think all users have been converted (15/04/2008)
+ */
+#define DQUOT_INIT(inode) vfs_dq_init(inode)
+#define DQUOT_DROP(inode) vfs_dq_drop(inode)
+#define DQUOT_PREALLOC_SPACE_NODIRTY(inode, nr) \
+                                vfs_dq_prealloc_space_nodirty(inode, nr)
+#define DQUOT_PREALLOC_SPACE(inode, nr) vfs_dq_prealloc_space(inode, nr)
+#define DQUOT_ALLOC_SPACE_NODIRTY(inode, nr) \
+                                vfs_dq_alloc_space_nodirty(inode, nr)
+#define DQUOT_ALLOC_SPACE(inode, nr) vfs_dq_alloc_space(inode, nr)
+#define DQUOT_PREALLOC_BLOCK_NODIRTY(inode, nr) \
+                                vfs_dq_prealloc_block_nodirty(inode, nr)
+#define DQUOT_PREALLOC_BLOCK(inode, nr) vfs_dq_prealloc_block(inode, nr)
+#define DQUOT_ALLOC_BLOCK_NODIRTY(inode, nr) \
+                                vfs_dq_alloc_block_nodirty(inode, nr)
+#define DQUOT_ALLOC_BLOCK(inode, nr) vfs_dq_alloc_block(inode, nr)
+#define DQUOT_ALLOC_INODE(inode) vfs_dq_alloc_inode(inode)
+#define DQUOT_FREE_SPACE_NODIRTY(inode, nr) \
+                                vfs_dq_free_space_nodirty(inode, nr)
+#define DQUOT_FREE_SPACE(inode, nr) vfs_dq_free_space(inode, nr)
+#define DQUOT_FREE_BLOCK_NODIRTY(inode, nr) \
+                                vfs_dq_free_block_nodirty(inode, nr)
+#define DQUOT_FREE_BLOCK(inode, nr) vfs_dq_free_block(inode, nr)
+#define DQUOT_FREE_INODE(inode) vfs_dq_free_inode(inode)
+#define DQUOT_TRANSFER(inode, iattr) vfs_dq_transfer(inode, iattr)
+#define DQUOT_SYNC(sb) vfs_dq_sync(sb)
+#define DQUOT_OFF(sb, remount) vfs_dq_off(sb, remount)
+#define DQUOT_ON_REMOUNT(sb) vfs_dq_quota_on_remount(sb)
+
 #endif /* _LINUX_QUOTAOPS_ */
diff --git a/include/linux/ratelimit.h b/include/linux/ratelimit.h
new file mode 100644
index 000000000000..18a5b9ba9d40
--- /dev/null
+++ b/include/linux/ratelimit.h
@@ -0,0 +1,27 @@
+#ifndef _LINUX_RATELIMIT_H
+#define _LINUX_RATELIMIT_H
+#include <linux/param.h>
+
+#define DEFAULT_RATELIMIT_INTERVAL (5 * HZ)
+#define DEFAULT_RATELIMIT_BURST 10
+
+struct ratelimit_state {
+        int interval;
+        int burst;
+        int printed;
+        int missed;
+        unsigned long begin;
+};
+
+#define DEFINE_RATELIMIT_STATE(name, interval, burst)           \
+                struct ratelimit_state name = {interval, burst,}
+
+extern int __ratelimit(struct ratelimit_state *rs);
+
+static inline int ratelimit(void)
+{
+        static DEFINE_RATELIMIT_STATE(rs, DEFAULT_RATELIMIT_INTERVAL,
+                                        DEFAULT_RATELIMIT_BURST);
+        return __ratelimit(&rs);
+}
+#endif
diff --git a/include/linux/rcupreempt.h b/include/linux/rcupreempt.h
index f04b64eca636..0967f03b0705 100644
--- a/include/linux/rcupreempt.h
+++ b/include/linux/rcupreempt.h
@@ -115,16 +115,21 @@ DECLARE_PER_CPU(struct rcu_dyntick_sched, rcu_dyntick_sched);
 
 static inline void rcu_enter_nohz(void)
 {
+        static DEFINE_RATELIMIT_STATE(rs, 10 * HZ, 1);
+
         smp_mb(); /* CPUs seeing ++ must see prior RCU read-side crit sects */
         __get_cpu_var(rcu_dyntick_sched).dynticks++;
-        WARN_ON(__get_cpu_var(rcu_dyntick_sched).dynticks & 0x1);
+        WARN_ON_RATELIMIT(__get_cpu_var(rcu_dyntick_sched).dynticks & 0x1, &rs);
 }
 
 static inline void rcu_exit_nohz(void)
 {
+        static DEFINE_RATELIMIT_STATE(rs, 10 * HZ, 1);
+
         smp_mb(); /* CPUs seeing ++ must see later RCU read-side crit sects */
         __get_cpu_var(rcu_dyntick_sched).dynticks++;
-        WARN_ON(!(__get_cpu_var(rcu_dyntick_sched).dynticks & 0x1));
+        WARN_ON_RATELIMIT(!(__get_cpu_var(rcu_dyntick_sched).dynticks & 0x1),
+                                &rs);
 }
 
 #else /* CONFIG_NO_HZ */
diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index 4aacaeecb56f..e9963af16cda 100644
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -526,8 +526,8 @@ struct item_head {
 ** p is the array of __u32, i is the index into the array, v is the value
 ** to store there.
 */
-#define get_block_num(p, i) le32_to_cpu(get_unaligned((p) + (i)))
-#define put_block_num(p, i, v) put_unaligned(cpu_to_le32(v), (p) + (i))
+#define get_block_num(p, i) get_unaligned_le32((p) + (i))
+#define put_block_num(p, i, v) put_unaligned_le32((v), (p) + (i))
 
 //
 // in old version uniqueness field shows key type
diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h
index 336ee43ed7d8..315517e8bfa1 100644
--- a/include/linux/reiserfs_fs_sb.h
+++ b/include/linux/reiserfs_fs_sb.h
@@ -152,7 +152,7 @@ struct reiserfs_journal_list {
         atomic_t j_nonzerolen;
         atomic_t j_commit_left;
         atomic_t j_older_commits_done;  /* all commits older than this on disk */
-        struct semaphore j_commit_lock;
+        struct mutex j_commit_mutex;
         unsigned long j_trans_id;
         time_t j_timestamp;
         struct reiserfs_list_bitmap *j_list_bitmap;
@@ -193,8 +193,8 @@ struct reiserfs_journal {
         struct buffer_head *j_header_bh;
 
         time_t j_trans_start_time;      /* time this transaction started */
-        struct semaphore j_lock;
-        struct semaphore j_flush_sem;
+        struct mutex j_mutex;
+        struct mutex j_flush_mutex;
         wait_queue_head_t j_join_wait;  /* wait for current transaction to finish before starting new one */
         atomic_t j_jlock;       /* lock for j_join_wait */
         int j_list_bitmap_index;        /* number of next list bitmap to use */
diff --git a/include/linux/res_counter.h b/include/linux/res_counter.h
index 6d9e1fca098c..fdeadd9740dc 100644
--- a/include/linux/res_counter.h
+++ b/include/linux/res_counter.h
@@ -63,9 +63,14 @@ u64 res_counter_read_u64(struct res_counter *counter, int member);
 ssize_t res_counter_read(struct res_counter *counter, int member,
                 const char __user *buf, size_t nbytes, loff_t *pos,
                 int (*read_strategy)(unsigned long long val, char *s));
-ssize_t res_counter_write(struct res_counter *counter, int member,
-                const char __user *buf, size_t nbytes, loff_t *pos,
-                int (*write_strategy)(char *buf, unsigned long long *val));
+
+typedef int (*write_strategy_fn)(const char *buf, unsigned long long *val);
+
+int res_counter_memparse_write_strategy(const char *buf,
+                                        unsigned long long *res);
+
+int res_counter_write(struct res_counter *counter, int member,
+                      const char *buffer, write_strategy_fn write_strategy);
 
 /*
  * the field descriptors. one for each member of res_counter
@@ -95,8 +100,10 @@ void res_counter_init(struct res_counter *counter);
  * counter->limit _locked call expects the counter->lock to be taken
  */
 
-int res_counter_charge_locked(struct res_counter *counter, unsigned long val);
-int res_counter_charge(struct res_counter *counter, unsigned long val);
+int __must_check res_counter_charge_locked(struct res_counter *counter,
+                unsigned long val);
+int __must_check res_counter_charge(struct res_counter *counter,
+                unsigned long val);
 
 /*
  * uncharge - tell that some portion of the resource is released
@@ -151,4 +158,20 @@ static inline void res_counter_reset_failcnt(struct res_counter *cnt)
         cnt->failcnt = 0;
         spin_unlock_irqrestore(&cnt->lock, flags);
 }
+
+static inline int res_counter_set_limit(struct res_counter *cnt,
+                unsigned long long limit)
+{
+        unsigned long flags;
+        int ret = -EBUSY;
+
+        spin_lock_irqsave(&cnt->lock, flags);
+        if (cnt->usage < limit) {
+                cnt->limit = limit;
+                ret = 0;
+        }
+        spin_unlock_irqrestore(&cnt->lock, flags);
+        return ret;
+}
+
 #endif
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 6aca4a16e377..42036ffe6b00 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -506,6 +506,10 @@ struct signal_struct {
         unsigned long nvcsw, nivcsw, cnvcsw, cnivcsw;
         unsigned long min_flt, maj_flt, cmin_flt, cmaj_flt;
         unsigned long inblock, oublock, cinblock, coublock;
+#ifdef CONFIG_TASK_XACCT
+        u64 rchar, wchar, syscr, syscw;
+#endif
+        struct task_io_accounting ioac;
 
         /*
          * Cumulative ns of scheduled CPU time for dead threads in the
@@ -668,6 +672,10 @@ struct task_delay_info {
                                 /* io operations performed */
         u32 swapin_count;       /* total count of the number of swapin block */
                                 /* io operations performed */
+
+        struct timespec freepages_start, freepages_end;
+        u64 freepages_delay;    /* wait for memory reclaim */
+        u32 freepages_count;    /* total count of memory reclaim */
 };
 #endif  /* CONFIG_TASK_DELAY_ACCT */
 
@@ -1257,7 +1265,7 @@ struct task_struct {
 #if defined(CONFIG_TASK_XACCT)
         u64 acct_rss_mem1;      /* accumulated rss usage */
         u64 acct_vm_mem1;       /* accumulated virtual memory usage */
-        cputime_t acct_stimexpd;/* stime since last update */
+        cputime_t acct_timexpd; /* stime + utime since last update */
 #endif
 #ifdef CONFIG_CPUSETS
         nodemask_t mems_allowed;
@@ -1496,7 +1504,7 @@ static inline void put_task_struct(struct task_struct *t)
 #define PF_KSWAPD       0x00040000      /* I am kswapd */
 #define PF_SWAPOFF      0x00080000      /* I am in swapoff */
 #define PF_LESS_THROTTLE 0x00100000     /* Throttle me less: I clean memory */
-#define PF_BORROWED_MM  0x00200000      /* I am a kthread doing use_mm */
+#define PF_KTHREAD      0x00200000      /* I am a kernel thread */
 #define PF_RANDOMIZE    0x00400000      /* randomize virtual address space */
 #define PF_SWAPWRITE    0x00800000      /* Allowed to write to swap */
 #define PF_SPREAD_PAGE  0x01000000      /* Spread page cache over cpuset */
@@ -1715,19 +1723,13 @@ extern struct pid_namespace init_pid_ns;
  *      finds a task by its pid in the specified namespace
  * find_task_by_vpid():
  *      finds a task by its virtual pid
- * find_task_by_pid():
- *      finds a task by its global pid
  *
- * see also find_pid() etc in include/linux/pid.h
+ * see also find_vpid() etc in include/linux/pid.h
  */
 
 extern struct task_struct *find_task_by_pid_type_ns(int type, int pid,
                 struct pid_namespace *ns);
 
-static inline struct task_struct *__deprecated find_task_by_pid(pid_t nr)
-{
-        return find_task_by_pid_type_ns(PIDTYPE_PID, nr, &init_pid_ns);
-}
 extern struct task_struct *find_task_by_vpid(pid_t nr);
 extern struct task_struct *find_task_by_pid_ns(pid_t nr,
                 struct pid_namespace *ns);
@@ -1800,7 +1802,6 @@ extern void force_sig(int, struct task_struct *);
 extern void force_sig_specific(int, struct task_struct *);
 extern int send_sig(int, struct task_struct *, int);
 extern void zap_other_threads(struct task_struct *p);
-extern int kill_proc(pid_t, int, int);
 extern struct sigqueue *sigqueue_alloc(void);
 extern void sigqueue_free(struct sigqueue *);
 extern int send_sigqueue(struct sigqueue *,  struct task_struct *, int group);
@@ -2054,9 +2055,6 @@ static inline int signal_pending_state(long state, struct task_struct *p)
         if (!signal_pending(p))
                 return 0;
 
-        if (state & (__TASK_STOPPED | __TASK_TRACED))
-                return 0;
-
         return (state & TASK_INTERRUPTIBLE) || __fatal_signal_pending(p);
 }
 
diff --git a/include/linux/sem.h b/include/linux/sem.h
index c8eaad9e4b72..1b191c176bcd 100644
--- a/include/linux/sem.h
+++ b/include/linux/sem.h
@@ -78,6 +78,7 @@ struct  seminfo {
 
 #ifdef __KERNEL__
 #include <asm/atomic.h>
+#include <linux/rcupdate.h>
 
 struct task_struct;
 
@@ -93,23 +94,19 @@ struct sem_array {
         time_t                  sem_otime;      /* last semop time */
         time_t                  sem_ctime;      /* last change time */
         struct sem              *sem_base;      /* ptr to first semaphore in array */
-        struct sem_queue        *sem_pending;   /* pending operations to be processed */
-        struct sem_queue        **sem_pending_last; /* last pending operation */
-        struct sem_undo         *undo;          /* undo requests on this array */
+        struct list_head        sem_pending;    /* pending operations to be processed */
+        struct list_head        list_id;        /* undo requests on this array */
         unsigned long           sem_nsems;      /* no. of semaphores in array */
 };
 
 /* One queue for each sleeping process in the system. */
 struct sem_queue {
-        struct sem_queue *      next;    /* next entry in the queue */
-        struct sem_queue **     prev;    /* previous entry in the queue, *(q->prev) == q */
-        struct task_struct*     sleeper; /* this process */
-        struct sem_undo *       undo;    /* undo structure */
+        struct list_head        list;    /* queue of pending operations */
+        struct task_struct      *sleeper; /* this process */
+        struct sem_undo         *undo;   /* undo structure */
         int                     pid;     /* process id of requesting process */
         int                     status;  /* completion status of operation */
-        struct sem_array *      sma;     /* semaphore array for operations */
-        int                     id;      /* internal sem id */
-        struct sembuf *         sops;    /* array of pending operations */
+        struct sembuf           *sops;   /* array of pending operations */
         int                     nsops;   /* number of operations */
         int                     alter;   /* does the operation alter the array? */
 };
@@ -118,8 +115,11 @@ struct sem_queue {
  * when the process exits.
  */
 struct sem_undo {
-        struct sem_undo *       proc_next;      /* next entry on this process */
-        struct sem_undo *       id_next;        /* next entry on this semaphore set */
+        struct list_head        list_proc;      /* per-process list: all undos from one process. */
+                                                /* rcu protected */
+        struct rcu_head         rcu;            /* rcu struct for sem_undo() */
+        struct sem_undo_list    *ulp;           /* sem_undo_list for the process */
+        struct list_head        list_id;        /* per semaphore array list: all undos for one array */
         int                     semid;          /* semaphore set identifier */
         short *                 semadj;         /* array of adjustments, one per semaphore */
 };
@@ -128,9 +128,9 @@ struct sem_undo {
  * that may be shared among all a CLONE_SYSVSEM task group.
  */ 
 struct sem_undo_list {
-        atomic_t        refcnt;
-        spinlock_t      lock;
-        struct sem_undo *proc_list;
+        atomic_t                refcnt;
+        spinlock_t              lock;
+        struct list_head        list_proc;
 };
 
 struct sysv_sem {
diff --git a/include/linux/sm501.h b/include/linux/sm501.h
index b530fa6a1d34..214f93209b8c 100644
--- a/include/linux/sm501.h
+++ b/include/linux/sm501.h
@@ -46,24 +46,6 @@ extern unsigned long sm501_modify_reg(struct device *dev,
                                       unsigned long set,
                                       unsigned long clear);
 
-/* sm501_gpio_set
- *
- * set the state of the given GPIO line
-*/
-
-extern void sm501_gpio_set(struct device *dev,
-                           unsigned long gpio,
-                           unsigned int to,
-                           unsigned int dir);
-
-/* sm501_gpio_get
- *
- * get the state of the given GPIO line
-*/
-
-extern unsigned long sm501_gpio_get(struct device *dev,
-                                    unsigned long gpio);
-
 
 /* Platform data definitions */
 
@@ -104,11 +86,19 @@ struct sm501_platdata_fb {
         struct sm501_platdata_fbsub     *fb_pnl;
 };
 
-/* gpio i2c */
+/* gpio i2c
+ *
+ * Note, we have to pass in the bus number, as the number used will be
+ * passed to the i2c-gpio driver's platform_device.id, subsequently used
+ * to register the i2c bus.
+*/
 
 struct sm501_platdata_gpio_i2c {
+        unsigned int            bus_num;
         unsigned int            pin_sda;
         unsigned int            pin_scl;
+        int                     udelay;
+        int                     timeout;
 };
 
 /* sm501_initdata
@@ -131,6 +121,7 @@ struct sm501_reg_init {
 #define SM501_USE_FBACCEL       (1<<6)
 #define SM501_USE_AC97          (1<<7)
 #define SM501_USE_I2S           (1<<8)
+#define SM501_USE_GPIO          (1<<9)
 
 #define SM501_USE_ALL           (0xffffffff)
 
@@ -157,6 +148,8 @@ struct sm501_init_gpio {
         struct sm501_reg_init   gpio_ddr_high;
 };
 
+#define SM501_FLAG_SUSPEND_OFF          (1<<4)
+
 /* sm501_platdata
  *
  * This is passed with the platform device to allow the board
@@ -170,6 +163,12 @@ struct sm501_platdata {
         struct sm501_init_gpio          *init_gpiop;
         struct sm501_platdata_fb        *fb;
 
+        int                              flags;
+        int                              gpio_base;
+
+        int     (*get_power)(struct device *dev);
+        int     (*set_power)(struct device *dev, unsigned int on);
+
         struct sm501_platdata_gpio_i2c  *gpio_i2c;
         unsigned int                     gpio_i2c_nr;
 };
diff --git a/include/linux/smb_fs.h b/include/linux/smb_fs.h
index 2c5cd55f44ff..923cd8a247b1 100644
--- a/include/linux/smb_fs.h
+++ b/include/linux/smb_fs.h
@@ -43,18 +43,13 @@ static inline struct smb_inode_info *SMB_I(struct inode *inode)
 }
 
 /* macro names are short for word, double-word, long value (?) */
-#define WVAL(buf,pos) \
-        (le16_to_cpu(get_unaligned((__le16 *)((u8 *)(buf) + (pos)))))
-#define DVAL(buf,pos) \
-        (le32_to_cpu(get_unaligned((__le32 *)((u8 *)(buf) + (pos)))))
-#define LVAL(buf,pos) \
-        (le64_to_cpu(get_unaligned((__le64 *)((u8 *)(buf) + (pos)))))
-#define WSET(buf,pos,val) \
-        put_unaligned(cpu_to_le16((u16)(val)), (__le16 *)((u8 *)(buf) + (pos)))
-#define DSET(buf,pos,val) \
-        put_unaligned(cpu_to_le32((u32)(val)), (__le32 *)((u8 *)(buf) + (pos)))
-#define LSET(buf,pos,val) \
-        put_unaligned(cpu_to_le64((u64)(val)), (__le64 *)((u8 *)(buf) + (pos)))
+#define WVAL(buf, pos) (get_unaligned_le16((u8 *)(buf) + (pos)))
+#define DVAL(buf, pos) (get_unaligned_le32((u8 *)(buf) + (pos)))
+#define LVAL(buf, pos) (get_unaligned_le64((u8 *)(buf) + (pos)))
+
+#define WSET(buf, pos, val) put_unaligned_le16((val), (u8 *)(buf) + (pos))
+#define DSET(buf, pos, val) put_unaligned_le32((val), (u8 *)(buf) + (pos))
+#define LSET(buf, pos, val) put_unaligned_le64((val), (u8 *)(buf) + (pos))
 
 /* where to find the base of the SMB packet proper */
 #define smb_base(buf) ((u8 *)(((u8 *)(buf))+4))
diff --git a/include/linux/spi/mcp23s08.h b/include/linux/spi/mcp23s08.h
index 835ddf47d45c..22ef107d7704 100644
--- a/include/linux/spi/mcp23s08.h
+++ b/include/linux/spi/mcp23s08.h
@@ -1,18 +1,25 @@
 
-/* FIXME driver should be able to handle all four slaves that
- * can be hooked up to each chipselect, as well as IRQs...
- */
+/* FIXME driver should be able to handle IRQs...  */
+
+struct mcp23s08_chip_info {
+        bool    is_present;             /* true iff populated */
+        u8      pullups;                /* BIT(x) means enable pullup x */
+};
 
 struct mcp23s08_platform_data {
-        /* four slaves can share one SPI chipselect */
-        u8              slave;
+        /* Four slaves (numbered 0..3) can share one SPI chipselect, and
+         * will provide 8..32 GPIOs using 1..4 gpio_chip instances.
+         */
+        struct mcp23s08_chip_info       chip[4];
 
-        /* number assigned to the first GPIO */
+        /* "base" is the number of the first GPIO.  Dynamic assignment is
+         * not currently supported, and even if there are gaps in chip
+         * addressing the GPIO numbers are sequential .. so for example
+         * if only slaves 0 and 3 are present, their GPIOs range from
+         * base to base+15.
+         */
         unsigned        base;
 
-        /* pins with pullups */
-        u8              pullups;
-
         void            *context;       /* param to setup/teardown */
 
         int             (*setup)(struct spi_device *spi,
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index d311a090fae7..61e5610ad165 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -46,6 +46,7 @@
  *  linux/spinlock.h:     builds the final spin_*() APIs.
  */
 
+#include <linux/typecheck.h>
 #include <linux/preempt.h>
 #include <linux/linkage.h>
 #include <linux/compiler.h>
@@ -191,23 +192,53 @@ do {								\
 
 #if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
 
-#define spin_lock_irqsave(lock, flags)  flags = _spin_lock_irqsave(lock)
-#define read_lock_irqsave(lock, flags)  flags = _read_lock_irqsave(lock)
-#define write_lock_irqsave(lock, flags) flags = _write_lock_irqsave(lock)
+#define spin_lock_irqsave(lock, flags)                  \
+        do {                                            \
+                typecheck(unsigned long, flags);        \
+                flags = _spin_lock_irqsave(lock);       \
+        } while (0)
+#define read_lock_irqsave(lock, flags)                  \
+        do {                                            \
+                typecheck(unsigned long, flags);        \
+                flags = _read_lock_irqsave(lock);       \
+        } while (0)
+#define write_lock_irqsave(lock, flags)                 \
+        do {                                            \
+                typecheck(unsigned long, flags);        \
+                flags = _write_lock_irqsave(lock);      \
+        } while (0)
 
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
-#define spin_lock_irqsave_nested(lock, flags, subclass) \
-        flags = _spin_lock_irqsave_nested(lock, subclass)
+#define spin_lock_irqsave_nested(lock, flags, subclass)                 \
+        do {                                                            \
+                typecheck(unsigned long, flags);                        \
+                flags = _spin_lock_irqsave_nested(lock, subclass);      \
+        } while (0)
 #else
-#define spin_lock_irqsave_nested(lock, flags, subclass) \
-        flags = _spin_lock_irqsave(lock)
+#define spin_lock_irqsave_nested(lock, flags, subclass)                 \
+        do {                                                            \
+                typecheck(unsigned long, flags);                        \
+                flags = _spin_lock_irqsave(lock);                       \
+        } while (0)
 #endif
 
 #else
 
-#define spin_lock_irqsave(lock, flags)  _spin_lock_irqsave(lock, flags)
-#define read_lock_irqsave(lock, flags)  _read_lock_irqsave(lock, flags)
-#define write_lock_irqsave(lock, flags) _write_lock_irqsave(lock, flags)
+#define spin_lock_irqsave(lock, flags)                  \
+        do {                                            \
+                typecheck(unsigned long, flags);        \
+                _spin_lock_irqsave(lock, flags);        \
+        } while (0)
+#define read_lock_irqsave(lock, flags)                  \
+        do {                                            \
+                typecheck(unsigned long, flags);        \
+                _read_lock_irqsave(lock, flags);        \
+        } while (0)
+#define write_lock_irqsave(lock, flags)                 \
+        do {                                            \
+                typecheck(unsigned long, flags);        \
+                _write_lock_irqsave(lock, flags);       \
+        } while (0)
 #define spin_lock_irqsave_nested(lock, flags, subclass) \
         spin_lock_irqsave(lock, flags)
 
@@ -260,16 +291,25 @@ do {						\
 } while (0)
 #endif
 
-#define spin_unlock_irqrestore(lock, flags) \
-                                        _spin_unlock_irqrestore(lock, flags)
+#define spin_unlock_irqrestore(lock, flags)             \
+        do {                                            \
+                typecheck(unsigned long, flags);        \
+                _spin_unlock_irqrestore(lock, flags);   \
+        } while (0)
 #define spin_unlock_bh(lock)            _spin_unlock_bh(lock)
 
-#define read_unlock_irqrestore(lock, flags) \
-                                        _read_unlock_irqrestore(lock, flags)
+#define read_unlock_irqrestore(lock, flags)             \
+        do {                                            \
+                typecheck(unsigned long, flags);        \
+                _read_unlock_irqrestore(lock, flags);   \
+        } while (0)
 #define read_unlock_bh(lock)            _read_unlock_bh(lock)
 
-#define write_unlock_irqrestore(lock, flags) \
-                                        _write_unlock_irqrestore(lock, flags)
+#define write_unlock_irqrestore(lock, flags)            \
+        do {                                            \
+                typecheck(unsigned long, flags);        \
+                _write_unlock_irqrestore(lock, flags);  \
+        } while (0)
 #define write_unlock_bh(lock)           _write_unlock_bh(lock)
 
 #define spin_trylock_bh(lock)   __cond_lock(lock, _spin_trylock_bh(lock))
diff --git a/include/linux/taskstats.h b/include/linux/taskstats.h
index 5d69c0744fff..18269e956a71 100644
--- a/include/linux/taskstats.h
+++ b/include/linux/taskstats.h
@@ -31,7 +31,7 @@
  */
 
 
-#define TASKSTATS_VERSION       6
+#define TASKSTATS_VERSION       7
 #define TS_COMM_LEN             32      /* should be >= TASK_COMM_LEN
                                          * in linux/sched.h */
 
@@ -157,6 +157,10 @@ struct taskstats {
         __u64   ac_utimescaled;         /* utime scaled on frequency etc */
         __u64   ac_stimescaled;         /* stime scaled on frequency etc */
         __u64   cpu_scaled_run_real_total; /* scaled cpu_run_real_total */
+
+        /* Delay waiting for memory reclaim */
+        __u64   freepages_count;
+        __u64   freepages_delay_total;
 };
 
 
diff --git a/include/linux/typecheck.h b/include/linux/typecheck.h
new file mode 100644
index 000000000000..eb5b74a575be
--- /dev/null
+++ b/include/linux/typecheck.h
@@ -0,0 +1,24 @@
+#ifndef TYPECHECK_H_INCLUDED
+#define TYPECHECK_H_INCLUDED
+
+/*
+ * Check at compile time that something is of a particular type.
+ * Always evaluates to 1 so you may use it easily in comparisons.
+ */
+#define typecheck(type,x) \
+({      type __dummy; \
+        typeof(x) __dummy2; \
+        (void)(&__dummy == &__dummy2); \
+        1; \
+})
+
+/*
+ * Check at compile time that 'function' is a certain type, or is a pointer
+ * to that type (needs to use typedef for the function type.)
+ */
+#define typecheck_fn(type,function) \
+({      typeof(type) __tmp = function; \
+        (void)__tmp; \
+})
+
+#endif          /* TYPECHECK_H_INCLUDED */
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index 747c3a49cdc9..c932390c6da0 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -330,7 +330,7 @@ extern int usb_string_id(struct usb_composite_dev *c);
         dev_vdbg(&(d)->gadget->dev , fmt , ## args)
 #define ERROR(d, fmt, args...) \
         dev_err(&(d)->gadget->dev , fmt , ## args)
-#define WARN(d, fmt, args...) \
+#define WARNING(d, fmt, args...) \
         dev_warn(&(d)->gadget->dev , fmt , ## args)
 #define INFO(d, fmt, args...) \
         dev_info(&(d)->gadget->dev , fmt , ## args)
diff --git a/include/linux/virtio_9p.h b/include/linux/virtio_9p.h
index 8eff0b53910b..b3c4a60ceeb3 100644
--- a/include/linux/virtio_9p.h
+++ b/include/linux/virtio_9p.h
@@ -1,5 +1,7 @@
 #ifndef _LINUX_VIRTIO_9P_H
 #define _LINUX_VIRTIO_9P_H
+/* This header is BSD licensed so anyone can use the definitions to implement
+ * compatible drivers/servers. */
 #include <linux/virtio_config.h>
 
 /* The ID for virtio console */
diff --git a/include/linux/virtio_balloon.h b/include/linux/virtio_balloon.h
index 979524ee75b7..c30c7bfbf39b 100644
--- a/include/linux/virtio_balloon.h
+++ b/include/linux/virtio_balloon.h
@@ -1,5 +1,7 @@
 #ifndef _LINUX_VIRTIO_BALLOON_H
 #define _LINUX_VIRTIO_BALLOON_H
+/* This header is BSD licensed so anyone can use the definitions to implement
+ * compatible drivers/servers. */
 #include <linux/virtio_config.h>
 
 /* The ID for virtio_balloon */
diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h
index 5f79a5f9de79..c1aef85243bf 100644
--- a/include/linux/virtio_blk.h
+++ b/include/linux/virtio_blk.h
@@ -1,5 +1,7 @@
 #ifndef _LINUX_VIRTIO_BLK_H
 #define _LINUX_VIRTIO_BLK_H
+/* This header is BSD licensed so anyone can use the definitions to implement
+ * compatible drivers/servers. */
 #include <linux/virtio_config.h>
 
 /* The ID for virtio_block */
@@ -11,6 +13,7 @@
 #define VIRTIO_BLK_F_SEG_MAX    2       /* Indicates maximum # of segments */
 #define VIRTIO_BLK_F_GEOMETRY   4       /* Legacy geometry available  */
 #define VIRTIO_BLK_F_RO         5       /* Disk is read-only */
+#define VIRTIO_BLK_F_BLK_SIZE   6       /* Block size of disk is available*/
 
 struct virtio_blk_config
 {
@@ -26,6 +29,8 @@ struct virtio_blk_config
                 __u8 heads;
                 __u8 sectors;
         } geometry;
+        /* block size of device (if VIRTIO_BLK_F_BLK_SIZE) */
+        __u32 blk_size;
 } __attribute__((packed));
 
 /* These two define direction. */
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index f364bbf63c34..bf8ec283b232 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -1,5 +1,8 @@
 #ifndef _LINUX_VIRTIO_CONFIG_H
 #define _LINUX_VIRTIO_CONFIG_H
+/* This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so
+ * anyone can use the definitions to implement compatible drivers/servers. */
+
 /* Virtio devices use a standardized configuration space to define their
  * features and pass configuration information, but each implementation can
  * store and access that space differently. */
@@ -15,6 +18,12 @@
 /* We've given up on this device. */
 #define VIRTIO_CONFIG_S_FAILED          0x80
 
+/* Some virtio feature bits (currently bits 28 through 31) are reserved for the
+ * transport being used (eg. virtio_ring), the rest are per-device feature
+ * bits. */
+#define VIRTIO_TRANSPORT_F_START        28
+#define VIRTIO_TRANSPORT_F_END          32
+
 /* Do we get callbacks when the ring is completely used, even if we've
  * suppressed them? */
 #define VIRTIO_F_NOTIFY_ON_EMPTY        24
@@ -52,9 +61,10 @@
  * @get_features: get the array of feature bits for this device.
  *      vdev: the virtio_device
  *      Returns the first 32 feature bits (all we currently need).
- * @set_features: confirm what device features we'll be using.
+ * @finalize_features: confirm what device features we'll be using.
  *      vdev: the virtio_device
- *      feature: the first 32 feature bits
+ *      This gives the final feature bits for the device: it can change
+ *      the dev->feature bits if it wants.
  */
 struct virtio_config_ops
 {
@@ -70,7 +80,7 @@ struct virtio_config_ops
                                      void (*callback)(struct virtqueue *));
         void (*del_vq)(struct virtqueue *vq);
         u32 (*get_features)(struct virtio_device *vdev);
-        void (*set_features)(struct virtio_device *vdev, u32 features);
+        void (*finalize_features)(struct virtio_device *vdev);
 };
 
 /* If driver didn't advertise the feature, it will never appear. */
diff --git a/include/linux/virtio_console.h b/include/linux/virtio_console.h
index ed2d4ead7eb7..19a0da0dba41 100644
--- a/include/linux/virtio_console.h
+++ b/include/linux/virtio_console.h
@@ -1,6 +1,8 @@
 #ifndef _LINUX_VIRTIO_CONSOLE_H
 #define _LINUX_VIRTIO_CONSOLE_H
 #include <linux/virtio_config.h>
+/* This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so
+ * anyone can use the definitions to implement compatible drivers/servers. */
 
 /* The ID for virtio console */
 #define VIRTIO_ID_CONSOLE       3
diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h
index 38c0571820fb..5e33761b9b8a 100644
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -1,5 +1,7 @@
 #ifndef _LINUX_VIRTIO_NET_H
 #define _LINUX_VIRTIO_NET_H
+/* This header is BSD licensed so anyone can use the definitions to implement
+ * compatible drivers/servers. */
 #include <linux/virtio_config.h>
 
 /* The ID for virtio_net */
diff --git a/include/linux/virtio_pci.h b/include/linux/virtio_pci.h
index b3151659cf49..cdef35742932 100644
--- a/include/linux/virtio_pci.h
+++ b/include/linux/virtio_pci.h
@@ -9,9 +9,8 @@
  * Authors:
  *  Anthony Liguori  <aliguori@us.ibm.com>
  *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- *
+ * This header is BSD licensed so anyone can use the definitions to implement
+ * compatible drivers/servers.
  */
 
 #ifndef _LINUX_VIRTIO_PCI_H
diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h
index abe481ed990e..c4a598fb3826 100644
--- a/include/linux/virtio_ring.h
+++ b/include/linux/virtio_ring.h
@@ -120,6 +120,8 @@ struct virtqueue *vring_new_virtqueue(unsigned int num,
                                       void (*notify)(struct virtqueue *vq),
                                       void (*callback)(struct virtqueue *vq));
 void vring_del_virtqueue(struct virtqueue *vq);
+/* Filter out transport-specific feature bits. */
+void vring_transport_features(struct virtio_device *vdev);
 
 irqreturn_t vring_interrupt(int irq, void *_vq);
 #endif /* __KERNEL__ */
diff --git a/include/linux/virtio_rng.h b/include/linux/virtio_rng.h
index 331afb6c9f62..1a85dab8a940 100644
--- a/include/linux/virtio_rng.h
+++ b/include/linux/virtio_rng.h
@@ -1,5 +1,7 @@
 #ifndef _LINUX_VIRTIO_RNG_H
 #define _LINUX_VIRTIO_RNG_H
+/* This header is BSD licensed so anyone can use the definitions to implement
+ * compatible drivers/servers. */
 #include <linux/virtio_config.h>
 
 /* The ID for virtio_rng */
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 14d47120682b..5c158c477ac7 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -201,6 +201,8 @@ extern int keventd_up(void);
 extern void init_workqueues(void);
 int execute_in_process_context(work_func_t fn, struct execute_work *);
 
+extern int flush_work(struct work_struct *work);
+
 extern int cancel_work_sync(struct work_struct *work);
 
 /*
diff --git a/include/mtd/ubi-user.h b/include/mtd/ubi-user.h
index a7421f130cc0..ccdc562e444e 100644
--- a/include/mtd/ubi-user.h
+++ b/include/mtd/ubi-user.h
@@ -58,6 +58,13 @@
  * device should be used. A &struct ubi_rsvol_req object has to be properly
  * filled and a pointer to it has to be passed to the IOCTL.
  *
+ * UBI volumes re-name
+ * ~~~~~~~~~~~~~~~~~~~
+ *
+ * To re-name several volumes atomically at one go, the %UBI_IOCRNVOL command
+ * of the UBI character device should be used. A &struct ubi_rnvol_req object
+ * has to be properly filled and a pointer to it has to be passed to the IOCTL.
+ *
  * UBI volume update
  * ~~~~~~~~~~~~~~~~~
  *
@@ -104,6 +111,8 @@
 #define UBI_IOCRMVOL _IOW(UBI_IOC_MAGIC, 1, int32_t)
 /* Re-size an UBI volume */
 #define UBI_IOCRSVOL _IOW(UBI_IOC_MAGIC, 2, struct ubi_rsvol_req)
+/* Re-name volumes */
+#define UBI_IOCRNVOL _IOW(UBI_IOC_MAGIC, 3, struct ubi_rnvol_req)
 
 /* IOCTL commands of the UBI control character device */
 
@@ -128,6 +137,9 @@
 /* Maximum MTD device name length supported by UBI */
 #define MAX_UBI_MTD_NAME_LEN 127
 
+/* Maximum amount of UBI volumes that can be re-named at one go */
+#define UBI_MAX_RNVOL 32
+
 /*
  * UBI data type hint constants.
  *
@@ -176,20 +188,20 @@ enum {
  * it will be 512 in case of a 2KiB page NAND flash with 4 512-byte sub-pages.
  *
  * But in rare cases, if this optimizes things, the VID header may be placed to
- * a different offset. For example, the boot-loader might do things faster if the
- * VID header sits at the end of the first 2KiB NAND page with 4 sub-pages. As
- * the boot-loader would not normally need to read EC headers (unless it needs
- * UBI in RW mode), it might be faster to calculate ECC. This is weird example,
- * but it real-life example. So, in this example, @vid_hdr_offer would be
- * 2KiB-64 bytes = 1984. Note, that this position is not even 512-bytes
- * aligned, which is OK, as UBI is clever enough to realize this is 4th sub-page
- * of the first page and add needed padding.
+ * a different offset. For example, the boot-loader might do things faster if
+ * the VID header sits at the end of the first 2KiB NAND page with 4 sub-pages.
+ * As the boot-loader would not normally need to read EC headers (unless it
+ * needs UBI in RW mode), it might be faster to calculate ECC. This is weird
+ * example, but it real-life example. So, in this example, @vid_hdr_offer would
+ * be 2KiB-64 bytes = 1984. Note, that this position is not even 512-bytes
+ * aligned, which is OK, as UBI is clever enough to realize this is 4th
+ * sub-page of the first page and add needed padding.
  */
 struct ubi_attach_req {
         int32_t ubi_num;
         int32_t mtd_num;
         int32_t vid_hdr_offset;
-        uint8_t padding[12];
+        int8_t padding[12];
 };
 
 /**
@@ -251,6 +263,48 @@ struct ubi_rsvol_req {
 } __attribute__ ((packed));
 
 /**
+ * struct ubi_rnvol_req - volumes re-name request.
+ * @count: count of volumes to re-name
+ * @padding1:  reserved for future, not used, has to be zeroed
+ * @vol_id: ID of the volume to re-name
+ * @name_len: name length
+ * @padding2:  reserved for future, not used, has to be zeroed
+ * @name: new volume name
+ *
+ * UBI allows to re-name up to %32 volumes at one go. The count of volumes to
+ * re-name is specified in the @count field. The ID of the volumes to re-name
+ * and the new names are specified in the @vol_id and @name fields.
+ *
+ * The UBI volume re-name operation is atomic, which means that should power cut
+ * happen, the volumes will have either old name or new name. So the possible
+ * use-cases of this command is atomic upgrade. Indeed, to upgrade, say, volumes
+ * A and B one may create temporary volumes %A1 and %B1 with the new contents,
+ * then atomically re-name A1->A and B1->B, in which case old %A and %B will
+ * be removed.
+ *
+ * If it is not desirable to remove old A and B, the re-name request has to
+ * contain 4 entries: A1->A, A->A1, B1->B, B->B1, in which case old A1 and B1
+ * become A and B, and old A and B will become A1 and B1.
+ *
+ * It is also OK to request: A1->A, A1->X, B1->B, B->Y, in which case old A1
+ * and B1 become A and B, and old A and B become X and Y.
+ *
+ * In other words, in case of re-naming into an existing volume name, the
+ * existing volume is removed, unless it is re-named as well at the same
+ * re-name request.
+ */
+struct ubi_rnvol_req {
+        int32_t count;
+        int8_t padding1[12];
+        struct {
+                int32_t vol_id;
+                int16_t name_len;
+                int8_t  padding2[2];
+                char    name[UBI_MAX_VOLUME_NAME + 1];
+        } ents[UBI_MAX_RNVOL];
+} __attribute__ ((packed));
+
+/**
  * struct ubi_leb_change_req - a data structure used in atomic logical
  *                             eraseblock change requests.
  * @lnum: logical eraseblock number to change
@@ -261,8 +315,8 @@ struct ubi_rsvol_req {
 struct ubi_leb_change_req {
         int32_t lnum;
         int32_t bytes;
-        uint8_t dtype;
-        uint8_t padding[7];
+        int8_t  dtype;
+        int8_t  padding[7];
 } __attribute__ ((packed));
 
 #endif /* __UBI_USER_H__ */
diff --git a/include/net/ieee80211_radiotap.h b/include/net/ieee80211_radiotap.h
index dfd8bf66ce27..d364fd594ea4 100644
--- a/include/net/ieee80211_radiotap.h
+++ b/include/net/ieee80211_radiotap.h
@@ -262,7 +262,7 @@ static inline int ieee80211_get_radiotap_len(unsigned char *data)
         struct ieee80211_radiotap_header *hdr =
                 (struct ieee80211_radiotap_header *)data;
 
-        return le16_to_cpu(get_unaligned(&hdr->it_len));
+        return get_unaligned_le16(&hdr->it_len);
 }
 
 #endif                          /* IEEE80211_RADIOTAP_H */