89 files changed, 1630 insertions, 615 deletions
diff --git a/include/asm-alpha/bug.h b/include/asm-alpha/bug.h
index 39a3e2a5017d..695a5ee4b5d3 100644
--- a/include/asm-alpha/bug.h
+++ b/include/asm-alpha/bug.h
@@ -1,14 +1,24 @@
 #ifndef _ALPHA_BUG_H
 #define _ALPHA_BUG_H
+#include <linux/linkage.h>
 #ifdef CONFIG_BUG
 #include <asm/pal.h>
 /* ??? Would be nice to use .gprel32 here, but we can't be sure that the
   function loaded the GP, so this could fail in modules.  */
-#define BUG() \
+static inline void ATTRIB_NORET __BUG(const char *file, int line)
-  __asm__ __volatile__("call_pal %0  # bugchk\n\t"".long %1\n\t.8byte %2" \
+{
-                       : : "i" (PAL_bugchk), "i"(__LINE__), "i"(__FILE__))
+        __asm__ __volatile__(
+                "call_pal %0  # bugchk\n\t"
+                ".long %1\n\t.8byte %2"
+                       : : "i" (PAL_bugchk), "i"(line), "i"(file));
+        for ( ; ; )
+                ;
+}
+#define BUG() __BUG(__FILE__, __LINE__)
 #define HAVE_ARCH_BUG
 #endif
diff --git a/include/asm-alpha/byteorder.h b/include/asm-alpha/byteorder.h
index 7af2b8d25486..58e958fc7f1b 100644
--- a/include/asm-alpha/byteorder.h
+++ b/include/asm-alpha/byteorder.h
@@ -7,7 +7,7 @@
 #ifdef __GNUC__
-static __inline __attribute_const__ __u32 __arch__swab32(__u32 x)
+static inline __attribute_const__ __u32 __arch__swab32(__u32 x)
 {
        /*
         * Unfortunately, we can't use the 6 instruction sequence
diff --git a/include/asm-alpha/pgtable.h b/include/asm-alpha/pgtable.h
index 99037b032357..05ce5fba43e3 100644
--- a/include/asm-alpha/pgtable.h
+++ b/include/asm-alpha/pgtable.h
@@ -268,6 +268,7 @@ extern inline int pte_write(pte_t pte)		{ return !(pte_val(pte) & _PAGE_FOW); }
 extern inline int pte_dirty(pte_t pte)          { return pte_val(pte) & _PAGE_DIRTY; }
 extern inline int pte_young(pte_t pte)          { return pte_val(pte) & _PAGE_ACCESSED; }
 extern inline int pte_file(pte_t pte)           { return pte_val(pte) & _PAGE_FILE; }
+extern inline int pte_special(pte_t pte)        { return 0; }
 extern inline pte_t pte_wrprotect(pte_t pte)    { pte_val(pte) |= _PAGE_FOW; return pte; }
 extern inline pte_t pte_mkclean(pte_t pte)      { pte_val(pte) &= ~(__DIRTY_BITS); return pte; }
@@ -275,6 +276,7 @@ extern inline pte_t pte_mkold(pte_t pte)	{ pte_val(pte) &= ~(__ACCESS_BITS); ret
 extern inline pte_t pte_mkwrite(pte_t pte)      { pte_val(pte) &= ~_PAGE_FOW; return pte; }
 extern inline pte_t pte_mkdirty(pte_t pte)      { pte_val(pte) |= __DIRTY_BITS; return pte; }
 extern inline pte_t pte_mkyoung(pte_t pte)      { pte_val(pte) |= __ACCESS_BITS; return pte; }
+extern inline pte_t pte_mkspecial(pte_t pte)    { return pte; }
 #define PAGE_DIR_OFFSET(tsk,address) pgd_offset((tsk),(address))
diff --git a/include/asm-arm/pgtable.h b/include/asm-arm/pgtable.h
index 5e0182485d8c..5571c13c3f3b 100644
--- a/include/asm-arm/pgtable.h
+++ b/include/asm-arm/pgtable.h
@@ -260,6 +260,7 @@ extern struct page *empty_zero_page;
 #define pte_write(pte)          (pte_val(pte) & L_PTE_WRITE)
 #define pte_dirty(pte)          (pte_val(pte) & L_PTE_DIRTY)
 #define pte_young(pte)          (pte_val(pte) & L_PTE_YOUNG)
+#define pte_special(pte)        (0)
 /*
 * The following only works if pte_present() is not true.
@@ -280,6 +281,8 @@ PTE_BIT_FUNC(mkdirty,   |= L_PTE_DIRTY);
 PTE_BIT_FUNC(mkold,     &= ~L_PTE_YOUNG);
 PTE_BIT_FUNC(mkyoung,   |= L_PTE_YOUNG);
+static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
 /*
 * Mark the prot value as uncacheable and unbufferable.
 */
diff --git a/include/asm-avr32/pgtable.h b/include/asm-avr32/pgtable.h
index 3ae7b548fce7..c0e5e29417df 100644
--- a/include/asm-avr32/pgtable.h
+++ b/include/asm-avr32/pgtable.h
@@ -212,6 +212,10 @@ static inline int pte_young(pte_t pte)
 {
        return pte_val(pte) & _PAGE_ACCESSED;
 }
+static inline int pte_special(pte_t pte)
+{
+        return 0;
+}
 /*
 * The following only work if pte_present() is not true.
@@ -252,6 +256,10 @@ static inline pte_t pte_mkyoung(pte_t pte)
        set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED));
        return pte;
 }
+static inline pte_t pte_mkspecial(pte_t pte)
+{
+        return pte;
+}
 #define pmd_none(x)     (!pmd_val(x))
 #define pmd_present(x)  (pmd_val(x) & _PAGE_PRESENT)
diff --git a/include/asm-cris/pgtable.h b/include/asm-cris/pgtable.h
index a2607575681b..829e7a7d9fb9 100644
--- a/include/asm-cris/pgtable.h
+++ b/include/asm-cris/pgtable.h
@@ -115,6 +115,7 @@ static inline int pte_write(pte_t pte)          { return pte_val(pte) & _PAGE_WR
 static inline int pte_dirty(pte_t pte)          { return pte_val(pte) & _PAGE_MODIFIED; }
 static inline int pte_young(pte_t pte)          { return pte_val(pte) & _PAGE_ACCESSED; }
 static inline int pte_file(pte_t pte)           { return pte_val(pte) & _PAGE_FILE; }
+static inline int pte_special(pte_t pte)        { return 0; }
 static inline pte_t pte_wrprotect(pte_t pte)
 {
@@ -162,6 +163,7 @@ static inline pte_t pte_mkyoung(pte_t pte)
        }
        return pte;
 }
+static inline pte_t pte_mkspecial(pte_t pte)    { return pte; }
 /*
 * Conversion functions: convert a page and protection to a page entry,
@@ -229,7 +231,7 @@ static inline void pmd_set(pmd_t * pmdp, pte_t * ptep)
 #define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
 /* to find an entry in a page-table-directory */
-static inline pgd_t * pgd_offset(struct mm_struct * mm, unsigned long address)
+static inline pgd_t * pgd_offset(const struct mm_struct *mm, unsigned long address)
 {
        return mm->pgd + pgd_index(address);
 }
diff --git a/include/asm-frv/pgtable.h b/include/asm-frv/pgtable.h
index 4e219046fe42..83c51aba534b 100644
--- a/include/asm-frv/pgtable.h
+++ b/include/asm-frv/pgtable.h
@@ -380,6 +380,7 @@ static inline pmd_t *pmd_offset(pud_t *dir, unsigned long address)
 static inline int pte_dirty(pte_t pte)          { return (pte).pte & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte)          { return (pte).pte & _PAGE_ACCESSED; }
 static inline int pte_write(pte_t pte)          { return !((pte).pte & _PAGE_WP); }
+static inline int pte_special(pte_t pte)        { return 0; }
 static inline pte_t pte_mkclean(pte_t pte)      { (pte).pte &= ~_PAGE_DIRTY; return pte; }
 static inline pte_t pte_mkold(pte_t pte)        { (pte).pte &= ~_PAGE_ACCESSED; return pte; }
@@ -387,6 +388,7 @@ static inline pte_t pte_wrprotect(pte_t pte)	{ (pte).pte |= _PAGE_WP; return pte
 static inline pte_t pte_mkdirty(pte_t pte)      { (pte).pte |= _PAGE_DIRTY; return pte; }
 static inline pte_t pte_mkyoung(pte_t pte)      { (pte).pte |= _PAGE_ACCESSED; return pte; }
 static inline pte_t pte_mkwrite(pte_t pte)      { (pte).pte &= ~_PAGE_WP; return pte; }
+static inline pte_t pte_mkspecial(pte_t pte)    { return pte; }
 static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep)
 {
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index f29a502f4a6c..ecf675a59d21 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -16,7 +16,14 @@
 #define ARCH_NR_GPIOS           256
 #endif
+static inline int gpio_is_valid(int number)
+{
+        /* only some non-negative numbers are valid */
+        return ((unsigned)number) < ARCH_NR_GPIOS;
+}
 struct seq_file;
+struct module;
 /**
 * struct gpio_chip - abstract a GPIO controller
@@ -48,6 +55,7 @@ struct seq_file;
 */
 struct gpio_chip {
        char                    *label;
+        struct module           *owner;
        int                     (*direction_input)(struct gpio_chip *chip,
                                                unsigned offset);
@@ -66,6 +74,7 @@ struct gpio_chip {
 extern const char *gpiochip_is_requested(struct gpio_chip *chip,
                        unsigned offset);
+extern int __init __must_check gpiochip_reserve(int start, int ngpio);
 /* add/remove chips */
 extern int gpiochip_add(struct gpio_chip *chip);
@@ -97,6 +106,12 @@ extern int __gpio_cansleep(unsigned gpio);
 #else
+static inline int gpio_is_valid(int number)
+{
+        /* only non-negative numbers are valid */
+        return number >= 0;
+}
 /* platforms that don't directly support access to GPIOs through I2C, SPI,
 * or other blocking infrastructure can use these wrappers.
 */
diff --git a/include/asm-ia64/hugetlb.h b/include/asm-ia64/hugetlb.h
new file mode 100644
index 000000000000..f28a9701f1cf
--- /dev/null
+++ b/include/asm-ia64/hugetlb.h
@@ -0,0 +1,79 @@
+#ifndef _ASM_IA64_HUGETLB_H
+#define _ASM_IA64_HUGETLB_H
+#include <asm/page.h>
+void hugetlb_free_pgd_range(struct mmu_gather **tlb, unsigned long addr,
+                            unsigned long end, unsigned long floor,
+                            unsigned long ceiling);
+int prepare_hugepage_range(unsigned long addr, unsigned long len);
+static inline int is_hugepage_only_range(struct mm_struct *mm,
+                                         unsigned long addr,
+                                         unsigned long len)
+{
+        return (REGION_NUMBER(addr) == RGN_HPAGE ||
+                REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE);
+}
+static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
+{
+}
+static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
+                                   pte_t *ptep, pte_t pte)
+{
+        set_pte_at(mm, addr, ptep, pte);
+}
+static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
+                                            unsigned long addr, pte_t *ptep)
+{
+        return ptep_get_and_clear(mm, addr, ptep);
+}
+static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
+                                         unsigned long addr, pte_t *ptep)
+{
+}
+static inline int huge_pte_none(pte_t pte)
+{
+        return pte_none(pte);
+}
+static inline pte_t huge_pte_wrprotect(pte_t pte)
+{
+        return pte_wrprotect(pte);
+}
+static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
+                                           unsigned long addr, pte_t *ptep)
+{
+        ptep_set_wrprotect(mm, addr, ptep);
+}
+static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
+                                             unsigned long addr, pte_t *ptep,
+                                             pte_t pte, int dirty)
+{
+        return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
+}
+static inline pte_t huge_ptep_get(pte_t *ptep)
+{
+        return *ptep;
+}
+static inline int arch_prepare_hugepage(struct page *page)
+{
+        return 0;
+}
+static inline void arch_release_hugepage(struct page *page)
+{
+}
+#endif /* _ASM_IA64_HUGETLB_H */
diff --git a/include/asm-ia64/page.h b/include/asm-ia64/page.h
index 4999a6c63775..36f39321b768 100644
--- a/include/asm-ia64/page.h
+++ b/include/asm-ia64/page.h
@@ -54,9 +54,6 @@
 # define HPAGE_MASK             (~(HPAGE_SIZE - 1))
 # define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
-# define ARCH_HAS_HUGEPAGE_ONLY_RANGE
-# define ARCH_HAS_PREPARE_HUGEPAGE_RANGE
-# define ARCH_HAS_HUGETLB_FREE_PGD_RANGE
 #endif /* CONFIG_HUGETLB_PAGE */
 #ifdef __ASSEMBLY__
@@ -153,9 +150,6 @@ typedef union ia64_va {
 # define htlbpage_to_page(x)    (((unsigned long) REGION_NUMBER(x) << 61)                       \
                                 | (REGION_OFFSET(x) >> (HPAGE_SHIFT-PAGE_SHIFT)))
 # define HUGETLB_PAGE_ORDER     (HPAGE_SHIFT - PAGE_SHIFT)
-# define is_hugepage_only_range(mm, addr, len)          \
-         (REGION_NUMBER(addr) == RGN_HPAGE ||   \
-          REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE)
 extern unsigned int hpage_shift;
 #endif
diff --git a/include/asm-ia64/pgtable.h b/include/asm-ia64/pgtable.h
index ed70862ea247..7a9bff47564f 100644
--- a/include/asm-ia64/pgtable.h
+++ b/include/asm-ia64/pgtable.h
@@ -302,6 +302,8 @@ ia64_phys_addr_valid (unsigned long addr)
 #define pte_dirty(pte)          ((pte_val(pte) & _PAGE_D) != 0)
 #define pte_young(pte)          ((pte_val(pte) & _PAGE_A) != 0)
 #define pte_file(pte)           ((pte_val(pte) & _PAGE_FILE) != 0)
+#define pte_special(pte)        0
 /*
 * Note: we convert AR_RWX to AR_RX and AR_RW to AR_R by clearing the 2nd bit in the
 * access rights:
@@ -313,6 +315,7 @@ ia64_phys_addr_valid (unsigned long addr)
 #define pte_mkclean(pte)        (__pte(pte_val(pte) & ~_PAGE_D))
 #define pte_mkdirty(pte)        (__pte(pte_val(pte) | _PAGE_D))
 #define pte_mkhuge(pte)         (__pte(pte_val(pte)))
+#define pte_mkspecial(pte)      (pte)
 /*
 * Because ia64's Icache and Dcache is not coherent (on a cpu), we need to
diff --git a/include/asm-ia64/system.h b/include/asm-ia64/system.h
index dff8128fa58e..26e250bfb912 100644
--- a/include/asm-ia64/system.h
+++ b/include/asm-ia64/system.h
@@ -146,23 +146,23 @@ do {						\
 # define local_irq_save(x)                                      \
 do {                                                            \
-        unsigned long psr;                                      \
+        unsigned long __psr;                                    \
                                                                \
-        __local_irq_save(psr);                                  \
+        __local_irq_save(__psr);                                \
-        if (psr & IA64_PSR_I)                                   \
+        if (__psr & IA64_PSR_I)                                 \
                __save_ip();                                    \
-        (x) = psr;                                              \
+        (x) = __psr;                                            \
 } while (0)
-# define local_irq_disable()    do { unsigned long x; local_irq_save(x); } while (0)
+# define local_irq_disable()    do { unsigned long __x; local_irq_save(__x); } while (0)
 # define local_irq_restore(x)                                   \
 do {                                                            \
-        unsigned long old_psr, psr = (x);                       \
+        unsigned long __old_psr, __psr = (x);                   \
                                                                \
-        local_save_flags(old_psr);                              \
+        local_save_flags(__old_psr);                            \
-        __local_irq_restore(psr);                               \
+        __local_irq_restore(__psr);                             \
-        if ((old_psr & IA64_PSR_I) && !(psr & IA64_PSR_I))      \
+        if ((__old_psr & IA64_PSR_I) && !(__psr & IA64_PSR_I))  \
                __save_ip();                                    \
 } while (0)
diff --git a/include/asm-m32r/pgtable.h b/include/asm-m32r/pgtable.h
index 86505387be08..e6359c566b50 100644
--- a/include/asm-m32r/pgtable.h
+++ b/include/asm-m32r/pgtable.h
@@ -214,6 +214,11 @@ static inline int pte_file(pte_t pte)
        return pte_val(pte) & _PAGE_FILE;
 }
+static inline int pte_special(pte_t pte)
+{
+        return 0;
+}
 static inline pte_t pte_mkclean(pte_t pte)
 {
        pte_val(pte) &= ~_PAGE_DIRTY;
@@ -250,6 +255,11 @@ static inline pte_t pte_mkwrite(pte_t pte)
        return pte;
 }
+static inline pte_t pte_mkspecial(pte_t pte)
+{
+        return pte;
+}
 static inline  int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep)
 {
        return test_and_clear_bit(_PAGE_BIT_ACCESSED, ptep);
diff --git a/include/asm-m68k/motorola_pgtable.h b/include/asm-m68k/motorola_pgtable.h
index 13135d4821d8..8e9a8a754dde 100644
--- a/include/asm-m68k/motorola_pgtable.h
+++ b/include/asm-m68k/motorola_pgtable.h
@@ -168,6 +168,7 @@ static inline int pte_write(pte_t pte)		{ return !(pte_val(pte) & _PAGE_RONLY);
 static inline int pte_dirty(pte_t pte)          { return pte_val(pte) & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte)          { return pte_val(pte) & _PAGE_ACCESSED; }
 static inline int pte_file(pte_t pte)           { return pte_val(pte) & _PAGE_FILE; }
+static inline int pte_special(pte_t pte)        { return 0; }
 static inline pte_t pte_wrprotect(pte_t pte)    { pte_val(pte) |= _PAGE_RONLY; return pte; }
 static inline pte_t pte_mkclean(pte_t pte)      { pte_val(pte) &= ~_PAGE_DIRTY; return pte; }
@@ -185,6 +186,7 @@ static inline pte_t pte_mkcache(pte_t pte)
        pte_val(pte) = (pte_val(pte) & _CACHEMASK040) | m68k_supervisor_cachemode;
        return pte;
 }
+static inline pte_t pte_mkspecial(pte_t pte)    { return pte; }
 #define PAGE_DIR_OFFSET(tsk,address) pgd_offset((tsk),(address))
diff --git a/include/asm-m68k/sun3_pgtable.h b/include/asm-m68k/sun3_pgtable.h
index b766fc261bde..f847ec732d62 100644
--- a/include/asm-m68k/sun3_pgtable.h
+++ b/include/asm-m68k/sun3_pgtable.h
@@ -169,6 +169,7 @@ static inline int pte_write(pte_t pte)		{ return pte_val(pte) & SUN3_PAGE_WRITEA
 static inline int pte_dirty(pte_t pte)          { return pte_val(pte) & SUN3_PAGE_MODIFIED; }
 static inline int pte_young(pte_t pte)          { return pte_val(pte) & SUN3_PAGE_ACCESSED; }
 static inline int pte_file(pte_t pte)           { return pte_val(pte) & SUN3_PAGE_ACCESSED; }
+static inline int pte_special(pte_t pte)        { return 0; }
 static inline pte_t pte_wrprotect(pte_t pte)    { pte_val(pte) &= ~SUN3_PAGE_WRITEABLE; return pte; }
 static inline pte_t pte_mkclean(pte_t pte)      { pte_val(pte) &= ~SUN3_PAGE_MODIFIED; return pte; }
@@ -181,6 +182,7 @@ static inline pte_t pte_mknocache(pte_t pte)	{ pte_val(pte) |= SUN3_PAGE_NOCACHE
 //static inline pte_t pte_mkcache(pte_t pte)    { pte_val(pte) &= SUN3_PAGE_NOCACHE; return pte; }
 // until then, use:
 static inline pte_t pte_mkcache(pte_t pte)      { return pte; }
+static inline pte_t pte_mkspecial(pte_t pte)    { return pte; }
 extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
 extern pgd_t kernel_pg_dir[PTRS_PER_PGD];
diff --git a/include/asm-mips/pgtable.h b/include/asm-mips/pgtable.h
index 17a7703a2969..782221e57c0a 100644
--- a/include/asm-mips/pgtable.h
+++ b/include/asm-mips/pgtable.h
@@ -285,6 +285,8 @@ static inline pte_t pte_mkyoung(pte_t pte)
        return pte;
 }
 #endif
+static inline int pte_special(pte_t pte)        { return 0; }
+static inline pte_t pte_mkspecial(pte_t pte)    { return pte; }
 /*
 * Macro to make mark a page protection value as "uncacheable".  Note
diff --git a/include/asm-mips/vr41xx/siu.h b/include/asm-mips/vr41xx/siu.h
index 98cdb4096485..da9f6e373409 100644
--- a/include/asm-mips/vr41xx/siu.h
+++ b/include/asm-mips/vr41xx/siu.h
@@ -1,7 +1,7 @@
 /*
 *  Include file for NEC VR4100 series Serial Interface Unit.
 *
- *  Copyright (C) 2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *  Copyright (C) 2005-2008  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
 *
 *  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
@@ -49,4 +49,10 @@ typedef enum {
 extern void vr41xx_select_irda_module(irda_module_t module, irda_speed_t speed);
+#ifdef CONFIG_SERIAL_VR41XX_CONSOLE
+extern void vr41xx_siu_early_setup(struct uart_port *port);
+#else
+static inline void vr41xx_siu_early_setup(struct uart_port *port) {}
+#endif
 #endif /* __NEC_VR41XX_SIU_H */
diff --git a/include/asm-mips/vr41xx/vr41xx.h b/include/asm-mips/vr41xx/vr41xx.h
index 88b492f6ea9c..22be64971cc6 100644
--- a/include/asm-mips/vr41xx/vr41xx.h
+++ b/include/asm-mips/vr41xx/vr41xx.h
@@ -7,7 +7,7 @@
 * Copyright (C) 2001, 2002 Paul Mundt
 * Copyright (C) 2002 MontaVista Software, Inc.
 * Copyright (C) 2002 TimeSys Corp.
- * Copyright (C) 2003-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ * Copyright (C) 2003-2008 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
 *
 * 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
@@ -143,4 +143,10 @@ extern void vr41xx_disable_csiint(uint16_t mask);
 extern void vr41xx_enable_bcuint(void);
 extern void vr41xx_disable_bcuint(void);
+#ifdef CONFIG_SERIAL_VR41XX_CONSOLE
+extern void vr41xx_siu_setup(void);
+#else
+static inline void vr41xx_siu_setup(void) {}
+#endif
 #endif /* __NEC_VR41XX_H */
diff --git a/include/asm-mn10300/pgtable.h b/include/asm-mn10300/pgtable.h
index 375c4941deda..6dc30fc827c4 100644
--- a/include/asm-mn10300/pgtable.h
+++ b/include/asm-mn10300/pgtable.h
@@ -224,6 +224,7 @@ static inline int pte_read(pte_t pte)	{ return pte_val(pte) & __PAGE_PROT_USER;
 static inline int pte_dirty(pte_t pte)  { return pte_val(pte) & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte)  { return pte_val(pte) & _PAGE_ACCESSED; }
 static inline int pte_write(pte_t pte)  { return pte_val(pte) & __PAGE_PROT_WRITE; }
+static inline int pte_special(pte_t pte){ return 0; }
 /*
 * The following only works if pte_present() is not true.
@@ -265,6 +266,8 @@ static inline pte_t pte_mkwrite(pte_t pte)
        return pte;
 }
+static inline pte_t pte_mkspecial(pte_t pte)    { return pte; }
 #define pte_ERROR(e) \
        printk(KERN_ERR "%s:%d: bad pte %08lx.\n", \
               __FILE__, __LINE__, pte_val(e))
diff --git a/include/asm-parisc/pgtable.h b/include/asm-parisc/pgtable.h
index dc86adbec916..470a4b88124d 100644
--- a/include/asm-parisc/pgtable.h
+++ b/include/asm-parisc/pgtable.h
@@ -323,6 +323,7 @@ static inline int pte_dirty(pte_t pte)		{ return pte_val(pte) & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte)          { return pte_val(pte) & _PAGE_ACCESSED; }
 static inline int pte_write(pte_t pte)          { return pte_val(pte) & _PAGE_WRITE; }
 static inline int pte_file(pte_t pte)           { return pte_val(pte) & _PAGE_FILE; }
+static inline int pte_special(pte_t pte)        { return 0; }
 static inline pte_t pte_mkclean(pte_t pte)      { pte_val(pte) &= ~_PAGE_DIRTY; return pte; }
 static inline pte_t pte_mkold(pte_t pte)        { pte_val(pte) &= ~_PAGE_ACCESSED; return pte; }
@@ -330,6 +331,7 @@ static inline pte_t pte_wrprotect(pte_t pte)	{ pte_val(pte) &= ~_PAGE_WRITE; ret
 static inline pte_t pte_mkdirty(pte_t pte)      { pte_val(pte) |= _PAGE_DIRTY; return pte; }
 static inline pte_t pte_mkyoung(pte_t pte)      { pte_val(pte) |= _PAGE_ACCESSED; return pte; }
 static inline pte_t pte_mkwrite(pte_t pte)      { pte_val(pte) |= _PAGE_WRITE; return pte; }
+static inline pte_t pte_mkspecial(pte_t pte)    { return pte; }
 /*
 * Conversion functions: convert a page and protection to a page entry,
diff --git a/include/asm-powerpc/hugetlb.h b/include/asm-powerpc/hugetlb.h
new file mode 100644
index 000000000000..649c6c3b87b3
--- /dev/null
+++ b/include/asm-powerpc/hugetlb.h
@@ -0,0 +1,79 @@
+#ifndef _ASM_POWERPC_HUGETLB_H
+#define _ASM_POWERPC_HUGETLB_H
+#include <asm/page.h>
+int is_hugepage_only_range(struct mm_struct *mm, unsigned long addr,
+                           unsigned long len);
+void hugetlb_free_pgd_range(struct mmu_gather **tlb, unsigned long addr,
+                            unsigned long end, unsigned long floor,
+                            unsigned long ceiling);
+void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
+                     pte_t *ptep, pte_t pte);
+pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
+                              pte_t *ptep);
+/*
+ * If the arch doesn't supply something else, assume that hugepage
+ * size aligned regions are ok without further preparation.
+ */
+static inline int prepare_hugepage_range(unsigned long addr, unsigned long len)
+{
+        if (len & ~HPAGE_MASK)
+                return -EINVAL;
+        if (addr & ~HPAGE_MASK)
+                return -EINVAL;
+        return 0;
+}
+static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
+{
+}
+static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
+                                         unsigned long addr, pte_t *ptep)
+{
+}
+static inline int huge_pte_none(pte_t pte)
+{
+        return pte_none(pte);
+}
+static inline pte_t huge_pte_wrprotect(pte_t pte)
+{
+        return pte_wrprotect(pte);
+}
+static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
+                                           unsigned long addr, pte_t *ptep)
+{
+        ptep_set_wrprotect(mm, addr, ptep);
+}
+static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
+                                             unsigned long addr, pte_t *ptep,
+                                             pte_t pte, int dirty)
+{
+        return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
+}
+static inline pte_t huge_ptep_get(pte_t *ptep)
+{
+        return *ptep;
+}
+static inline int arch_prepare_hugepage(struct page *page)
+{
+        return 0;
+}
+static inline void arch_release_hugepage(struct page *page)
+{
+}
+#endif /* _ASM_POWERPC_HUGETLB_H */
diff --git a/include/asm-powerpc/page_64.h b/include/asm-powerpc/page_64.h
index 67834eae5702..25af4fc8daf4 100644
--- a/include/asm-powerpc/page_64.h
+++ b/include/asm-powerpc/page_64.h
@@ -128,11 +128,6 @@ extern void slice_init_context(struct mm_struct *mm, unsigned int psize);
 extern void slice_set_user_psize(struct mm_struct *mm, unsigned int psize);
 #define slice_mm_new_context(mm)        ((mm)->context.id == 0)
-#define ARCH_HAS_HUGEPAGE_ONLY_RANGE
-extern int is_hugepage_only_range(struct mm_struct *m,
-                                  unsigned long addr,
-                                  unsigned long len);
 #endif /* __ASSEMBLY__ */
 #else
 #define slice_init()
@@ -146,8 +141,6 @@ do {						\
 #ifdef CONFIG_HUGETLB_PAGE
-#define ARCH_HAS_HUGETLB_FREE_PGD_RANGE
-#define ARCH_HAS_SETCLEAR_HUGE_PTE
 #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
 #endif /* !CONFIG_HUGETLB_PAGE */
diff --git a/include/asm-powerpc/pgtable-ppc32.h b/include/asm-powerpc/pgtable-ppc32.h
index daea7692d070..7c97b5a08d08 100644
--- a/include/asm-powerpc/pgtable-ppc32.h
+++ b/include/asm-powerpc/pgtable-ppc32.h
@@ -504,6 +504,7 @@ static inline int pte_write(pte_t pte)		{ return pte_val(pte) & _PAGE_RW; }
 static inline int pte_dirty(pte_t pte)          { return pte_val(pte) & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte)          { return pte_val(pte) & _PAGE_ACCESSED; }
 static inline int pte_file(pte_t pte)           { return pte_val(pte) & _PAGE_FILE; }
+static inline int pte_special(pte_t pte)        { return 0; }
 static inline void pte_uncache(pte_t pte)       { pte_val(pte) |= _PAGE_NO_CACHE; }
 static inline void pte_cache(pte_t pte)         { pte_val(pte) &= ~_PAGE_NO_CACHE; }
@@ -521,6 +522,8 @@ static inline pte_t pte_mkdirty(pte_t pte) {
        pte_val(pte) |= _PAGE_DIRTY; return pte; }
 static inline pte_t pte_mkyoung(pte_t pte) {
        pte_val(pte) |= _PAGE_ACCESSED; return pte; }
+static inline pte_t pte_mkspecial(pte_t pte) {
+        return pte; }
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {
diff --git a/include/asm-powerpc/pgtable-ppc64.h b/include/asm-powerpc/pgtable-ppc64.h
index dd4c26dc57d2..27f18695f7d6 100644
--- a/include/asm-powerpc/pgtable-ppc64.h
+++ b/include/asm-powerpc/pgtable-ppc64.h
@@ -239,6 +239,7 @@ static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_RW;}
 static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY;}
 static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED;}
 static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE;}
+static inline int pte_special(pte_t pte) { return 0; }
 static inline void pte_uncache(pte_t pte) { pte_val(pte) |= _PAGE_NO_CACHE; }
 static inline void pte_cache(pte_t pte)   { pte_val(pte) &= ~_PAGE_NO_CACHE; }
@@ -257,6 +258,8 @@ static inline pte_t pte_mkyoung(pte_t pte) {
        pte_val(pte) |= _PAGE_ACCESSED; return pte; }
 static inline pte_t pte_mkhuge(pte_t pte) {
        return pte; }
+static inline pte_t pte_mkspecial(pte_t pte) {
+        return pte; }
 /* Atomic PTE updates */
 static inline unsigned long pte_update(struct mm_struct *mm,
diff --git a/include/asm-ppc/pgtable.h b/include/asm-ppc/pgtable.h
index 70435d32129a..55f9d38e3bf8 100644
--- a/include/asm-ppc/pgtable.h
+++ b/include/asm-ppc/pgtable.h
@@ -483,6 +483,7 @@ static inline int pte_write(pte_t pte)		{ return pte_val(pte) & _PAGE_RW; }
 static inline int pte_dirty(pte_t pte)          { return pte_val(pte) & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte)          { return pte_val(pte) & _PAGE_ACCESSED; }
 static inline int pte_file(pte_t pte)           { return pte_val(pte) & _PAGE_FILE; }
+static inline int pte_special(pte_t pte)        { return 0; }
 static inline void pte_uncache(pte_t pte)       { pte_val(pte) |= _PAGE_NO_CACHE; }
 static inline void pte_cache(pte_t pte)         { pte_val(pte) &= ~_PAGE_NO_CACHE; }
@@ -500,6 +501,8 @@ static inline pte_t pte_mkdirty(pte_t pte) {
        pte_val(pte) |= _PAGE_DIRTY; return pte; }
 static inline pte_t pte_mkyoung(pte_t pte) {
        pte_val(pte) |= _PAGE_ACCESSED; return pte; }
+static inline pte_t pte_mkspecial(pte_t pte) {
+        return pte; }
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {
diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h
index 4c0698c0dda5..f8347ce9c5a1 100644
--- a/include/asm-s390/pgtable.h
+++ b/include/asm-s390/pgtable.h
@@ -220,6 +220,8 @@ extern char empty_zero_page[PAGE_SIZE];
 /* Software bits in the page table entry */
 #define _PAGE_SWT       0x001           /* SW pte type bit t */
 #define _PAGE_SWX       0x002           /* SW pte type bit x */
+#define _PAGE_SPECIAL   0x004           /* SW associated with special page */
+#define __HAVE_ARCH_PTE_SPECIAL
 /* Six different types of pages. */
 #define _PAGE_TYPE_EMPTY        0x400
@@ -518,6 +520,11 @@ static inline int pte_file(pte_t pte)
        return (pte_val(pte) & mask) == _PAGE_TYPE_FILE;
 }
+static inline int pte_special(pte_t pte)
+{
+        return (pte_val(pte) & _PAGE_SPECIAL);
+}
 #define __HAVE_ARCH_PTE_SAME
 #define pte_same(a,b)  (pte_val(a) == pte_val(b))
@@ -715,6 +722,12 @@ static inline pte_t pte_mkyoung(pte_t pte)
        return pte;
 }
+static inline pte_t pte_mkspecial(pte_t pte)
+{
+        pte_val(pte) |= _PAGE_SPECIAL;
+        return pte;
+}
 #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
 static inline int ptep_test_and_clear_young(struct vm_area_struct *vma,
                                            unsigned long addr, pte_t *ptep)
diff --git a/include/asm-sh/hugetlb.h b/include/asm-sh/hugetlb.h
new file mode 100644
index 000000000000..02402303d89b
--- /dev/null
+++ b/include/asm-sh/hugetlb.h
@@ -0,0 +1,91 @@
+#ifndef _ASM_SH_HUGETLB_H
+#define _ASM_SH_HUGETLB_H
+#include <asm/page.h>
+static inline int is_hugepage_only_range(struct mm_struct *mm,
+                                         unsigned long addr,
+                                         unsigned long len) {
+        return 0;
+}
+/*
+ * If the arch doesn't supply something else, assume that hugepage
+ * size aligned regions are ok without further preparation.
+ */
+static inline int prepare_hugepage_range(unsigned long addr, unsigned long len)
+{
+        if (len & ~HPAGE_MASK)
+                return -EINVAL;
+        if (addr & ~HPAGE_MASK)
+                return -EINVAL;
+        return 0;
+}
+static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) {
+}
+static inline void hugetlb_free_pgd_range(struct mmu_gather **tlb,
+                                          unsigned long addr, unsigned long end,
+                                          unsigned long floor,
+                                          unsigned long ceiling)
+{
+        free_pgd_range(tlb, addr, end, floor, ceiling);
+}
+static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
+                                   pte_t *ptep, pte_t pte)
+{
+        set_pte_at(mm, addr, ptep, pte);
+}
+static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
+                                            unsigned long addr, pte_t *ptep)
+{
+        return ptep_get_and_clear(mm, addr, ptep);
+}
+static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
+                                         unsigned long addr, pte_t *ptep)
+{
+}
+static inline int huge_pte_none(pte_t pte)
+{
+        return pte_none(pte);
+}
+static inline pte_t huge_pte_wrprotect(pte_t pte)
+{
+        return pte_wrprotect(pte);
+}
+static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
+                                           unsigned long addr, pte_t *ptep)
+{
+        ptep_set_wrprotect(mm, addr, ptep);
+}
+static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
+                                             unsigned long addr, pte_t *ptep,
+                                             pte_t pte, int dirty)
+{
+        return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
+}
+static inline pte_t huge_ptep_get(pte_t *ptep)
+{
+        return *ptep;
+}
+static inline int arch_prepare_hugepage(struct page *page)
+{
+        return 0;
+}
+static inline void arch_release_hugepage(struct page *page)
+{
+}
+#endif /* _ASM_SH_HUGETLB_H */
diff --git a/include/asm-sh/pgtable_32.h b/include/asm-sh/pgtable_32.h
index 3e3557c53c55..cbc731d35c25 100644
--- a/include/asm-sh/pgtable_32.h
+++ b/include/asm-sh/pgtable_32.h
@@ -326,6 +326,7 @@ static inline void set_pte(pte_t *ptep, pte_t pte)
 #define pte_dirty(pte)          ((pte).pte_low & _PAGE_DIRTY)
 #define pte_young(pte)          ((pte).pte_low & _PAGE_ACCESSED)
 #define pte_file(pte)           ((pte).pte_low & _PAGE_FILE)
+#define pte_special(pte)        (0)
 #ifdef CONFIG_X2TLB
 #define pte_write(pte)          ((pte).pte_high & _PAGE_EXT_USER_WRITE)
@@ -356,6 +357,8 @@ PTE_BIT_FUNC(low, mkdirty, |= _PAGE_DIRTY);
 PTE_BIT_FUNC(low, mkold, &= ~_PAGE_ACCESSED);
 PTE_BIT_FUNC(low, mkyoung, |= _PAGE_ACCESSED);
+static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
 /*
 * Macro and implementation to make a page protection as uncachable.
 */
diff --git a/include/asm-sh/pgtable_64.h b/include/asm-sh/pgtable_64.h
index f9dd9d311441..c78990cda557 100644
--- a/include/asm-sh/pgtable_64.h
+++ b/include/asm-sh/pgtable_64.h
@@ -254,10 +254,11 @@ extern void __handle_bad_pmd_kernel(pmd_t * pmd);
 /*
 * The following have defined behavior only work if pte_present() is true.
 */
-static inline int pte_dirty(pte_t pte){ return pte_val(pte) & _PAGE_DIRTY; }
+static inline int pte_dirty(pte_t pte)  { return pte_val(pte) & _PAGE_DIRTY; }
-static inline int pte_young(pte_t pte){ return pte_val(pte) & _PAGE_ACCESSED; }
+static inline int pte_young(pte_t pte)  { return pte_val(pte) & _PAGE_ACCESSED; }
-static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; }
+static inline int pte_file(pte_t pte)   { return pte_val(pte) & _PAGE_FILE; }
-static inline int pte_write(pte_t pte){ return pte_val(pte) & _PAGE_WRITE; }
+static inline int pte_write(pte_t pte)  { return pte_val(pte) & _PAGE_WRITE; }
+static inline int pte_special(pte_t pte){ return 0; }
 static inline pte_t pte_wrprotect(pte_t pte)    { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_WRITE)); return pte; }
 static inline pte_t pte_mkclean(pte_t pte)      { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_DIRTY)); return pte; }
@@ -266,6 +267,7 @@ static inline pte_t pte_mkwrite(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) |
 static inline pte_t pte_mkdirty(pte_t pte)      { set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY)); return pte; }
 static inline pte_t pte_mkyoung(pte_t pte)      { set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED)); return pte; }
 static inline pte_t pte_mkhuge(pte_t pte)       { set_pte(&pte, __pte(pte_val(pte) | _PAGE_SZHUGE)); return pte; }
+static inline pte_t pte_mkspecial(pte_t pte)    { return pte; }
 /*
diff --git a/include/asm-sparc/pgtable.h b/include/asm-sparc/pgtable.h
index 2cc235b74d94..d84af6d95f5c 100644
--- a/include/asm-sparc/pgtable.h
+++ b/include/asm-sparc/pgtable.h
@@ -219,6 +219,11 @@ static inline int pte_file(pte_t pte)
        return pte_val(pte) & BTFIXUP_HALF(pte_filei);
 }
+static inline int pte_special(pte_t pte)
+{
+        return 0;
+}
 /*
 */
 BTFIXUPDEF_HALF(pte_wrprotecti)
@@ -251,6 +256,8 @@ BTFIXUPDEF_CALL_CONST(pte_t, pte_mkyoung, pte_t)
 #define pte_mkdirty(pte) BTFIXUP_CALL(pte_mkdirty)(pte)
 #define pte_mkyoung(pte) BTFIXUP_CALL(pte_mkyoung)(pte)
+#define pte_mkspecial(pte)    (pte)
 #define pfn_pte(pfn, prot)              mk_pte(pfn_to_page(pfn), prot)
 BTFIXUPDEF_CALL(unsigned long,   pte_pfn, pte_t)
diff --git a/include/asm-sparc/processor.h b/include/asm-sparc/processor.h
index e3006979709b..8898efbbbe07 100644
--- a/include/asm-sparc/processor.h
+++ b/include/asm-sparc/processor.h
@@ -1,5 +1,4 @@
-/* $Id: processor.h,v 1.83 2001/10/08 09:32:13 davem Exp $
+/* include/asm-sparc/processor.h
- * include/asm-sparc/processor.h
 *
 * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu)
 */
@@ -65,7 +64,6 @@ struct thread_struct {
        struct fpq      fpqueue[16];
        unsigned long flags;
        mm_segment_t current_ds;
-        int new_signal;
 };
 #define SPARC_FLAG_KTHREAD      0x1    /* task is a kernel thread */
diff --git a/include/asm-sparc64/floppy.h b/include/asm-sparc64/floppy.h
index c47f58d6c15c..ca19f80a9b7d 100644
--- a/include/asm-sparc64/floppy.h
+++ b/include/asm-sparc64/floppy.h
@@ -293,7 +293,6 @@ static int sun_fd_eject(int drive)
 #ifdef CONFIG_PCI
 #include <asm/ebus.h>
-#include <asm/isa.h>
 #include <asm/ns87303.h>
 static struct ebus_dma_info sun_pci_fd_ebus_dma;
@@ -558,82 +557,6 @@ static int __init ebus_fdthree_p(struct linux_ebus_device *edev)
 }
 #endif
-#ifdef CONFIG_PCI
-#undef ISA_FLOPPY_WORKS
-#ifdef ISA_FLOPPY_WORKS
-static unsigned long __init isa_floppy_init(void)
-{
-        struct sparc_isa_bridge *isa_br;
-        struct sparc_isa_device *isa_dev = NULL;
-        for_each_isa(isa_br) {
-                for_each_isadev(isa_dev, isa_br) {
-                        if (!strcmp(isa_dev->prom_node->name, "dma")) {
-                                struct sparc_isa_device *child =
-                                        isa_dev->child;
-                                while (child) {
-                                        if (!strcmp(child->prom_node->name,
-                                                    "floppy")) {
-                                                isa_dev = child;
-                                                goto isa_done;
-                                        }
-                                        child = child->next;
-                                }
-                        }
-                }
-        }
-isa_done:
-        if (!isa_dev)
-                return 0;
-        /* We could use DMA on devices behind the ISA bridge, but...
-         *
-         * There is a slight problem.  Normally on x86 kit the x86 processor
-         * delays I/O port instructions when the ISA bus "dma in progress"
-         * signal is active.  Well, sparc64 systems do not monitor this
-         * signal thus we would need to block all I/O port accesses in software
-         * when a dma transfer is active for some device.
-         */
-        sun_fdc = (struct sun_flpy_controller *)isa_dev->resource.start;
-        FLOPPY_IRQ = isa_dev->irq;
-        sun_fdops.fd_inb = sun_pci_fd_inb;
-        sun_fdops.fd_outb = sun_pci_fd_outb;
-        can_use_virtual_dma = use_virtual_dma = 1;
-        sun_fdops.fd_enable_dma = sun_fd_enable_dma;
-        sun_fdops.fd_disable_dma = sun_fd_disable_dma;
-        sun_fdops.fd_set_dma_mode = sun_fd_set_dma_mode;
-        sun_fdops.fd_set_dma_addr = sun_fd_set_dma_addr;
-        sun_fdops.fd_set_dma_count = sun_fd_set_dma_count;
-        sun_fdops.get_dma_residue = sun_get_dma_residue;
-        sun_fdops.fd_request_irq = sun_fd_request_irq;
-        sun_fdops.fd_free_irq = sun_fd_free_irq;
-        /* Floppy eject is manual.   Actually, could determine this
-         * via presence of 'manual' property in OBP node.
-         */
-        sun_fdops.fd_eject = sun_pci_fd_eject;
-        fdc_status = (unsigned long) &sun_fdc->status_82077;
-        allowed_drive_mask = 0;
-        sun_floppy_types[0] = 0;
-        sun_floppy_types[1] = 4;
-        sun_pci_broken_drive = 1;
-        sun_fdops.fd_outb = sun_pci_fd_broken_outb;
-        return sun_floppy_types[0];
-}
-#endif /* ISA_FLOPPY_WORKS */
-#endif
 static unsigned long __init sun_floppy_init(void)
 {
        char state[128];
@@ -667,13 +590,8 @@ static unsigned long __init sun_floppy_init(void)
                        }
                }
        ebus_done:
-                if (!edev) {
+                if (!edev)
-#ifdef ISA_FLOPPY_WORKS
-                        return isa_floppy_init();
-#else
                        return 0;
-#endif
-                }
                state_prop = of_get_property(edev->prom_node, "status", NULL);
                if (state_prop && !strncmp(state_prop, "disabled", 8))
diff --git a/include/asm-sparc64/hugetlb.h b/include/asm-sparc64/hugetlb.h
new file mode 100644
index 000000000000..412af58926a0
--- /dev/null
+++ b/include/asm-sparc64/hugetlb.h
@@ -0,0 +1,84 @@
+#ifndef _ASM_SPARC64_HUGETLB_H
+#define _ASM_SPARC64_HUGETLB_H
+#include <asm/page.h>
+void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
+                     pte_t *ptep, pte_t pte);
+pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
+                              pte_t *ptep);
+void hugetlb_prefault_arch_hook(struct mm_struct *mm);
+static inline int is_hugepage_only_range(struct mm_struct *mm,
+                                         unsigned long addr,
+                                         unsigned long len) {
+        return 0;
+}
+/*
+ * If the arch doesn't supply something else, assume that hugepage
+ * size aligned regions are ok without further preparation.
+ */
+static inline int prepare_hugepage_range(unsigned long addr, unsigned long len)
+{
+        if (len & ~HPAGE_MASK)
+                return -EINVAL;
+        if (addr & ~HPAGE_MASK)
+                return -EINVAL;
+        return 0;
+}
+static inline void hugetlb_free_pgd_range(struct mmu_gather **tlb,
+                                          unsigned long addr, unsigned long end,
+                                          unsigned long floor,
+                                          unsigned long ceiling)
+{
+        free_pgd_range(tlb, addr, end, floor, ceiling);
+}
+static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
+                                         unsigned long addr, pte_t *ptep)
+{
+}
+static inline int huge_pte_none(pte_t pte)
+{
+        return pte_none(pte);
+}
+static inline pte_t huge_pte_wrprotect(pte_t pte)
+{
+        return pte_wrprotect(pte);
+}
+static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
+                                           unsigned long addr, pte_t *ptep)
+{
+        ptep_set_wrprotect(mm, addr, ptep);
+}
+static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
+                                             unsigned long addr, pte_t *ptep,
+                                             pte_t pte, int dirty)
+{
+        return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
+}
+static inline pte_t huge_ptep_get(pte_t *ptep)
+{
+        return *ptep;
+}
+static inline int arch_prepare_hugepage(struct page *page)
+{
+        return 0;
+}
+static inline void arch_release_hugepage(struct page *page)
+{
+}
+#endif /* _ASM_SPARC64_HUGETLB_H */
diff --git a/include/asm-sparc64/isa.h b/include/asm-sparc64/isa.h
deleted file mode 100644
index ecd9290f78d4..000000000000
--- a/include/asm-sparc64/isa.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/* $Id: isa.h,v 1.1 2001/05/11 04:31:55 davem Exp $
- * isa.h: Sparc64 layer for PCI to ISA bridge devices.
- *
- * Copyright (C) 2001 David S. Miller (davem@redhat.com)
- */
-#ifndef __SPARC64_ISA_H
-#define __SPARC64_ISA_H
-#include <asm/oplib.h>
-#include <asm/prom.h>
-#include <asm/of_device.h>
-struct sparc_isa_bridge;
-struct sparc_isa_device {
-        struct of_device        ofdev;
-        struct sparc_isa_device *next;
-        struct sparc_isa_device *child;
-        struct sparc_isa_bridge *bus;
-        struct device_node      *prom_node;
-        struct resource         resource;
-        unsigned int            irq;
-};
-#define to_isa_device(d) container_of(d, struct sparc_isa_device, ofdev.dev)
-struct sparc_isa_bridge {
-        struct of_device        ofdev;
-        struct sparc_isa_bridge *next;
-        struct sparc_isa_device *devices;
-        struct pci_dev          *self;
-        int                     index;
-        struct device_node      *prom_node;
-};
-#define to_isa_bridge(d) container_of(d, struct sparc_isa_bridge, ofdev.dev)
-extern struct sparc_isa_bridge  *isa_chain;
-extern void isa_init(void);
-#define for_each_isa(bus)                                               \
-        for((bus) = isa_chain; (bus); (bus) = (bus)->next)
-#define for_each_isadev(dev, bus)                                       \
-        for((dev) = (bus)->devices; (dev); (dev) = (dev)->next)
-#endif /* !(__SPARC64_ISA_H) */
diff --git a/include/asm-sparc64/page.h b/include/asm-sparc64/page.h
index e93a482aa24a..618117def0dc 100644
--- a/include/asm-sparc64/page.h
+++ b/include/asm-sparc64/page.h
@@ -39,8 +39,6 @@
 #define HPAGE_SIZE              (_AC(1,UL) << HPAGE_SHIFT)
 #define HPAGE_MASK              (~(HPAGE_SIZE - 1UL))
 #define HUGETLB_PAGE_ORDER      (HPAGE_SHIFT - PAGE_SHIFT)
-#define ARCH_HAS_SETCLEAR_HUGE_PTE
-#define ARCH_HAS_HUGETLB_PREFAULT_HOOK
 #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
 #endif
diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h
index 549e45266b68..0e200e7acec7 100644
--- a/include/asm-sparc64/pgtable.h
+++ b/include/asm-sparc64/pgtable.h
@@ -506,6 +506,11 @@ static inline pte_t pte_mkyoung(pte_t pte)
        return __pte(pte_val(pte) | mask);
 }
+static inline pte_t pte_mkspecial(pte_t pte)
+{
+        return pte;
+}
 static inline unsigned long pte_young(pte_t pte)
 {
        unsigned long mask;
@@ -608,6 +613,11 @@ static inline unsigned long pte_present(pte_t pte)
        return val;
 }
+static inline int pte_special(pte_t pte)
+{
+        return 0;
+}
 #define pmd_set(pmdp, ptep)     \
        (pmd_val(*(pmdp)) = (__pa((unsigned long) (ptep)) >> 11UL))
 #define pud_set(pudp, pmdp)     \
diff --git a/include/asm-sparc64/ptrace.h b/include/asm-sparc64/ptrace.h
index b4b951d570bb..714b81956f32 100644
--- a/include/asm-sparc64/ptrace.h
+++ b/include/asm-sparc64/ptrace.h
@@ -1,4 +1,3 @@
-/* $Id: ptrace.h,v 1.14 2002/02/09 19:49:32 davem Exp $ */
 #ifndef _SPARC64_PTRACE_H
 #define _SPARC64_PTRACE_H
@@ -8,10 +7,15 @@
 * stack during a system call and basically all traps.
 */
+/* This magic value must have the low 9 bits clear,
+ * as that is where we encode the %tt value, see below.
+ */
 #define PT_REGS_MAGIC 0x57ac6c00
 #ifndef __ASSEMBLY__
+#include <linux/types.h>
 struct pt_regs {
        unsigned long u_regs[16]; /* globals and ins */
        unsigned long tstate;
@@ -33,6 +37,23 @@ struct pt_regs {
        unsigned int magic;
 };
+static inline int pt_regs_trap_type(struct pt_regs *regs)
+{
+        return regs->magic & 0x1ff;
+}
+static inline int pt_regs_clear_trap_type(struct pt_regs *regs)
+{
+        return regs->magic &= ~0x1ff;
+}
+static inline bool pt_regs_is_syscall(struct pt_regs *regs)
+{
+        int tt = pt_regs_trap_type(regs);
+        return (tt == 0x110 || tt == 0x111 || tt == 0x16d);
+}
 struct pt_regs32 {
        unsigned int psr;
        unsigned int pc;
diff --git a/include/asm-sparc64/thread_info.h b/include/asm-sparc64/thread_info.h
index 98252cd44dd6..71e42d1a80d9 100644
--- a/include/asm-sparc64/thread_info.h
+++ b/include/asm-sparc64/thread_info.h
@@ -1,5 +1,4 @@
-/* $Id: thread_info.h,v 1.1 2002/02/10 00:00:58 davem Exp $
+/* thread_info.h: sparc64 low-level thread information
- * thread_info.h: sparc64 low-level thread information
 *
 * Copyright (C) 2002  David S. Miller (davem@redhat.com)
 */
@@ -223,7 +222,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
 #define TIF_NEED_RESCHED        3       /* rescheduling necessary */
 #define TIF_PERFCTR             4       /* performance counters active */
 #define TIF_UNALIGNED           5       /* allowed to do unaligned accesses */
-#define TIF_NEWSIGNALS          6       /* wants new-style signals */
+/* flag bit 6 is available */
 #define TIF_32BIT               7       /* 32-bit binary */
 /* flag bit 8 is available */
 #define TIF_SECCOMP             9       /* secure computing */
@@ -242,7 +241,6 @@ register struct thread_info *current_thread_info_reg asm("g6");
 #define _TIF_NEED_RESCHED       (1<<TIF_NEED_RESCHED)
 #define _TIF_PERFCTR            (1<<TIF_PERFCTR)
 #define _TIF_UNALIGNED          (1<<TIF_UNALIGNED)
-#define _TIF_NEWSIGNALS         (1<<TIF_NEWSIGNALS)
 #define _TIF_32BIT              (1<<TIF_32BIT)
 #define _TIF_SECCOMP            (1<<TIF_SECCOMP)
 #define _TIF_SYSCALL_AUDIT      (1<<TIF_SYSCALL_AUDIT)
diff --git a/include/asm-um/pgtable.h b/include/asm-um/pgtable.h
index 4102b443e925..02db81b7b86e 100644
--- a/include/asm-um/pgtable.h
+++ b/include/asm-um/pgtable.h
@@ -173,6 +173,11 @@ static inline int pte_newprot(pte_t pte)
        return(pte_present(pte) && (pte_get_bits(pte, _PAGE_NEWPROT)));
 }
+static inline int pte_special(pte_t pte)
+{
+        return 0;
+}
 /*
 * =================================
 * Flags setting section.
@@ -241,6 +246,11 @@ static inline pte_t pte_mknewpage(pte_t pte)
        return(pte);
 }
+static inline pte_t pte_mkspecial(pte_t pte)
+{
+        return(pte);
+}
 static inline void set_pte(pte_t *pteptr, pte_t pteval)
 {
        pte_copy(*pteptr, pteval);
diff --git a/include/asm-x86/geode.h b/include/asm-x86/geode.h
index 9870cc1f2f8f..7154dc4de951 100644
--- a/include/asm-x86/geode.h
+++ b/include/asm-x86/geode.h
@@ -30,7 +30,13 @@ extern int geode_get_dev_base(unsigned int dev);
 /* MSRS */
-#define GX_GLCP_SYS_RSTPLL      0x4C000014
+#define MSR_GLIU_P2D_RO0        0x10000029
+#define MSR_LX_GLD_MSR_CONFIG   0x48002001
+#define MSR_LX_MSR_PADSEL       0x48002011      /* NOT 0x48000011; the data
+                                                 * sheet has the wrong value */
+#define MSR_GLCP_SYS_RSTPLL     0x4C000014
+#define MSR_GLCP_DOTPLL         0x4C000015
 #define MSR_LBAR_SMB            0x5140000B
 #define MSR_LBAR_GPIO           0x5140000C
@@ -45,8 +51,14 @@ extern int geode_get_dev_base(unsigned int dev);
 #define MSR_PIC_ZSEL_LOW        0x51400022
 #define MSR_PIC_ZSEL_HIGH       0x51400023
-#define MFGPT_IRQ_MSR           0x51400028
+#define MSR_MFGPT_IRQ           0x51400028
-#define MFGPT_NR_MSR            0x51400029
+#define MSR_MFGPT_NR            0x51400029
+#define MSR_MFGPT_SETUP         0x5140002B
+#define MSR_LX_SPARE_MSR        0x80000011      /* DC-specific */
+#define MSR_GX_GLD_MSR_CONFIG   0xC0002001
+#define MSR_GX_MSR_PADSEL       0xC0002011
 /* Resource Sizes */
@@ -93,6 +105,15 @@ extern int geode_get_dev_base(unsigned int dev);
 #define PM_AWKD                 0x50
 #define PM_SSC                  0x54
+/* VSA2 magic values */
+#define VSA_VRC_INDEX           0xAC1C
+#define VSA_VRC_DATA            0xAC1E
+#define VSA_VR_UNLOCK           0xFC53  /* unlock virtual register */
+#define VSA_VR_SIGNATURE        0x0003
+#define VSA_VR_MEM_SIZE         0x0200
+#define VSA_SIG                 0x4132  /* signature is ascii 'VSA2' */
 /* GPIO */
 #define GPIO_OUTPUT_VAL         0x00
@@ -164,6 +185,17 @@ static inline int is_geode(void)
        return (is_geode_gx() || is_geode_lx());
 }
+/*
+ * The VSA has virtual registers that we can query for a signature.
+ */
+static inline int geode_has_vsa2(void)
+{
+        outw(VSA_VR_UNLOCK, VSA_VRC_INDEX);
+        outw(VSA_VR_SIGNATURE, VSA_VRC_INDEX);
+        return (inw(VSA_VRC_DATA) == VSA_SIG);
+}
 /* MFGPTs */
 #define MFGPT_MAX_TIMERS        8
diff --git a/include/asm-x86/hugetlb.h b/include/asm-x86/hugetlb.h
new file mode 100644
index 000000000000..14171a4924f6
--- /dev/null
+++ b/include/asm-x86/hugetlb.h
@@ -0,0 +1,91 @@
+#ifndef _ASM_X86_HUGETLB_H
+#define _ASM_X86_HUGETLB_H
+#include <asm/page.h>
+static inline int is_hugepage_only_range(struct mm_struct *mm,
+                                         unsigned long addr,
+                                         unsigned long len) {
+        return 0;
+}
+/*
+ * If the arch doesn't supply something else, assume that hugepage
+ * size aligned regions are ok without further preparation.
+ */
+static inline int prepare_hugepage_range(unsigned long addr, unsigned long len)
+{
+        if (len & ~HPAGE_MASK)
+                return -EINVAL;
+        if (addr & ~HPAGE_MASK)
+                return -EINVAL;
+        return 0;
+}
+static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) {
+}
+static inline void hugetlb_free_pgd_range(struct mmu_gather **tlb,
+                                          unsigned long addr, unsigned long end,
+                                          unsigned long floor,
+                                          unsigned long ceiling)
+{
+        free_pgd_range(tlb, addr, end, floor, ceiling);
+}
+static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
+                                   pte_t *ptep, pte_t pte)
+{
+        set_pte_at(mm, addr, ptep, pte);
+}
+static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
+                                            unsigned long addr, pte_t *ptep)
+{
+        return ptep_get_and_clear(mm, addr, ptep);
+}
+static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
+                                         unsigned long addr, pte_t *ptep)
+{
+}
+static inline int huge_pte_none(pte_t pte)
+{
+        return pte_none(pte);
+}
+static inline pte_t huge_pte_wrprotect(pte_t pte)
+{
+        return pte_wrprotect(pte);
+}
+static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
+                                           unsigned long addr, pte_t *ptep)
+{
+        ptep_set_wrprotect(mm, addr, ptep);
+}
+static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
+                                             unsigned long addr, pte_t *ptep,
+                                             pte_t pte, int dirty)
+{
+        return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
+}
+static inline pte_t huge_ptep_get(pte_t *ptep)
+{
+        return *ptep;
+}
+static inline int arch_prepare_hugepage(struct page *page)
+{
+        return 0;
+}
+static inline void arch_release_hugepage(struct page *page)
+{
+}
+#endif /* _ASM_X86_HUGETLB_H */
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
index a496d6335d3b..801b31f71452 100644
--- a/include/asm-x86/pgtable.h
+++ b/include/asm-x86/pgtable.h
@@ -195,6 +195,11 @@ static inline int pte_exec(pte_t pte)
        return !(pte_val(pte) & _PAGE_NX);
 }
+static inline int pte_special(pte_t pte)
+{
+        return 0;
+}
 static inline int pmd_large(pmd_t pte)
 {
        return (pmd_val(pte) & (_PAGE_PSE | _PAGE_PRESENT)) ==
@@ -256,6 +261,11 @@ static inline pte_t pte_clrglobal(pte_t pte)
        return __pte(pte_val(pte) & ~(pteval_t)_PAGE_GLOBAL);
 }
+static inline pte_t pte_mkspecial(pte_t pte)
+{
+        return pte;
+}
 extern pteval_t __supported_pte_mask;
 static inline pte_t pfn_pte(unsigned long page_nr, pgprot_t pgprot)
diff --git a/include/asm-xtensa/pgtable.h b/include/asm-xtensa/pgtable.h
index c8b024a48b4d..8014d96b21f1 100644
--- a/include/asm-xtensa/pgtable.h
+++ b/include/asm-xtensa/pgtable.h
@@ -210,6 +210,8 @@ static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_WRITABLE; }
 static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; }
 static inline int pte_file(pte_t pte)  { return pte_val(pte) & _PAGE_FILE; }
+static inline int pte_special(pte_t pte) { return 0; }
 static inline pte_t pte_wrprotect(pte_t pte)    
        { pte_val(pte) &= ~(_PAGE_WRITABLE | _PAGE_HW_WRITE); return pte; }
 static inline pte_t pte_mkclean(pte_t pte)
@@ -222,6 +224,8 @@ static inline pte_t pte_mkyoung(pte_t pte)
        { pte_val(pte) |= _PAGE_ACCESSED; return pte; }
 static inline pte_t pte_mkwrite(pte_t pte)
        { pte_val(pte) |= _PAGE_WRITABLE; return pte; }
+static inline pte_t pte_mkspecial(pte_t pte)
+        { return pte; }
 /*
 * Conversion functions: convert a page and protection to a page entry,
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index 1dbe074f1c64..43b406def35f 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -46,6 +46,8 @@
 * bitmap_shift_left(dst, src, n, nbits)        *dst = *src << n
 * bitmap_remap(dst, src, old, new, nbits)      *dst = map(old, new)(src)
 * bitmap_bitremap(oldbit, old, new, nbits)     newbit = map(old, new)(oldbit)
+ * bitmap_onto(dst, orig, relmap, nbits)        *dst = orig relative to relmap
+ * bitmap_fold(dst, orig, sz, nbits)            dst bits = orig bits mod sz
 * bitmap_scnprintf(buf, len, src, nbits)       Print bitmap src to buf
 * bitmap_parse(buf, buflen, dst, nbits)        Parse bitmap dst from kernel buf
 * bitmap_parse_user(ubuf, ulen, dst, nbits)    Parse bitmap dst from user buf
@@ -121,6 +123,10 @@ extern void bitmap_remap(unsigned long *dst, const unsigned long *src,
                const unsigned long *old, const unsigned long *new, int bits);
 extern int bitmap_bitremap(int oldbit,
                const unsigned long *old, const unsigned long *new, int bits);
+extern void bitmap_onto(unsigned long *dst, const unsigned long *orig,
+                const unsigned long *relmap, int bits);
+extern void bitmap_fold(unsigned long *dst, const unsigned long *orig,
+                int sz, int bits);
 extern int bitmap_find_free_region(unsigned long *bitmap, int bits, int order);
 extern void bitmap_release_region(unsigned long *bitmap, int pos, int order);
 extern int bitmap_allocate_region(unsigned long *bitmap, int pos, int order);
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index 4e4e340592fb..6a5dbdc8a7dc 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -101,6 +101,8 @@ extern void reserve_bootmem_node(pg_data_t *pgdat,
 extern void free_bootmem_node(pg_data_t *pgdat,
                              unsigned long addr,
                              unsigned long size);
+extern void *alloc_bootmem_section(unsigned long size,
+                                   unsigned long section_nr);
 #ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE
 #define alloc_bootmem_node(pgdat, x) \
diff --git a/include/linux/cache.h b/include/linux/cache.h
index 4552504c0228..97e24881c4c6 100644
--- a/include/linux/cache.h
+++ b/include/linux/cache.h
@@ -60,4 +60,8 @@
 #endif
 #endif
+#ifndef CONFIG_ARCH_HAS_CACHE_LINE_SIZE
+#define cache_line_size()       L1_CACHE_BYTES
+#endif
 #endif /* __LINUX_CACHE_H */
diff --git a/include/linux/capability.h b/include/linux/capability.h
index 7d50ff6d269f..eaab759b1460 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -155,6 +155,7 @@ typedef struct kernel_cap_struct {
 *   Add any capability from current's capability bounding set
 *       to the current process' inheritable set
 *   Allow taking bits out of capability bounding set
+ *   Allow modification of the securebits for a process
 */
 #define CAP_SETPCAP          8
@@ -490,8 +491,6 @@ extern const kernel_cap_t __cap_init_eff_set;
 int capable(int cap);
 int __capable(struct task_struct *t, int cap);
-extern long cap_prctl_drop(unsigned long cap);
 #endif /* __KERNEL__ */
 #endif /* !_LINUX_CAPABILITY_H */
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 259c8051155d..9650806fe2ea 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -14,6 +14,8 @@
 * bitmap_scnlistprintf() and bitmap_parselist(), also in bitmap.c.
 * For details of cpu_remap(), see bitmap_bitremap in lib/bitmap.c
 * For details of cpus_remap(), see bitmap_remap in lib/bitmap.c.
+ * For details of cpus_onto(), see bitmap_onto in lib/bitmap.c.
+ * For details of cpus_fold(), see bitmap_fold in lib/bitmap.c.
 *
 * The available cpumask operations are:
 *
@@ -53,7 +55,9 @@
 * int cpulist_scnprintf(buf, len, mask) Format cpumask as list for printing
 * int cpulist_parse(buf, map)          Parse ascii string as cpulist
 * int cpu_remap(oldbit, old, new)      newbit = map(old, new)(oldbit)
- * int cpus_remap(dst, src, old, new)   *dst = map(old, new)(src)
+ * void cpus_remap(dst, src, old, new)  *dst = map(old, new)(src)
+ * void cpus_onto(dst, orig, relmap)    *dst = orig relative to relmap
+ * void cpus_fold(dst, orig, sz)        dst bits = orig bits mod sz
 *
 * for_each_cpu_mask(cpu, mask)         for-loop cpu over mask
 *
@@ -330,6 +334,22 @@ static inline void __cpus_remap(cpumask_t *dstp, const cpumask_t *srcp,
        bitmap_remap(dstp->bits, srcp->bits, oldp->bits, newp->bits, nbits);
 }
+#define cpus_onto(dst, orig, relmap) \
+                __cpus_onto(&(dst), &(orig), &(relmap), NR_CPUS)
+static inline void __cpus_onto(cpumask_t *dstp, const cpumask_t *origp,
+                const cpumask_t *relmapp, int nbits)
+{
+        bitmap_onto(dstp->bits, origp->bits, relmapp->bits, nbits);
+}
+#define cpus_fold(dst, orig, sz) \
+                __cpus_fold(&(dst), &(orig), sz, NR_CPUS)
+static inline void __cpus_fold(cpumask_t *dstp, const cpumask_t *origp,
+                int sz, int nbits)
+{
+        bitmap_fold(dstp->bits, origp->bits, sz, nbits);
+}
 #if NR_CPUS > 1
 #define for_each_cpu_mask(cpu, mask)            \
        for ((cpu) = first_cpu(mask);           \
diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index 726761e24003..038578362b47 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -26,7 +26,7 @@ extern nodemask_t cpuset_mems_allowed(struct task_struct *p);
 #define cpuset_current_mems_allowed (current->mems_allowed)
 void cpuset_init_current_mems_allowed(void);
 void cpuset_update_task_memory_state(void);
-int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl);
+int cpuset_nodemask_valid_mems_allowed(nodemask_t *nodemask);
 extern int __cpuset_zone_allowed_softwall(struct zone *z, gfp_t gfp_mask);
 extern int __cpuset_zone_allowed_hardwall(struct zone *z, gfp_t gfp_mask);
@@ -103,7 +103,7 @@ static inline nodemask_t cpuset_mems_allowed(struct task_struct *p)
 static inline void cpuset_init_current_mems_allowed(void) {}
 static inline void cpuset_update_task_memory_state(void) {}
-static inline int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl)
+static inline int cpuset_nodemask_valid_mems_allowed(nodemask_t *nodemask)
 {
        return 1;
 }
diff --git a/include/linux/dmi.h b/include/linux/dmi.h
index 325acdf5c462..2a063b64133f 100644
--- a/include/linux/dmi.h
+++ b/include/linux/dmi.h
@@ -90,6 +90,7 @@ static inline int dmi_check_system(const struct dmi_system_id *list) { return 0;
 static inline const char * dmi_get_system_info(int field) { return NULL; }
 static inline const struct dmi_device * dmi_find_device(int type, const char *name,
        const struct dmi_device *from) { return NULL; }
+static inline void dmi_scan_machine(void) { return; }
 static inline int dmi_get_year(int year) { return 0; }
 static inline int dmi_name_in_vendors(const char *s) { return 0; }
 #define dmi_available 0
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 58c57a33e5dd..72295b099228 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -791,6 +791,17 @@ struct fb_tile_ops {
 */
 #define FBINFO_MISC_ALWAYS_SETPAR   0x40000
+/*
+ * Host and GPU endianness differ.
+ */
+#define FBINFO_FOREIGN_ENDIAN   0x100000
+/*
+ * Big endian math. This is the same flags as above, but with different
+ * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag
+ * and host endianness. Drivers should not use this flag.
+ */
+#define FBINFO_BE_MATH  0x100000
 struct fb_info {
        int node;
        int flags;
@@ -899,15 +910,11 @@ struct fb_info {
 #endif
-#if defined (__BIG_ENDIAN)
+#define FB_LEFT_POS(p, bpp)          (fb_be_math(p) ? (32 - (bpp)) : 0)
-#define FB_LEFT_POS(bpp)          (32 - bpp)
+#define FB_SHIFT_HIGH(p, val, bits)  (fb_be_math(p) ? (val) >> (bits) : \
-#define FB_SHIFT_HIGH(val, bits)  ((val) >> (bits))
+                                                      (val) << (bits))
-#define FB_SHIFT_LOW(val, bits)   ((val) << (bits))
+#define FB_SHIFT_LOW(p, val, bits)   (fb_be_math(p) ? (val) << (bits) : \
-#else
+                                                      (val) >> (bits))
-#define FB_LEFT_POS(bpp)          (0)
-#define FB_SHIFT_HIGH(val, bits)  ((val) << (bits))
-#define FB_SHIFT_LOW(val, bits)   ((val) >> (bits))
-#endif
    /*
     *  `Generic' versions of the frame buffer device operations
@@ -970,6 +977,25 @@ extern void fb_deferred_io_cleanup(struct fb_info *info);
 extern int fb_deferred_io_fsync(struct file *file, struct dentry *dentry,
                                int datasync);
+static inline bool fb_be_math(struct fb_info *info)
+{
+#ifdef CONFIG_FB_FOREIGN_ENDIAN
+#if defined(CONFIG_FB_BOTH_ENDIAN)
+        return info->flags & FBINFO_BE_MATH;
+#elif defined(CONFIG_FB_BIG_ENDIAN)
+        return true;
+#elif defined(CONFIG_FB_LITTLE_ENDIAN)
+        return false;
+#endif /* CONFIG_FB_BOTH_ENDIAN */
+#else
+#ifdef __BIG_ENDIAN
+        return true;
+#else
+        return false;
+#endif /* __BIG_ENDIAN */
+#endif /* CONFIG_FB_FOREIGN_ENDIAN */
+}
 /* drivers/video/fbsysfs.c */
 extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
 extern void framebuffer_release(struct fb_info *info);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index d6d7c52055c6..2c925747bc49 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -474,8 +474,8 @@ struct address_space_operations {
        int (*releasepage) (struct page *, gfp_t);
        ssize_t (*direct_IO)(int, struct kiocb *, const struct iovec *iov,
                        loff_t offset, unsigned long nr_segs);
-        struct page* (*get_xip_page)(struct address_space *, sector_t,
+        int (*get_xip_mem)(struct address_space *, pgoff_t, int,
-                        int);
+                                                void **, unsigned long *);
        /* migrate the contents of a page to the specified target */
        int (*migratepage) (struct address_space *,
                        struct page *, struct page *);
@@ -1178,7 +1178,8 @@ struct block_device_operations {
        int (*ioctl) (struct inode *, struct file *, unsigned, unsigned long);
        long (*unlocked_ioctl) (struct file *, unsigned, unsigned long);
        long (*compat_ioctl) (struct file *, unsigned, unsigned long);
-        int (*direct_access) (struct block_device *, sector_t, unsigned long *);
+        int (*direct_access) (struct block_device *, sector_t,
+                                                void **, unsigned long *);
        int (*media_changed) (struct gendisk *);
        int (*revalidate_disk) (struct gendisk *);
        int (*getgeo)(struct block_device *, struct hd_geometry *);
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 164be9da3c1b..c37653b6843f 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -119,35 +119,22 @@ static inline int allocflags_to_migratetype(gfp_t gfp_flags)
 static inline enum zone_type gfp_zone(gfp_t flags)
 {
-        int base = 0;
-#ifdef CONFIG_NUMA
-        if (flags & __GFP_THISNODE)
-                base = MAX_NR_ZONES;
-#endif
 #ifdef CONFIG_ZONE_DMA
        if (flags & __GFP_DMA)
-                return base + ZONE_DMA;
+                return ZONE_DMA;
 #endif
 #ifdef CONFIG_ZONE_DMA32
        if (flags & __GFP_DMA32)
-                return base + ZONE_DMA32;
+                return ZONE_DMA32;
 #endif
        if ((flags & (__GFP_HIGHMEM | __GFP_MOVABLE)) ==
                        (__GFP_HIGHMEM | __GFP_MOVABLE))
-                return base + ZONE_MOVABLE;
+                return ZONE_MOVABLE;
 #ifdef CONFIG_HIGHMEM
        if (flags & __GFP_HIGHMEM)
-                return base + ZONE_HIGHMEM;
+                return ZONE_HIGHMEM;
 #endif
-        return base + ZONE_NORMAL;
+        return ZONE_NORMAL;
-}
-static inline gfp_t set_migrateflags(gfp_t gfp, gfp_t migrate_flags)
-{
-        BUG_ON((gfp & GFP_MOVABLE_MASK) == GFP_MOVABLE_MASK);
-        return (gfp & ~(GFP_MOVABLE_MASK)) | migrate_flags;
 }
 /*
@@ -157,13 +144,27 @@ static inline gfp_t set_migrateflags(gfp_t gfp, gfp_t migrate_flags)
 * virtual kernel addresses to the allocated page(s).
 */
+static inline int gfp_zonelist(gfp_t flags)
+{
+        if (NUMA_BUILD && unlikely(flags & __GFP_THISNODE))
+                return 1;
+        return 0;
+}
 /*
 * We get the zone list from the current node and the gfp_mask.
 * This zone list contains a maximum of MAXNODES*MAX_NR_ZONES zones.
+ * There are two zonelists per node, one for all zones with memory and
+ * one containing just zones from the node the zonelist belongs to.
 *
 * For the normal case of non-DISCONTIGMEM systems the NODE_DATA() gets
 * optimized to &contig_page_data at compile-time.
 */
+static inline struct zonelist *node_zonelist(int nid, gfp_t flags)
+{
+        return NODE_DATA(nid)->node_zonelists + gfp_zonelist(flags);
+}
 #ifndef HAVE_ARCH_FREE_PAGE
 static inline void arch_free_page(struct page *page, int order) { }
@@ -174,6 +175,10 @@ static inline void arch_alloc_page(struct page *page, int order) { }
 extern struct page *__alloc_pages(gfp_t, unsigned int, struct zonelist *);
+extern struct page *
+__alloc_pages_nodemask(gfp_t, unsigned int,
+                                struct zonelist *, nodemask_t *nodemask);
 static inline struct page *alloc_pages_node(int nid, gfp_t gfp_mask,
                                                unsigned int order)
 {
@@ -184,8 +189,7 @@ static inline struct page *alloc_pages_node(int nid, gfp_t gfp_mask,
        if (nid < 0)
                nid = numa_node_id();
-        return __alloc_pages(gfp_mask, order,
+        return __alloc_pages(gfp_mask, order, node_zonelist(nid, gfp_mask));
-                NODE_DATA(nid)->node_zonelists + gfp_zone(gfp_mask));
 }
 #ifdef CONFIG_NUMA
diff --git a/include/linux/hid.h b/include/linux/hid.h
index d951ec411241..4ce3b7a979ba 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -498,13 +498,13 @@ struct hid_parser {
 struct hid_class_descriptor {
        __u8  bDescriptorType;
-        __u16 wDescriptorLength;
+        __le16 wDescriptorLength;
 } __attribute__ ((packed));
 struct hid_descriptor {
        __u8  bLength;
        __u8  bDescriptorType;
-        __u16 bcdHID;
+        __le16 bcdHID;
        __u8  bCountryCode;
        __u8  bNumDescriptors;
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index addca4cd4f11..a79e80b689d8 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -8,6 +8,7 @@
 #include <linux/mempolicy.h>
 #include <linux/shm.h>
 #include <asm/tlbflush.h>
+#include <asm/hugetlb.h>
 struct ctl_table;
@@ -51,51 +52,6 @@ int pmd_huge(pmd_t pmd);
 void hugetlb_change_protection(struct vm_area_struct *vma,
                unsigned long address, unsigned long end, pgprot_t newprot);
-#ifndef ARCH_HAS_HUGEPAGE_ONLY_RANGE
-#define is_hugepage_only_range(mm, addr, len)   0
-#endif
-#ifndef ARCH_HAS_HUGETLB_FREE_PGD_RANGE
-#define hugetlb_free_pgd_range  free_pgd_range
-#else
-void hugetlb_free_pgd_range(struct mmu_gather **tlb, unsigned long addr,
-                            unsigned long end, unsigned long floor,
-                            unsigned long ceiling);
-#endif
-#ifndef ARCH_HAS_PREPARE_HUGEPAGE_RANGE
-/*
- * If the arch doesn't supply something else, assume that hugepage
- * size aligned regions are ok without further preparation.
- */
-static inline int prepare_hugepage_range(unsigned long addr, unsigned long len)
-{
-        if (len & ~HPAGE_MASK)
-                return -EINVAL;
-        if (addr & ~HPAGE_MASK)
-                return -EINVAL;
-        return 0;
-}
-#else
-int prepare_hugepage_range(unsigned long addr, unsigned long len);
-#endif
-#ifndef ARCH_HAS_SETCLEAR_HUGE_PTE
-#define set_huge_pte_at(mm, addr, ptep, pte)    set_pte_at(mm, addr, ptep, pte)
-#define huge_ptep_get_and_clear(mm, addr, ptep) ptep_get_and_clear(mm, addr, ptep)
-#else
-void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
-                     pte_t *ptep, pte_t pte);
-pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
-                              pte_t *ptep);
-#endif
-#ifndef ARCH_HAS_HUGETLB_PREFAULT_HOOK
-#define hugetlb_prefault_arch_hook(mm)          do { } while (0)
-#else
-void hugetlb_prefault_arch_hook(struct mm_struct *mm);
-#endif
 #else /* !CONFIG_HUGETLB_PAGE */
 static inline int is_vm_hugetlb_page(struct vm_area_struct *vma)
diff --git a/include/linux/i2o.h b/include/linux/i2o.h
index e92170dda245..f65e58a1d925 100644
--- a/include/linux/i2o.h
+++ b/include/linux/i2o.h
@@ -613,14 +613,9 @@ struct i2o_sys_tbl {
 extern struct list_head i2o_controllers;
 /* Message functions */
-static inline struct i2o_message *i2o_msg_get(struct i2o_controller *);
 extern struct i2o_message *i2o_msg_get_wait(struct i2o_controller *, int);
-static inline void i2o_msg_post(struct i2o_controller *, struct i2o_message *);
-static inline int i2o_msg_post_wait(struct i2o_controller *,
-                                    struct i2o_message *, unsigned long);
 extern int i2o_msg_post_wait_mem(struct i2o_controller *, struct i2o_message *,
                                 unsigned long, struct i2o_dma *);
-static inline void i2o_flush_reply(struct i2o_controller *, u32);
 /* IOP functions */
 extern int i2o_status_get(struct i2o_controller *);
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 37a6f5bc4a92..bf6b8a61f8db 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -9,6 +9,7 @@
 #include <linux/ipc.h>
 #include <linux/pid_namespace.h>
 #include <linux/user_namespace.h>
+#include <linux/securebits.h>
 #include <net/net_namespace.h>
 #define INIT_FDTABLE \
@@ -172,7 +173,7 @@ extern struct group_info init_groups;
        .cap_inheritable = CAP_INIT_INH_SET,                            \
        .cap_permitted  = CAP_FULL_SET,                                 \
        .cap_bset       = CAP_INIT_BSET,                                \
-        .keep_capabilities = 0,                                         \
+        .securebits     = SECUREBITS_DEFAULT,                           \
        .user           = INIT_USER,                                    \
        .comm           = "swapper",                                    \
        .thread         = INIT_THREAD,                                  \
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 0f28486f6360..1036631ff4fa 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -173,6 +173,13 @@ struct kretprobe_blackpoint {
        const char *name;
        void *addr;
 };
+struct kprobe_blackpoint {
+        const char *name;
+        unsigned long start_addr;
+        unsigned long range;
+};
 extern struct kretprobe_blackpoint kretprobe_blacklist[];
 static inline void kretprobe_assert(struct kretprobe_instance *ri,
@@ -227,15 +234,21 @@ static inline struct kprobe_ctlblk *get_kprobe_ctlblk(void)
 int register_kprobe(struct kprobe *p);
 void unregister_kprobe(struct kprobe *p);
+int register_kprobes(struct kprobe **kps, int num);
+void unregister_kprobes(struct kprobe **kps, int num);
 int setjmp_pre_handler(struct kprobe *, struct pt_regs *);
 int longjmp_break_handler(struct kprobe *, struct pt_regs *);
 int register_jprobe(struct jprobe *p);
 void unregister_jprobe(struct jprobe *p);
+int register_jprobes(struct jprobe **jps, int num);
+void unregister_jprobes(struct jprobe **jps, int num);
 void jprobe_return(void);
 unsigned long arch_deref_entry_point(void *);
 int register_kretprobe(struct kretprobe *rp);
 void unregister_kretprobe(struct kretprobe *rp);
+int register_kretprobes(struct kretprobe **rps, int num);
+void unregister_kretprobes(struct kretprobe **rps, int num);
 void kprobe_flush_task(struct task_struct *tk);
 void recycle_rp_inst(struct kretprobe_instance *ri, struct hlist_head *head);
@@ -254,16 +267,30 @@ static inline int register_kprobe(struct kprobe *p)
 {
        return -ENOSYS;
 }
+static inline int register_kprobes(struct kprobe **kps, int num)
+{
+        return -ENOSYS;
+}
 static inline void unregister_kprobe(struct kprobe *p)
 {
 }
+static inline void unregister_kprobes(struct kprobe **kps, int num)
+{
+}
 static inline int register_jprobe(struct jprobe *p)
 {
        return -ENOSYS;
 }
+static inline int register_jprobes(struct jprobe **jps, int num)
+{
+        return -ENOSYS;
+}
 static inline void unregister_jprobe(struct jprobe *p)
 {
 }
+static inline void unregister_jprobes(struct jprobe **jps, int num)
+{
+}
 static inline void jprobe_return(void)
 {
 }
@@ -271,9 +298,16 @@ static inline int register_kretprobe(struct kretprobe *rp)
 {
        return -ENOSYS;
 }
+static inline int register_kretprobes(struct kretprobe **rps, int num)
+{
+        return -ENOSYS;
+}
 static inline void unregister_kretprobe(struct kretprobe *rp)
 {
 }
+static inline void unregister_kretprobes(struct kretprobe **rps, int num)
+{
+}
 static inline void kprobe_flush_task(struct task_struct *tk)
 {
 }
diff --git a/include/linux/list.h b/include/linux/list.h
index dac16f99c701..b4a939b6b625 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -319,6 +319,15 @@ static inline int list_empty_careful(const struct list_head *head)
        return (next == head) && (next == head->prev);
 }
+/**
+ * list_is_singular - tests whether a list has just one entry.
+ * @head: the list to test.
+ */
+static inline int list_is_singular(const struct list_head *head)
+{
+        return !list_empty(head) && (head->next == head->prev);
+}
 static inline void __list_splice(struct list_head *list,
                                 struct list_head *head)
 {
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 8fee7a45736b..73e358612eaf 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -8,8 +8,18 @@
 struct page;
 struct zone;
 struct pglist_data;
+struct mem_section;
 #ifdef CONFIG_MEMORY_HOTPLUG
+/*
+ * Magic number for free bootmem.
+ * The normal smallest mapcount is -1. Here is smaller value than it.
+ */
+#define SECTION_INFO            0xfffffffe
+#define MIX_INFO                0xfffffffd
+#define NODE_INFO               0xfffffffc
 /*
 * pgdat resizing functions
 */
@@ -64,9 +74,11 @@ extern int offline_pages(unsigned long, unsigned long, unsigned long);
 /* reasonably generic interface to expand the physical pages in a zone  */
 extern int __add_pages(struct zone *zone, unsigned long start_pfn,
        unsigned long nr_pages);
+extern int __remove_pages(struct zone *zone, unsigned long start_pfn,
+        unsigned long nr_pages);
 /*
- * Walk thorugh all memory which is registered as resource.
+ * Walk through all memory which is registered as resource.
 * arg is (start_pfn, nr_pages, private_arg_pointer)
 */
 extern int walk_memory_resource(unsigned long start_pfn,
@@ -142,6 +154,18 @@ static inline void arch_refresh_nodedata(int nid, pg_data_t *pgdat)
 #endif /* CONFIG_NUMA */
 #endif /* CONFIG_HAVE_ARCH_NODEDATA_EXTENSION */
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
+static inline void register_page_bootmem_info_node(struct pglist_data *pgdat)
+{
+}
+static inline void put_page_bootmem(struct page *page)
+{
+}
+#else
+extern void register_page_bootmem_info_node(struct pglist_data *pgdat);
+extern void put_page_bootmem(struct page *page);
+#endif
 #else /* ! CONFIG_MEMORY_HOTPLUG */
 /*
 * Stub functions for when hotplug is off
@@ -169,6 +193,10 @@ static inline int mhp_notimplemented(const char *func)
        return -ENOSYS;
 }
+static inline void register_page_bootmem_info_node(struct pglist_data *pgdat)
+{
+}
 #endif /* ! CONFIG_MEMORY_HOTPLUG */
 extern int add_memory(int nid, u64 start, u64 size);
@@ -176,5 +204,8 @@ extern int arch_add_memory(int nid, u64 start, u64 size);
 extern int remove_memory(u64 start, u64 size);
 extern int sparse_add_one_section(struct zone *zone, unsigned long start_pfn,
                                                                int nr_pages);
+extern void sparse_remove_one_section(struct zone *zone, struct mem_section *ms);
+extern struct page *sparse_decode_mem_map(unsigned long coded_mem_map,
+                                          unsigned long pnum);
 #endif /* __LINUX_MEMORY_HOTPLUG_H */
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index 59c4865bc85f..3a39570b81b8 100644
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -8,15 +8,32 @@
 * Copyright 2003,2004 Andi Kleen SuSE Labs
 */
+/*
+ * Both the MPOL_* mempolicy mode and the MPOL_F_* optional mode flags are
+ * passed by the user to either set_mempolicy() or mbind() in an 'int' actual.
+ * The MPOL_MODE_FLAGS macro determines the legal set of optional mode flags.
+ */
 /* Policies */
-#define MPOL_DEFAULT    0
+enum {
-#define MPOL_PREFERRED  1
+        MPOL_DEFAULT,
-#define MPOL_BIND       2
+        MPOL_PREFERRED,
-#define MPOL_INTERLEAVE 3
+        MPOL_BIND,
+        MPOL_INTERLEAVE,
+        MPOL_MAX,       /* always last member of enum */
+};
-#define MPOL_MAX MPOL_INTERLEAVE
+/* Flags for set_mempolicy */
+#define MPOL_F_STATIC_NODES     (1 << 15)
+#define MPOL_F_RELATIVE_NODES   (1 << 14)
-/* Flags for get_mem_policy */
+/*
+ * MPOL_MODE_FLAGS is the union of all possible optional mode flags passed to
+ * either set_mempolicy() or mbind().
+ */
+#define MPOL_MODE_FLAGS (MPOL_F_STATIC_NODES | MPOL_F_RELATIVE_NODES)
+/* Flags for get_mempolicy */
 #define MPOL_F_NODE     (1<<0)  /* return next IL mode instead of node mask */
 #define MPOL_F_ADDR     (1<<1)  /* look up vma using address */
 #define MPOL_F_MEMS_ALLOWED (1<<2) /* return allowed memories */
@@ -27,6 +44,14 @@
 #define MPOL_MF_MOVE_ALL (1<<2) /* Move every page to conform to mapping */
 #define MPOL_MF_INTERNAL (1<<3) /* Internal flags start here */
+/*
+ * Internal flags that share the struct mempolicy flags word with
+ * "mode flags".  These flags are allocated from bit 0 up, as they
+ * are never OR'ed into the mode in mempolicy API arguments.
+ */
+#define MPOL_F_SHARED  (1 << 0) /* identify shared policies */
+#define MPOL_F_LOCAL   (1 << 1) /* preferred local allocation */
 #ifdef __KERNEL__
 #include <linux/mmzone.h>
@@ -35,7 +60,6 @@
 #include <linux/spinlock.h>
 #include <linux/nodemask.h>
-struct vm_area_struct;
 struct mm_struct;
 #ifdef CONFIG_NUMA
@@ -54,22 +78,27 @@ struct mm_struct;
 * mmap_sem.
 *
 * Freeing policy:
- * When policy is MPOL_BIND v.zonelist is kmalloc'ed and must be kfree'd.
+ * Mempolicy objects are reference counted.  A mempolicy will be freed when
- * All other policies don't have any external state. mpol_free() handles this.
+ * mpol_put() decrements the reference count to zero.
 *
- * Copying policy objects:
+ * Duplicating policy objects:
- * For MPOL_BIND the zonelist must be always duplicated. mpol_clone() does this.
+ * mpol_dup() allocates a new mempolicy and copies the specified mempolicy
+ * to the new storage.  The reference count of the new object is initialized
+ * to 1, representing the caller of mpol_dup().
 */
 struct mempolicy {
        atomic_t refcnt;
-        short policy;   /* See MPOL_* above */
+        unsigned short mode;    /* See MPOL_* above */
+        unsigned short flags;   /* See set_mempolicy() MPOL_F_* above */
        union {
-                struct zonelist  *zonelist;     /* bind */
                short            preferred_node; /* preferred */
-                nodemask_t       nodes;         /* interleave */
+                nodemask_t       nodes;         /* interleave/bind */
                /* undefined for default */
        } v;
-        nodemask_t cpuset_mems_allowed; /* mempolicy relative to these nodes */
+        union {
+                nodemask_t cpuset_mems_allowed; /* relative to these nodes */
+                nodemask_t user_nodemask;       /* nodemask passed by user */
+        } w;
 };
 /*
@@ -77,18 +106,43 @@ struct mempolicy {
 * The default fast path of a NULL MPOL_DEFAULT policy is always inlined.
 */
-extern void __mpol_free(struct mempolicy *pol);
+extern void __mpol_put(struct mempolicy *pol);
-static inline void mpol_free(struct mempolicy *pol)
+static inline void mpol_put(struct mempolicy *pol)
 {
        if (pol)
-                __mpol_free(pol);
+                __mpol_put(pol);
 }
-extern struct mempolicy *__mpol_copy(struct mempolicy *pol);
+/*
-static inline struct mempolicy *mpol_copy(struct mempolicy *pol)
+ * Does mempolicy pol need explicit unref after use?
+ * Currently only needed for shared policies.
+ */
+static inline int mpol_needs_cond_ref(struct mempolicy *pol)
+{
+        return (pol && (pol->flags & MPOL_F_SHARED));
+}
+static inline void mpol_cond_put(struct mempolicy *pol)
+{
+        if (mpol_needs_cond_ref(pol))
+                __mpol_put(pol);
+}
+extern struct mempolicy *__mpol_cond_copy(struct mempolicy *tompol,
+                                          struct mempolicy *frompol);
+static inline struct mempolicy *mpol_cond_copy(struct mempolicy *tompol,
+                                                struct mempolicy *frompol)
+{
+        if (!frompol)
+                return frompol;
+        return __mpol_cond_copy(tompol, frompol);
+}
+extern struct mempolicy *__mpol_dup(struct mempolicy *pol);
+static inline struct mempolicy *mpol_dup(struct mempolicy *pol)
 {
        if (pol)
-                pol = __mpol_copy(pol);
+                pol = __mpol_dup(pol);
        return pol;
 }
@@ -108,11 +162,6 @@ static inline int mpol_equal(struct mempolicy *a, struct mempolicy *b)
                return 1;
        return __mpol_equal(a, b);
 }
-#define vma_mpol_equal(a,b) mpol_equal(vma_policy(a), vma_policy(b))
-/* Could later add inheritance of the process policy here. */
-#define mpol_set_vma_default(vma) ((vma)->vm_policy = NULL)
 /*
 * Tree of shared policies for a shared memory region.
@@ -133,8 +182,7 @@ struct shared_policy {
        spinlock_t lock;
 };
-void mpol_shared_policy_init(struct shared_policy *info, int policy,
+void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol);
-                                nodemask_t *nodes);
 int mpol_set_shared_policy(struct shared_policy *info,
                                struct vm_area_struct *vma,
                                struct mempolicy *new);
@@ -149,9 +197,9 @@ extern void mpol_rebind_task(struct task_struct *tsk,
 extern void mpol_rebind_mm(struct mm_struct *mm, nodemask_t *new);
 extern void mpol_fix_fork_child_flag(struct task_struct *p);
-extern struct mempolicy default_policy;
 extern struct zonelist *huge_zonelist(struct vm_area_struct *vma,
-                unsigned long addr, gfp_t gfp_flags, struct mempolicy **mpol);
+                                unsigned long addr, gfp_t gfp_flags,
+                                struct mempolicy **mpol, nodemask_t **nodemask);
 extern unsigned slab_node(struct mempolicy *policy);
 extern enum zone_type policy_zone;
@@ -165,6 +213,13 @@ static inline void check_highest_zone(enum zone_type k)
 int do_migrate_pages(struct mm_struct *mm,
        const nodemask_t *from_nodes, const nodemask_t *to_nodes, int flags);
+#ifdef CONFIG_TMPFS
+extern int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context);
+extern int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol,
+                        int no_context);
+#endif
 #else
 struct mempolicy {};
@@ -173,19 +228,26 @@ static inline int mpol_equal(struct mempolicy *a, struct mempolicy *b)
 {
        return 1;
 }
-#define vma_mpol_equal(a,b) 1
-#define mpol_set_vma_default(vma) do {} while(0)
+static inline void mpol_put(struct mempolicy *p)
+{
+}
+static inline void mpol_cond_put(struct mempolicy *pol)
+{
+}
-static inline void mpol_free(struct mempolicy *p)
+static inline struct mempolicy *mpol_cond_copy(struct mempolicy *to,
+                                                struct mempolicy *from)
 {
+        return from;
 }
 static inline void mpol_get(struct mempolicy *pol)
 {
 }
-static inline struct mempolicy *mpol_copy(struct mempolicy *old)
+static inline struct mempolicy *mpol_dup(struct mempolicy *old)
 {
        return NULL;
 }
@@ -199,8 +261,8 @@ static inline int mpol_set_shared_policy(struct shared_policy *info,
        return -EINVAL;
 }
-static inline void mpol_shared_policy_init(struct shared_policy *info,
+static inline void mpol_shared_policy_init(struct shared_policy *sp,
-                                        int policy, nodemask_t *nodes)
+                                                struct mempolicy *mpol)
 {
 }
@@ -239,9 +301,12 @@ static inline void mpol_fix_fork_child_flag(struct task_struct *p)
 }
 static inline struct zonelist *huge_zonelist(struct vm_area_struct *vma,
-                unsigned long addr, gfp_t gfp_flags, struct mempolicy **mpol)
+                                unsigned long addr, gfp_t gfp_flags,
+                                struct mempolicy **mpol, nodemask_t **nodemask)
 {
-        return NODE_DATA(0)->node_zonelists + gfp_zone(gfp_flags);
+        *mpol = NULL;
+        *nodemask = NULL;
+        return node_zonelist(0, gfp_flags);
 }
 static inline int do_migrate_pages(struct mm_struct *mm,
@@ -254,6 +319,21 @@ static inline int do_migrate_pages(struct mm_struct *mm,
 static inline void check_highest_zone(int k)
 {
 }
+#ifdef CONFIG_TMPFS
+static inline int mpol_parse_str(char *str, struct mempolicy **mpol,
+                                int no_context)
+{
+        return 1;       /* error */
+}
+static inline int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol,
+                                int no_context)
+{
+        return 0;
+}
+#endif
 #endif /* CONFIG_NUMA */
 #endif /* __KERNEL__ */
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 286d31521605..8b7f4a5d4f6a 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -107,6 +107,7 @@ extern unsigned int kobjsize(const void *objp);
 #define VM_ALWAYSDUMP   0x04000000      /* Always include in core dumps */
 #define VM_CAN_NONLINEAR 0x08000000     /* Has ->fault & does nonlinear pages */
+#define VM_MIXEDMAP     0x10000000      /* Can contain "struct page" and pure PFN pages */
 #ifndef VM_STACK_DEFAULT_FLAGS          /* arch can override this */
 #define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS
@@ -164,8 +165,6 @@ struct vm_operations_struct {
        void (*open)(struct vm_area_struct * area);
        void (*close)(struct vm_area_struct * area);
        int (*fault)(struct vm_area_struct *vma, struct vm_fault *vmf);
-        struct page *(*nopage)(struct vm_area_struct *area,
-                        unsigned long address, int *type);
        unsigned long (*nopfn)(struct vm_area_struct *area,
                        unsigned long address);
@@ -173,7 +172,25 @@ struct vm_operations_struct {
         * writable, if an error is returned it will cause a SIGBUS */
        int (*page_mkwrite)(struct vm_area_struct *vma, struct page *page);
 #ifdef CONFIG_NUMA
+        /*
+         * set_policy() op must add a reference to any non-NULL @new mempolicy
+         * to hold the policy upon return.  Caller should pass NULL @new to
+         * remove a policy and fall back to surrounding context--i.e. do not
+         * install a MPOL_DEFAULT policy, nor the task or system default
+         * mempolicy.
+         */
        int (*set_policy)(struct vm_area_struct *vma, struct mempolicy *new);
+        /*
+         * get_policy() op must add reference [mpol_get()] to any policy at
+         * (vma,addr) marked as MPOL_SHARED.  The shared policy infrastructure
+         * in mm/mempolicy.c will do this automatically.
+         * get_policy() must NOT add a ref if the policy at (vma,addr) is not
+         * marked as MPOL_SHARED. vma policies are protected by the mmap_sem.
+         * If no [shared/vma] mempolicy exists at the addr, get_policy() op
+         * must return NULL--i.e., do not "fallback" to task or system default
+         * policy.
+         */
        struct mempolicy *(*get_policy)(struct vm_area_struct *vma,
                                        unsigned long addr);
        int (*migrate)(struct vm_area_struct *vma, const nodemask_t *from,
@@ -397,11 +414,11 @@ static inline void set_compound_order(struct page *page, unsigned long order)
 * we have run out of space and have to fall back to an
 * alternate (slower) way of determining the node.
 *
- *        No sparsemem: |       NODE     | ZONE | ... | FLAGS |
+ * No sparsemem or sparsemem vmemmap: |       NODE     | ZONE | ... | FLAGS |
- * with space for node: | SECTION | NODE | ZONE | ... | FLAGS |
+ * classic sparse with space for node:| SECTION | NODE | ZONE | ... | FLAGS |
- *   no space for node: | SECTION |     ZONE    | ... | FLAGS |
+ * classic sparse no space for node:  | SECTION |     ZONE    | ... | FLAGS |
 */
-#ifdef CONFIG_SPARSEMEM
+#if defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP)
 #define SECTIONS_WIDTH          SECTIONS_SHIFT
 #else
 #define SECTIONS_WIDTH          0
@@ -409,9 +426,12 @@ static inline void set_compound_order(struct page *page, unsigned long order)
 #define ZONES_WIDTH             ZONES_SHIFT
-#if SECTIONS_WIDTH+ZONES_WIDTH+NODES_SHIFT <= FLAGS_RESERVED
+#if SECTIONS_WIDTH+ZONES_WIDTH+NODES_SHIFT <= BITS_PER_LONG - NR_PAGEFLAGS
 #define NODES_WIDTH             NODES_SHIFT
 #else
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
+#error "Vmemmap: No space for nodes field in page flags"
+#endif
 #define NODES_WIDTH             0
 #endif
@@ -454,8 +474,8 @@ static inline void set_compound_order(struct page *page, unsigned long order)
 #define ZONEID_PGSHIFT          (ZONEID_PGOFF * (ZONEID_SHIFT != 0))
-#if SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > FLAGS_RESERVED
+#if SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS
-#error SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > FLAGS_RESERVED
+#error SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS
 #endif
 #define ZONES_MASK              ((1UL << ZONES_WIDTH) - 1)
@@ -504,10 +524,12 @@ static inline struct zone *page_zone(struct page *page)
        return &NODE_DATA(page_to_nid(page))->node_zones[page_zonenum(page)];
 }
+#if defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP)
 static inline unsigned long page_to_section(struct page *page)
 {
        return (page->flags >> SECTIONS_PGSHIFT) & SECTIONS_MASK;
 }
+#endif
 static inline void set_page_zone(struct page *page, enum zone_type zone)
 {
@@ -602,9 +624,12 @@ static inline struct address_space *page_mapping(struct page *page)
        struct address_space *mapping = page->mapping;
        VM_BUG_ON(PageSlab(page));
+#ifdef CONFIG_SWAP
        if (unlikely(PageSwapCache(page)))
                mapping = &swapper_space;
-        else if (unlikely((unsigned long)mapping & PAGE_MAPPING_ANON))
+        else
+#endif
+        if (unlikely((unsigned long)mapping & PAGE_MAPPING_ANON))
                mapping = NULL;
        return mapping;
 }
@@ -649,12 +674,6 @@ static inline int page_mapped(struct page *page)
 }
 /*
- * Error return values for the *_nopage functions
- */
-#define NOPAGE_SIGBUS   (NULL)
-#define NOPAGE_OOM      ((struct page *) (-1))
-/*
 * Error return values for the *_nopfn functions
 */
 #define NOPFN_SIGBUS    ((unsigned long) -1)
@@ -720,7 +739,9 @@ struct zap_details {
        unsigned long truncate_count;           /* Compare vm_truncate_count */
 };
-struct page *vm_normal_page(struct vm_area_struct *, unsigned long, pte_t);
+struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
+                pte_t pte);
 unsigned long zap_page_range(struct vm_area_struct *vma, unsigned long address,
                unsigned long size, struct zap_details *);
 unsigned long unmap_vmas(struct mmu_gather **tlb,
@@ -1149,6 +1170,8 @@ int remap_pfn_range(struct vm_area_struct *, unsigned long addr,
 int vm_insert_page(struct vm_area_struct *, unsigned long addr, struct page *);
 int vm_insert_pfn(struct vm_area_struct *vma, unsigned long addr,
                        unsigned long pfn);
+int vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr,
+                        unsigned long pfn);
 struct page *follow_page(struct vm_area_struct *, unsigned long address,
                        unsigned int foll_flags);
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index af190ceab971..29adaa781cb6 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -172,6 +172,7 @@ 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 */
@@ -216,11 +217,10 @@ struct mm_struct {
        unsigned long flags; /* Must use atomic bitops to access the bits */
        /* coredumping support */
-        int core_waiters;
        struct completion *core_startup_done, core_done;
        /* aio bits */
-        rwlock_t                ioctx_list_lock;
+        rwlock_t                ioctx_list_lock;        /* aio lock */
        struct kioctx           *ioctx_list;
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR
        struct mem_cgroup *mem_cgroup;
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 9f274a687c7e..aad98003176f 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -3,6 +3,7 @@
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
+#ifndef __GENERATING_BOUNDS_H
 #include <linux/spinlock.h>
 #include <linux/list.h>
@@ -15,6 +16,7 @@
 #include <linux/seqlock.h>
 #include <linux/nodemask.h>
 #include <linux/pageblock-flags.h>
+#include <linux/bounds.h>
 #include <asm/atomic.h>
 #include <asm/page.h>
@@ -129,6 +131,8 @@ struct per_cpu_pageset {
 #define zone_pcp(__z, __cpu) (&(__z)->pageset[(__cpu)])
 #endif
+#endif /* !__GENERATING_BOUNDS.H */
 enum zone_type {
 #ifdef CONFIG_ZONE_DMA
        /*
@@ -177,9 +181,11 @@ enum zone_type {
        ZONE_HIGHMEM,
 #endif
        ZONE_MOVABLE,
-        MAX_NR_ZONES
+        __MAX_NR_ZONES
 };
+#ifndef __GENERATING_BOUNDS_H
 /*
 * When a memory allocation must conform to specific limitations (such
 * as being suitable for DMA) the caller will pass in hints to the
@@ -188,28 +194,15 @@ enum zone_type {
 * match the requested limits. See gfp_zone() in include/linux/gfp.h
 */
-/*
+#if MAX_NR_ZONES < 2
- * Count the active zones.  Note that the use of defined(X) outside
- * #if and family is not necessarily defined so ensure we cannot use
- * it later.  Use __ZONE_COUNT to work out how many shift bits we need.
- */
-#define __ZONE_COUNT (                  \
-          defined(CONFIG_ZONE_DMA)      \
-        + defined(CONFIG_ZONE_DMA32)    \
-        + 1                             \
-        + defined(CONFIG_HIGHMEM)       \
-        + 1                             \
-)
-#if __ZONE_COUNT < 2
 #define ZONES_SHIFT 0
-#elif __ZONE_COUNT <= 2
+#elif MAX_NR_ZONES <= 2
 #define ZONES_SHIFT 1
-#elif __ZONE_COUNT <= 4
+#elif MAX_NR_ZONES <= 4
 #define ZONES_SHIFT 2
 #else
 #error ZONES_SHIFT -- too many zones configured adjust calculation
 #endif
-#undef __ZONE_COUNT
 struct zone {
        /* Fields commonly accessed by the page allocator */
@@ -393,10 +386,10 @@ static inline int zone_is_oom_locked(const struct zone *zone)
 * The NUMA zonelists are doubled becausse we need zonelists that restrict the
 * allocations to a single node for GFP_THISNODE.
 *
- * [0 .. MAX_NR_ZONES -1]               : Zonelists with fallback
+ * [0]  : Zonelist with fallback
- * [MAZ_NR_ZONES ... MAZ_ZONELISTS -1]  : No fallback (GFP_THISNODE)
+ * [1]  : No fallback (GFP_THISNODE)
 */
-#define MAX_ZONELISTS (2 * MAX_NR_ZONES)
+#define MAX_ZONELISTS 2
 /*
@@ -464,11 +457,20 @@ struct zonelist_cache {
        unsigned long last_full_zap;            /* when last zap'd (jiffies) */
 };
 #else
-#define MAX_ZONELISTS MAX_NR_ZONES
+#define MAX_ZONELISTS 1
 struct zonelist_cache;
 #endif
 /*
+ * This struct contains information about a zone in a zonelist. It is stored
+ * here to avoid dereferences into large structures and lookups of tables
+ */
+struct zoneref {
+        struct zone *zone;      /* Pointer to actual zone */
+        int zone_idx;           /* zone_idx(zoneref->zone) */
+};
+/*
 * One allocation request operates on a zonelist. A zonelist
 * is a list of zones, the first one is the 'goal' of the
 * allocation, the other zones are fallback zones, in decreasing
@@ -476,34 +478,23 @@ struct zonelist_cache;
 *
 * If zlcache_ptr is not NULL, then it is just the address of zlcache,
 * as explained above.  If zlcache_ptr is NULL, there is no zlcache.
+ * *
+ * To speed the reading of the zonelist, the zonerefs contain the zone index
+ * of the entry being read. Helper functions to access information given
+ * a struct zoneref are
+ *
+ * zonelist_zone()      - Return the struct zone * for an entry in _zonerefs
+ * zonelist_zone_idx()  - Return the index of the zone for an entry
+ * zonelist_node_idx()  - Return the index of the node for an entry
 */
 struct zonelist {
        struct zonelist_cache *zlcache_ptr;                  // NULL or &zlcache
-        struct zone *zones[MAX_ZONES_PER_ZONELIST + 1];      // NULL delimited
+        struct zoneref _zonerefs[MAX_ZONES_PER_ZONELIST + 1];
 #ifdef CONFIG_NUMA
        struct zonelist_cache zlcache;                       // optional ...
 #endif
 };
-#ifdef CONFIG_NUMA
-/*
- * Only custom zonelists like MPOL_BIND need to be filtered as part of
- * policies. As described in the comment for struct zonelist_cache, these
- * zonelists will not have a zlcache so zlcache_ptr will not be set. Use
- * that to determine if the zonelists needs to be filtered or not.
- */
-static inline int alloc_should_filter_zonelist(struct zonelist *zonelist)
-{
-        return !zonelist->zlcache_ptr;
-}
-#else
-static inline int alloc_should_filter_zonelist(struct zonelist *zonelist)
-{
-        return 0;
-}
-#endif /* CONFIG_NUMA */
 #ifdef CONFIG_ARCH_POPULATES_NODE_MAP
 struct node_active_region {
        unsigned long start_pfn;
@@ -637,9 +628,10 @@ static inline int is_normal_idx(enum zone_type idx)
 static inline int is_highmem(struct zone *zone)
 {
 #ifdef CONFIG_HIGHMEM
-        int zone_idx = zone - zone->zone_pgdat->node_zones;
+        int zone_off = (char *)zone - (char *)zone->zone_pgdat->node_zones;
-        return zone_idx == ZONE_HIGHMEM ||
+        return zone_off == ZONE_HIGHMEM * sizeof(*zone) ||
-                (zone_idx == ZONE_MOVABLE && zone_movable_is_highmem());
+               (zone_off == ZONE_MOVABLE * sizeof(*zone) &&
+                zone_movable_is_highmem());
 #else
        return 0;
 #endif
@@ -730,32 +722,103 @@ extern struct zone *next_zone(struct zone *zone);
             zone;                                      \
             zone = next_zone(zone))
-#ifdef CONFIG_SPARSEMEM
+static inline struct zone *zonelist_zone(struct zoneref *zoneref)
-#include <asm/sparsemem.h>
+{
-#endif
+        return zoneref->zone;
+}
-#if BITS_PER_LONG == 32
+static inline int zonelist_zone_idx(struct zoneref *zoneref)
-/*
+{
- * with 32 bit page->flags field, we reserve 9 bits for node/zone info.
+        return zoneref->zone_idx;
- * there are 4 zones (3 bits) and this leaves 9-3=6 bits for nodes.
+}
+static inline int zonelist_node_idx(struct zoneref *zoneref)
+{
+#ifdef CONFIG_NUMA
+        /* zone_to_nid not available in this context */
+        return zoneref->zone->node;
+#else
+        return 0;
+#endif /* CONFIG_NUMA */
+}
+/**
+ * next_zones_zonelist - Returns the next zone at or below highest_zoneidx within the allowed nodemask using a cursor within a zonelist as a starting point
+ * @z - The cursor used as a starting point for the search
+ * @highest_zoneidx - The zone index of the highest zone to return
+ * @nodes - An optional nodemask to filter the zonelist with
+ * @zone - The first suitable zone found is returned via this parameter
+ *
+ * This function returns the next zone at or below a given zone index that is
+ * within the allowed nodemask using a cursor as the starting point for the
+ * search. The zoneref returned is a cursor that is used as the next starting
+ * point for future calls to next_zones_zonelist().
 */
-#define FLAGS_RESERVED          9
+struct zoneref *next_zones_zonelist(struct zoneref *z,
+                                        enum zone_type highest_zoneidx,
+                                        nodemask_t *nodes,
+                                        struct zone **zone);
-#elif BITS_PER_LONG == 64
+/**
-/*
+ * first_zones_zonelist - Returns the first zone at or below highest_zoneidx within the allowed nodemask in a zonelist
- * with 64 bit flags field, there's plenty of room.
+ * @zonelist - The zonelist to search for a suitable zone
+ * @highest_zoneidx - The zone index of the highest zone to return
+ * @nodes - An optional nodemask to filter the zonelist with
+ * @zone - The first suitable zone found is returned via this parameter
+ *
+ * This function returns the first zone at or below a given zone index that is
+ * within the allowed nodemask. The zoneref returned is a cursor that can be
+ * used to iterate the zonelist with next_zones_zonelist. The cursor should
+ * not be used by the caller as it does not match the value of the zone
+ * returned.
 */
-#define FLAGS_RESERVED          32
+static inline struct zoneref *first_zones_zonelist(struct zonelist *zonelist,
+                                        enum zone_type highest_zoneidx,
+                                        nodemask_t *nodes,
+                                        struct zone **zone)
+{
+        return next_zones_zonelist(zonelist->_zonerefs, highest_zoneidx, nodes,
+                                                                zone);
+}
-#else
+/**
+ * for_each_zone_zonelist_nodemask - helper macro to iterate over valid zones in a zonelist at or below a given zone index and within a nodemask
+ * @zone - The current zone in the iterator
+ * @z - The current pointer within zonelist->zones being iterated
+ * @zlist - The zonelist being iterated
+ * @highidx - The zone index of the highest zone to return
+ * @nodemask - Nodemask allowed by the allocator
+ *
+ * This iterator iterates though all zones at or below a given zone index and
+ * within a given nodemask
+ */
+#define for_each_zone_zonelist_nodemask(zone, z, zlist, highidx, nodemask) \
+        for (z = first_zones_zonelist(zlist, highidx, nodemask, &zone); \
+                zone;                                                   \
+                z = next_zones_zonelist(z, highidx, nodemask, &zone))   \
-#error BITS_PER_LONG not defined
+/**
+ * for_each_zone_zonelist - helper macro to iterate over valid zones in a zonelist at or below a given zone index
+ * @zone - The current zone in the iterator
+ * @z - The current pointer within zonelist->zones being iterated
+ * @zlist - The zonelist being iterated
+ * @highidx - The zone index of the highest zone to return
+ *
+ * This iterator iterates though all zones at or below a given zone index.
+ */
+#define for_each_zone_zonelist(zone, z, zlist, highidx) \
+        for_each_zone_zonelist_nodemask(zone, z, zlist, highidx, NULL)
+#ifdef CONFIG_SPARSEMEM
+#include <asm/sparsemem.h>
 #endif
 #if !defined(CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID) && \
        !defined(CONFIG_ARCH_POPULATES_NODE_MAP)
-#define early_pfn_to_nid(nid)  (0UL)
+static inline unsigned long early_pfn_to_nid(unsigned long pfn)
+{
+        return 0;
+}
 #endif
 #ifdef CONFIG_FLATMEM
@@ -833,6 +896,7 @@ static inline struct mem_section *__nr_to_section(unsigned long nr)
        return &mem_section[SECTION_NR_TO_ROOT(nr)][nr & SECTION_ROOT_MASK];
 }
 extern int __section_nr(struct mem_section* ms);
+extern unsigned long usemap_size(void);
 /*
 * We use the lower bits of the mem_map pointer to store
@@ -938,6 +1002,7 @@ unsigned long __init node_memmap_size_bytes(int, unsigned long, unsigned long);
 #define pfn_valid_within(pfn) (1)
 #endif
+#endif /* !__GENERATING_BOUNDS.H */
 #endif /* !__ASSEMBLY__ */
 #endif /* __KERNEL__ */
 #endif /* _LINUX_MMZONE_H */
diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h
index f950921523f5..b03b27457413 100644
--- a/include/linux/msdos_fs.h
+++ b/include/linux/msdos_fs.h
@@ -58,7 +58,11 @@
 #define MSDOS_DOTDOT    "..         "   /* "..", padded to MSDOS_NAME chars */
 /* media of boot sector */
-#define FAT_VALID_MEDIA(x)      ((0xF8 <= (x) && (x) <= 0xFF) || (x) == 0xF0)
+static inline int fat_valid_media(u8 media)
+{
+        return 0xf8 <= media || media == 0xf0;
+}
 #define FAT_FIRST_ENT(s, x)     ((MSDOS_SB(s)->fat_bits == 32 ? 0x0FFFFF00 : \
        MSDOS_SB(s)->fat_bits == 16 ? 0xFF00 : 0xF00) | (x))
@@ -195,6 +199,7 @@ struct fat_mount_options {
        char *iocharset;          /* Charset used for filename input/display */
        unsigned short shortname; /* flags for shortname display/create rule */
        unsigned char name_check; /* r = relaxed, n = normal, s = strict */
+        unsigned short allow_utime;/* permission for setting the [am]time */
        unsigned quiet:1,         /* set = fake successful chmods and chowns */
                 showexec:1,      /* set = only set x bit for com/exe/bat */
                 sys_immutable:1, /* set = system files are immutable */
@@ -232,6 +237,7 @@ struct msdos_sb_info {
        struct mutex fat_lock;
        unsigned int prev_free;      /* previously allocated cluster number */
        unsigned int free_clusters;  /* -1 if undefined */
+        unsigned int free_clus_valid; /* is free_clusters valid? */
        struct fat_mount_options options;
        struct nls_table *nls_disk;  /* Codepage used on disk */
        struct nls_table *nls_io;    /* Charset used for input and display */
@@ -401,7 +407,7 @@ extern int fat_generic_ioctl(struct inode *inode, struct file *filp,
                             unsigned int cmd, unsigned long arg);
 extern const struct file_operations fat_file_operations;
 extern const struct inode_operations fat_file_inode_operations;
-extern int fat_notify_change(struct dentry * dentry, struct iattr * attr);
+extern int fat_setattr(struct dentry * dentry, struct iattr * attr);
 extern void fat_truncate(struct inode *inode);
 extern int fat_getattr(struct vfsmount *mnt, struct dentry *dentry,
                       struct kstat *stat);
diff --git a/include/linux/ncp_fs.h b/include/linux/ncp_fs.h
index 88766e43e121..9f2d76347f19 100644
--- a/include/linux/ncp_fs.h
+++ b/include/linux/ncp_fs.h
@@ -204,6 +204,7 @@ void ncp_update_inode2(struct inode *, struct ncp_entry_info *);
 /* linux/fs/ncpfs/dir.c */
 extern const struct inode_operations ncp_dir_inode_operations;
 extern const struct file_operations ncp_dir_operations;
+extern struct dentry_operations ncp_root_dentry_operations;
 int ncp_conn_logged_in(struct super_block *);
 int ncp_date_dos2unix(__le16 time, __le16 date);
 void ncp_date_unix2dos(int unix_date, __le16 * time, __le16 * date);
@@ -223,6 +224,12 @@ int ncp_disconnect(struct ncp_server *server);
 void ncp_lock_server(struct ncp_server *server);
 void ncp_unlock_server(struct ncp_server *server);
+/* linux/fs/ncpfs/symlink.c */
+#if defined(CONFIG_NCPFS_EXTRAS) || defined(CONFIG_NCPFS_NFS_NS)
+extern const struct address_space_operations ncp_symlink_aops;
+int ncp_symlink(struct inode*, struct dentry*, const char*);
+#endif
 /* linux/fs/ncpfs/file.c */
 extern const struct inode_operations ncp_file_inode_operations;
 extern const struct file_operations ncp_file_operations;
diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h
index 905e18f4b412..848025cd7087 100644
--- a/include/linux/nodemask.h
+++ b/include/linux/nodemask.h
@@ -14,6 +14,8 @@
 * bitmap_scnlistprintf() and bitmap_parselist(), also in bitmap.c.
 * For details of node_remap(), see bitmap_bitremap in lib/bitmap.c.
 * For details of nodes_remap(), see bitmap_remap in lib/bitmap.c.
+ * For details of nodes_onto(), see bitmap_onto in lib/bitmap.c.
+ * For details of nodes_fold(), see bitmap_fold in lib/bitmap.c.
 *
 * The available nodemask operations are:
 *
@@ -55,7 +57,9 @@
 * int nodelist_scnprintf(buf, len, mask) Format nodemask as list for printing
 * int nodelist_parse(buf, map)         Parse ascii string as nodelist
 * int node_remap(oldbit, old, new)     newbit = map(old, new)(oldbit)
- * int nodes_remap(dst, src, old, new)  *dst = map(old, new)(dst)
+ * void nodes_remap(dst, src, old, new) *dst = map(old, new)(src)
+ * void nodes_onto(dst, orig, relmap)   *dst = orig relative to relmap
+ * void nodes_fold(dst, orig, sz)       dst bits = orig bits mod sz
 *
 * for_each_node_mask(node, mask)       for-loop node over mask
 *
@@ -326,6 +330,22 @@ static inline void __nodes_remap(nodemask_t *dstp, const nodemask_t *srcp,
        bitmap_remap(dstp->bits, srcp->bits, oldp->bits, newp->bits, nbits);
 }
+#define nodes_onto(dst, orig, relmap) \
+                __nodes_onto(&(dst), &(orig), &(relmap), MAX_NUMNODES)
+static inline void __nodes_onto(nodemask_t *dstp, const nodemask_t *origp,
+                const nodemask_t *relmapp, int nbits)
+{
+        bitmap_onto(dstp->bits, origp->bits, relmapp->bits, nbits);
+}
+#define nodes_fold(dst, orig, sz) \
+                __nodes_fold(&(dst), &(orig), sz, MAX_NUMNODES)
+static inline void __nodes_fold(nodemask_t *dstp, const nodemask_t *origp,
+                int sz, int nbits)
+{
+        bitmap_fold(dstp->bits, origp->bits, sz, nbits);
+}
 #if MAX_NUMNODES > 1
 #define for_each_node_mask(node, mask)                  \
        for ((node) = first_node(mask);                 \
diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index f4df40038f0c..20dfed590183 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -247,6 +247,7 @@ extern struct blocking_notifier_head reboot_notifier_list;
 #define VT_DEALLOCATE           0x0002 /* Console will be deallocated */
 #define VT_WRITE                0x0003 /* A char got output */
 #define VT_UPDATE               0x0004 /* A bigger update occurred */
+#define VT_PREWRITE             0x0005 /* A char is about to be written to the console */
 #endif /* __KERNEL__ */
 #endif /* _LINUX_NOTIFIER_H */
diff --git a/include/linux/oom.h b/include/linux/oom.h
index 3852436b652a..a7979baf1e39 100644
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -23,8 +23,8 @@ enum oom_constraint {
        CONSTRAINT_MEMORY_POLICY,
 };
-extern int try_set_zone_oom(struct zonelist *zonelist);
+extern int try_set_zone_oom(struct zonelist *zonelist, gfp_t gfp_flags);
-extern void clear_zonelist_oom(struct zonelist *zonelist);
+extern void clear_zonelist_oom(struct zonelist *zonelist, gfp_t gfp_flags);
 extern void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, int order);
 extern int register_oom_notifier(struct notifier_block *nb);
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index b5b30f1c1e59..590cff32415d 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -6,7 +6,10 @@
 #define PAGE_FLAGS_H
 #include <linux/types.h>
+#ifndef __GENERATING_BOUNDS_H
 #include <linux/mm_types.h>
+#include <linux/bounds.h>
+#endif /* !__GENERATING_BOUNDS_H */
 /*
 * Various page->flags bits:
@@ -59,77 +62,138 @@
 * extends from the high bits downwards.
 *
 *  | FIELD | ... | FLAGS |
- *  N-1     ^             0
+ *  N-1           ^       0
- *          (N-FLAGS_RESERVED)
+ *               (NR_PAGEFLAGS)
 *
- * The fields area is reserved for fields mapping zone, node and SPARSEMEM
+ * The fields area is reserved for fields mapping zone, node (for NUMA) and
- * section.  The boundry between these two areas is defined by
+ * SPARSEMEM section (for variants of SPARSEMEM that require section ids like
- * FLAGS_RESERVED which defines the width of the fields section
+ * SPARSEMEM_EXTREME with !SPARSEMEM_VMEMMAP).
- * (see linux/mmzone.h).  New flags must _not_ overlap with this area.
 */
-#define PG_locked                0      /* Page is locked. Don't touch. */
+enum pageflags {
-#define PG_error                 1
+        PG_locked,              /* Page is locked. Don't touch. */
-#define PG_referenced            2
+        PG_error,
-#define PG_uptodate              3
+        PG_referenced,
+        PG_uptodate,
+        PG_dirty,
+        PG_lru,
+        PG_active,
+        PG_slab,
+        PG_owner_priv_1,        /* Owner use. If pagecache, fs may use*/
+        PG_arch_1,
+        PG_reserved,
+        PG_private,             /* If pagecache, has fs-private data */
+        PG_writeback,           /* Page is under writeback */
+#ifdef CONFIG_PAGEFLAGS_EXTENDED
+        PG_head,                /* A head page */
+        PG_tail,                /* A tail page */
+#else
+        PG_compound,            /* A compound page */
+#endif
+        PG_swapcache,           /* Swap page: swp_entry_t in private */
+        PG_mappedtodisk,        /* Has blocks allocated on-disk */
+        PG_reclaim,             /* To be reclaimed asap */
+        PG_buddy,               /* Page is free, on buddy lists */
+#ifdef CONFIG_IA64_UNCACHED_ALLOCATOR
+        PG_uncached,            /* Page has been mapped as uncached */
+#endif
+        __NR_PAGEFLAGS
+};
+#ifndef __GENERATING_BOUNDS_H
+/*
+ * Macros to create function definitions for page flags
+ */
+#define TESTPAGEFLAG(uname, lname)                                      \
+static inline int Page##uname(struct page *page)                        \
+                        { return test_bit(PG_##lname, &page->flags); }
-#define PG_dirty                 4
+#define SETPAGEFLAG(uname, lname)                                       \
-#define PG_lru                   5
+static inline void SetPage##uname(struct page *page)                    \
-#define PG_active                6
+                        { set_bit(PG_##lname, &page->flags); }
-#define PG_slab                  7      /* slab debug (Suparna wants this) */
-#define PG_owner_priv_1          8      /* Owner use. If pagecache, fs may use*/
+#define CLEARPAGEFLAG(uname, lname)                                     \
-#define PG_arch_1                9
+static inline void ClearPage##uname(struct page *page)                  \
-#define PG_reserved             10
+                        { clear_bit(PG_##lname, &page->flags); }
-#define PG_private              11      /* If pagecache, has fs-private data */
-#define PG_writeback            12      /* Page is under writeback */
+#define __SETPAGEFLAG(uname, lname)                                     \
-#define PG_compound             14      /* Part of a compound page */
+static inline void __SetPage##uname(struct page *page)                  \
-#define PG_swapcache            15      /* Swap page: swp_entry_t in private */
+                        { __set_bit(PG_##lname, &page->flags); }
-#define PG_mappedtodisk         16      /* Has blocks allocated on-disk */
+#define __CLEARPAGEFLAG(uname, lname)                                   \
-#define PG_reclaim              17      /* To be reclaimed asap */
+static inline void __ClearPage##uname(struct page *page)                \
-#define PG_buddy                19      /* Page is free, on buddy lists */
+                        { __clear_bit(PG_##lname, &page->flags); }
+#define TESTSETFLAG(uname, lname)                                       \
+static inline int TestSetPage##uname(struct page *page)                 \
+                { return test_and_set_bit(PG_##lname, &page->flags); }
+#define TESTCLEARFLAG(uname, lname)                                     \
+static inline int TestClearPage##uname(struct page *page)               \
+                { return test_and_clear_bit(PG_##lname, &page->flags); }
-/* PG_readahead is only used for file reads; PG_reclaim is only for writes */
-#define PG_readahead            PG_reclaim /* Reminder to do async read-ahead */
-/* PG_owner_priv_1 users should have descriptive aliases */
+#define PAGEFLAG(uname, lname) TESTPAGEFLAG(uname, lname)               \
-#define PG_checked              PG_owner_priv_1 /* Used by some filesystems */
+        SETPAGEFLAG(uname, lname) CLEARPAGEFLAG(uname, lname)
-#define PG_pinned               PG_owner_priv_1 /* Xen pinned pagetable */
+#define __PAGEFLAG(uname, lname) TESTPAGEFLAG(uname, lname)             \
+        __SETPAGEFLAG(uname, lname)  __CLEARPAGEFLAG(uname, lname)
+#define PAGEFLAG_FALSE(uname)                                           \
+static inline int Page##uname(struct page *page)                        \
+                        { return 0; }
+#define TESTSCFLAG(uname, lname)                                        \
+        TESTSETFLAG(uname, lname) TESTCLEARFLAG(uname, lname)
+struct page;    /* forward declaration */
+PAGEFLAG(Locked, locked) TESTSCFLAG(Locked, locked)
+PAGEFLAG(Error, error)
+PAGEFLAG(Referenced, referenced) TESTCLEARFLAG(Referenced, referenced)
+PAGEFLAG(Dirty, dirty) TESTSCFLAG(Dirty, dirty) __CLEARPAGEFLAG(Dirty, dirty)
+PAGEFLAG(LRU, lru) __CLEARPAGEFLAG(LRU, lru)
+PAGEFLAG(Active, active) __CLEARPAGEFLAG(Active, active)
+__PAGEFLAG(Slab, slab)
+PAGEFLAG(Checked, owner_priv_1)         /* Used by some filesystems */
+PAGEFLAG(Pinned, owner_priv_1) TESTSCFLAG(Pinned, owner_priv_1) /* Xen */
+PAGEFLAG(Reserved, reserved) __CLEARPAGEFLAG(Reserved, reserved)
+PAGEFLAG(Private, private) __CLEARPAGEFLAG(Private, private)
+        __SETPAGEFLAG(Private, private)
-#if (BITS_PER_LONG > 32)
 /*
- * 64-bit-only flags build down from bit 31
+ * Only test-and-set exist for PG_writeback.  The unconditional operators are
- *
+ * risky: they bypass page accounting.
- * 32 bit  -------------------------------| FIELDS |       FLAGS         |
- * 64 bit  |           FIELDS             | ??????         FLAGS         |
- *         63                            32                              0
 */
-#define PG_uncached             31      /* Page has been mapped as uncached */
+TESTPAGEFLAG(Writeback, writeback) TESTSCFLAG(Writeback, writeback)
-#endif
+__PAGEFLAG(Buddy, buddy)
+PAGEFLAG(MappedToDisk, mappedtodisk)
+/* PG_readahead is only used for file reads; PG_reclaim is only for writes */
+PAGEFLAG(Reclaim, reclaim) TESTCLEARFLAG(Reclaim, reclaim)
+PAGEFLAG(Readahead, reclaim)            /* Reminder to do async read-ahead */
+#ifdef CONFIG_HIGHMEM
 /*
- * Manipulation of page state flags
+ * Must use a macro here due to header dependency issues. page_zone() is not
+ * available at this point.
 */
-#define PageLocked(page)                \
+#define PageHighMem(__p) is_highmem(page_zone(__p))
-                test_bit(PG_locked, &(page)->flags)
+#else
-#define SetPageLocked(page)             \
+PAGEFLAG_FALSE(HighMem)
-                set_bit(PG_locked, &(page)->flags)
+#endif
-#define TestSetPageLocked(page)         \
-                test_and_set_bit(PG_locked, &(page)->flags)
+#ifdef CONFIG_SWAP
-#define ClearPageLocked(page)           \
+PAGEFLAG(SwapCache, swapcache)
-                clear_bit(PG_locked, &(page)->flags)
+#else
-#define TestClearPageLocked(page)       \
+PAGEFLAG_FALSE(SwapCache)
-                test_and_clear_bit(PG_locked, &(page)->flags)
+#endif
-#define PageError(page)         test_bit(PG_error, &(page)->flags)
+#ifdef CONFIG_IA64_UNCACHED_ALLOCATOR
-#define SetPageError(page)      set_bit(PG_error, &(page)->flags)
+PAGEFLAG(Uncached, uncached)
-#define ClearPageError(page)    clear_bit(PG_error, &(page)->flags)
+#else
+PAGEFLAG_FALSE(Uncached)
-#define PageReferenced(page)    test_bit(PG_referenced, &(page)->flags)
+#endif
-#define SetPageReferenced(page) set_bit(PG_referenced, &(page)->flags)
-#define ClearPageReferenced(page)       clear_bit(PG_referenced, &(page)->flags)
-#define TestClearPageReferenced(page) test_and_clear_bit(PG_referenced, &(page)->flags)
 static inline int PageUptodate(struct page *page)
 {
@@ -177,97 +241,59 @@ static inline void SetPageUptodate(struct page *page)
 #endif
 }
-#define ClearPageUptodate(page) clear_bit(PG_uptodate, &(page)->flags)
+CLEARPAGEFLAG(Uptodate, uptodate)
-#define PageDirty(page)         test_bit(PG_dirty, &(page)->flags)
-#define SetPageDirty(page)      set_bit(PG_dirty, &(page)->flags)
-#define TestSetPageDirty(page)  test_and_set_bit(PG_dirty, &(page)->flags)
-#define ClearPageDirty(page)    clear_bit(PG_dirty, &(page)->flags)
-#define __ClearPageDirty(page)  __clear_bit(PG_dirty, &(page)->flags)
-#define TestClearPageDirty(page) test_and_clear_bit(PG_dirty, &(page)->flags)
-#define PageLRU(page)           test_bit(PG_lru, &(page)->flags)
-#define SetPageLRU(page)        set_bit(PG_lru, &(page)->flags)
-#define ClearPageLRU(page)      clear_bit(PG_lru, &(page)->flags)
-#define __ClearPageLRU(page)    __clear_bit(PG_lru, &(page)->flags)
-#define PageActive(page)        test_bit(PG_active, &(page)->flags)
-#define SetPageActive(page)     set_bit(PG_active, &(page)->flags)
-#define ClearPageActive(page)   clear_bit(PG_active, &(page)->flags)
-#define __ClearPageActive(page) __clear_bit(PG_active, &(page)->flags)
-#define PageSlab(page)          test_bit(PG_slab, &(page)->flags)
-#define __SetPageSlab(page)     __set_bit(PG_slab, &(page)->flags)
-#define __ClearPageSlab(page)   __clear_bit(PG_slab, &(page)->flags)
-#ifdef CONFIG_HIGHMEM
-#define PageHighMem(page)       is_highmem(page_zone(page))
-#else
-#define PageHighMem(page)       0 /* needed to optimize away at compile time */
-#endif
-#define PageChecked(page)       test_bit(PG_checked, &(page)->flags)
+extern void cancel_dirty_page(struct page *page, unsigned int account_size);
-#define SetPageChecked(page)    set_bit(PG_checked, &(page)->flags)
-#define ClearPageChecked(page)  clear_bit(PG_checked, &(page)->flags)
-#define PagePinned(page)        test_bit(PG_pinned, &(page)->flags)
-#define SetPagePinned(page)     set_bit(PG_pinned, &(page)->flags)
-#define ClearPagePinned(page)   clear_bit(PG_pinned, &(page)->flags)
-#define PageReserved(page)      test_bit(PG_reserved, &(page)->flags)
+int test_clear_page_writeback(struct page *page);
-#define SetPageReserved(page)   set_bit(PG_reserved, &(page)->flags)
+int test_set_page_writeback(struct page *page);
-#define ClearPageReserved(page) clear_bit(PG_reserved, &(page)->flags)
-#define __ClearPageReserved(page)       __clear_bit(PG_reserved, &(page)->flags)
-#define SetPagePrivate(page)    set_bit(PG_private, &(page)->flags)
+static inline void set_page_writeback(struct page *page)
-#define ClearPagePrivate(page)  clear_bit(PG_private, &(page)->flags)
+{
-#define PagePrivate(page)       test_bit(PG_private, &(page)->flags)
+        test_set_page_writeback(page);
-#define __SetPagePrivate(page)  __set_bit(PG_private, &(page)->flags)
+}
-#define __ClearPagePrivate(page) __clear_bit(PG_private, &(page)->flags)
+#ifdef CONFIG_PAGEFLAGS_EXTENDED
 /*
- * Only test-and-set exist for PG_writeback.  The unconditional operators are
+ * System with lots of page flags available. This allows separate
- * risky: they bypass page accounting.
+ * flags for PageHead() and PageTail() checks of compound pages so that bit
+ * tests can be used in performance sensitive paths. PageCompound is
+ * generally not used in hot code paths.
 */
-#define PageWriteback(page)     test_bit(PG_writeback, &(page)->flags)
+__PAGEFLAG(Head, head)
-#define TestSetPageWriteback(page) test_and_set_bit(PG_writeback,       \
+__PAGEFLAG(Tail, tail)
-                                                        &(page)->flags)
-#define TestClearPageWriteback(page) test_and_clear_bit(PG_writeback,   \
-                                                        &(page)->flags)
-#define PageBuddy(page)         test_bit(PG_buddy, &(page)->flags)
+static inline int PageCompound(struct page *page)
-#define __SetPageBuddy(page)    __set_bit(PG_buddy, &(page)->flags)
+{
-#define __ClearPageBuddy(page)  __clear_bit(PG_buddy, &(page)->flags)
+        return page->flags & ((1L << PG_head) | (1L << PG_tail));
-#define PageMappedToDisk(page)  test_bit(PG_mappedtodisk, &(page)->flags)
-#define SetPageMappedToDisk(page) set_bit(PG_mappedtodisk, &(page)->flags)
-#define ClearPageMappedToDisk(page) clear_bit(PG_mappedtodisk, &(page)->flags)
-#define PageReadahead(page)     test_bit(PG_readahead, &(page)->flags)
-#define SetPageReadahead(page)  set_bit(PG_readahead, &(page)->flags)
-#define ClearPageReadahead(page) clear_bit(PG_readahead, &(page)->flags)
-#define PageReclaim(page)       test_bit(PG_reclaim, &(page)->flags)
-#define SetPageReclaim(page)    set_bit(PG_reclaim, &(page)->flags)
-#define ClearPageReclaim(page)  clear_bit(PG_reclaim, &(page)->flags)
-#define TestClearPageReclaim(page) test_and_clear_bit(PG_reclaim, &(page)->flags)
-#define PageCompound(page)      test_bit(PG_compound, &(page)->flags)
+}
-#define __SetPageCompound(page) __set_bit(PG_compound, &(page)->flags)
+#else
-#define __ClearPageCompound(page) __clear_bit(PG_compound, &(page)->flags)
+/*
+ * Reduce page flag use as much as possible by overlapping
+ * compound page flags with the flags used for page cache pages. Possible
+ * because PageCompound is always set for compound pages and not for
+ * pages on the LRU and/or pagecache.
+ */
+TESTPAGEFLAG(Compound, compound)
+__PAGEFLAG(Head, compound)
 /*
 * PG_reclaim is used in combination with PG_compound to mark the
- * head and tail of a compound page
+ * head and tail of a compound page. This saves one page flag
+ * but makes it impossible to use compound pages for the page cache.
+ * The PG_reclaim bit would have to be used for reclaim or readahead
+ * if compound pages enter the page cache.
 *
 * PG_compound & PG_reclaim     => Tail page
 * PG_compound & ~PG_reclaim    => Head page
 */
 #define PG_head_tail_mask ((1L << PG_compound) | (1L << PG_reclaim))
-#define PageTail(page)  (((page)->flags & PG_head_tail_mask)    \
+static inline int PageTail(struct page *page)
-                                == PG_head_tail_mask)
+{
+        return ((page->flags & PG_head_tail_mask) == PG_head_tail_mask);
+}
 static inline void __SetPageTail(struct page *page)
 {
@@ -279,33 +305,6 @@ static inline void __ClearPageTail(struct page *page)
        page->flags &= ~PG_head_tail_mask;
 }
-#define PageHead(page)  (((page)->flags & PG_head_tail_mask)    \
+#endif /* !PAGEFLAGS_EXTENDED */
-                                == (1L << PG_compound))
+#endif /* !__GENERATING_BOUNDS_H */
-#define __SetPageHead(page)     __SetPageCompound(page)
-#define __ClearPageHead(page)   __ClearPageCompound(page)
-#ifdef CONFIG_SWAP
-#define PageSwapCache(page)     test_bit(PG_swapcache, &(page)->flags)
-#define SetPageSwapCache(page)  set_bit(PG_swapcache, &(page)->flags)
-#define ClearPageSwapCache(page) clear_bit(PG_swapcache, &(page)->flags)
-#else
-#define PageSwapCache(page)     0
-#endif
-#define PageUncached(page)      test_bit(PG_uncached, &(page)->flags)
-#define SetPageUncached(page)   set_bit(PG_uncached, &(page)->flags)
-#define ClearPageUncached(page) clear_bit(PG_uncached, &(page)->flags)
-struct page;    /* forward declaration */
-extern void cancel_dirty_page(struct page *page, unsigned int account_size);
-int test_clear_page_writeback(struct page *page);
-int test_set_page_writeback(struct page *page);
-static inline void set_page_writeback(struct page *page)
-{
-        test_set_page_writeback(page);
-}
 #endif  /* PAGE_FLAGS_H */
diff --git a/include/linux/prctl.h b/include/linux/prctl.h
index 5c80b1939636..5ad79198d6f9 100644
--- a/include/linux/prctl.h
+++ b/include/linux/prctl.h
@@ -16,7 +16,8 @@
 # define PR_UNALIGN_NOPRINT     1       /* silently fix up unaligned user accesses */
 # define PR_UNALIGN_SIGBUS      2       /* generate SIGBUS on unaligned user access */
-/* Get/set whether or not to drop capabilities on setuid() away from uid 0 */
+/* Get/set whether or not to drop capabilities on setuid() away from
+ * uid 0 (as per security/commoncap.c) */
 #define PR_GET_KEEPCAPS   7
 #define PR_SET_KEEPCAPS   8
@@ -63,7 +64,7 @@
 #define PR_GET_SECCOMP  21
 #define PR_SET_SECCOMP  22
-/* Get/set the capability bounding set */
+/* Get/set the capability bounding set (as per security/commoncap.c) */
 #define PR_CAPBSET_READ 23
 #define PR_CAPBSET_DROP 24
@@ -73,4 +74,8 @@
 # define PR_TSC_ENABLE          1       /* allow the use of the timestamp counter */
 # define PR_TSC_SIGSEGV         2       /* throw a SIGSEGV instead of reading the TSC */
+/* Get/set securebits (as per security/commoncap.c) */
+#define PR_GET_SECUREBITS 27
+#define PR_SET_SECUREBITS 28
 #endif /* _LINUX_PRCTL_H */
diff --git a/include/linux/quota.h b/include/linux/quota.h
index eb560d031acd..52e49dce6584 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -202,10 +202,14 @@ struct quota_format_type;
 struct mem_dqinfo {
        struct quota_format_type *dqi_format;
+        int dqi_fmt_id;         /* Id of the dqi_format - used when turning
+                                 * quotas on after remount RW */
        struct list_head dqi_dirty_list;        /* List of dirty dquots */
        unsigned long dqi_flags;
        unsigned int dqi_bgrace;
        unsigned int dqi_igrace;
+        qsize_t dqi_maxblimit;
+        qsize_t dqi_maxilimit;
        union {
                struct v1_mem_dqinfo v1_i;
                struct v2_mem_dqinfo v2_i;
@@ -296,8 +300,8 @@ struct dquot_operations {
 /* Operations handling requests from userspace */
 struct quotactl_ops {
-        int (*quota_on)(struct super_block *, int, int, char *);
+        int (*quota_on)(struct super_block *, int, int, char *, int);
-        int (*quota_off)(struct super_block *, int);
+        int (*quota_off)(struct super_block *, int, int);
        int (*quota_sync)(struct super_block *, int);
        int (*get_info)(struct super_block *, int, struct if_dqinfo *);
        int (*set_info)(struct super_block *, int, struct if_dqinfo *);
@@ -318,6 +322,10 @@ struct quota_format_type {
 #define DQUOT_USR_ENABLED       0x01            /* User diskquotas enabled */
 #define DQUOT_GRP_ENABLED       0x02            /* Group diskquotas enabled */
+#define DQUOT_USR_SUSPENDED     0x04            /* User diskquotas are off, but
+                                                 * we have necessary info in
+                                                 * memory to turn them on */
+#define DQUOT_GRP_SUSPENDED     0x08            /* The same for group quotas */
 struct quota_info {
        unsigned int flags;                     /* Flags for diskquotas on this device */
@@ -329,17 +337,16 @@ struct quota_info {
        struct quota_format_ops *ops[MAXQUOTAS];        /* Operations for each type */
 };
-/* Inline would be better but we need to dereference super_block which is not defined yet */
-int mark_dquot_dirty(struct dquot *dquot);
-#define dquot_dirty(dquot) test_bit(DQ_MOD_B, &(dquot)->dq_flags)
 #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))
 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 5110201a4159..f86702053853 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -37,11 +37,11 @@ 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);
+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);
+extern int vfs_quota_off(struct super_block *sb, int type, int remount);
-#define vfs_quota_off_mount(sb, type) vfs_quota_off(sb, type)
 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);
@@ -59,7 +59,7 @@ 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 DQUOT_INIT(struct inode *inode)
 {
        BUG_ON(!inode->i_sb);
        if (sb_any_quota_enabled(inode->i_sb) && !IS_NOQUOTA(inode))
@@ -67,7 +67,7 @@ static __inline__ void DQUOT_INIT(struct inode *inode)
 }
 /* The same as with DQUOT_INIT */
-static __inline__ void DQUOT_DROP(struct inode *inode)
+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
@@ -90,7 +90,7 @@ static __inline__ void DQUOT_DROP(struct inode *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 DQUOT_PREALLOC_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
 {
        if (sb_any_quota_enabled(inode->i_sb)) {
                /* Used space is updated in alloc_space() */
@@ -102,7 +102,7 @@ static __inline__ int DQUOT_PREALLOC_SPACE_NODIRTY(struct inode *inode, qsize_t
        return 0;
 }
-static __inline__ int DQUOT_PREALLOC_SPACE(struct inode *inode, qsize_t nr)
+static inline int DQUOT_PREALLOC_SPACE(struct inode *inode, qsize_t nr)
 {
        int ret;
        if (!(ret =  DQUOT_PREALLOC_SPACE_NODIRTY(inode, nr)))
@@ -110,7 +110,7 @@ static __inline__ int DQUOT_PREALLOC_SPACE(struct inode *inode, qsize_t nr)
        return ret;
 }
-static __inline__ int DQUOT_ALLOC_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
+static inline int DQUOT_ALLOC_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
 {
        if (sb_any_quota_enabled(inode->i_sb)) {
                /* Used space is updated in alloc_space() */
@@ -122,7 +122,7 @@ 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 DQUOT_ALLOC_SPACE(struct inode *inode, qsize_t nr)
 {
        int ret;
        if (!(ret = DQUOT_ALLOC_SPACE_NODIRTY(inode, nr)))
@@ -130,7 +130,7 @@ static __inline__ int DQUOT_ALLOC_SPACE(struct inode *inode, qsize_t nr)
        return ret;
 }
-static __inline__ int DQUOT_ALLOC_INODE(struct inode *inode)
+static inline int DQUOT_ALLOC_INODE(struct inode *inode)
 {
        if (sb_any_quota_enabled(inode->i_sb)) {
                DQUOT_INIT(inode);
@@ -140,7 +140,7 @@ static __inline__ int DQUOT_ALLOC_INODE(struct inode *inode)
        return 0;
 }
-static __inline__ void DQUOT_FREE_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
+static inline void DQUOT_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);
@@ -148,19 +148,19 @@ 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 DQUOT_FREE_SPACE(struct inode *inode, qsize_t nr)
 {
        DQUOT_FREE_SPACE_NODIRTY(inode, nr);
        mark_inode_dirty(inode);
 }
-static __inline__ void DQUOT_FREE_INODE(struct inode *inode)
+static inline void DQUOT_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)
+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);
@@ -171,14 +171,32 @@ static __inline__ int DQUOT_TRANSFER(struct inode *inode, struct iattr *iattr)
 }
 /* The following two functions cannot be called inside a transaction */
-#define DQUOT_SYNC(sb)  sync_dquots(sb, -1)
+static inline void DQUOT_SYNC(struct super_block *sb)
+{
+        sync_dquots(sb, -1);
+}
-static __inline__ int DQUOT_OFF(struct super_block *sb)
+static inline int DQUOT_OFF(struct super_block *sb, int remount)
 {
        int ret = -ENOSYS;
-        if (sb_any_quota_enabled(sb) && sb->s_qcop && sb->s_qcop->quota_off)
+        if (sb->s_qcop && sb->s_qcop->quota_off)
-                ret = sb->s_qcop->quota_off(sb, -1);
+                ret = sb->s_qcop->quota_off(sb, -1, remount);
+        return ret;
+}
+static inline int DQUOT_ON_REMOUNT(struct super_block *sb)
+{
+        int cnt;
+        int ret = 0, err;
+        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;
 }
@@ -189,13 +207,43 @@ static __inline__ int DQUOT_OFF(struct super_block *sb)
 */
 #define sb_dquot_ops                            (NULL)
 #define sb_quotactl_ops                         (NULL)
-#define DQUOT_INIT(inode)                       do { } while(0)
-#define DQUOT_DROP(inode)                       do { } while(0)
+static inline void DQUOT_INIT(struct inode *inode)
-#define DQUOT_ALLOC_INODE(inode)                (0)
+{
-#define DQUOT_FREE_INODE(inode)                 do { } while(0)
+}
-#define DQUOT_SYNC(sb)                          do { } while(0)
-#define DQUOT_OFF(sb)                           do { } while(0)
+static inline void DQUOT_DROP(struct inode *inode)
-#define DQUOT_TRANSFER(inode, iattr)            (0)
+{
+}
+static inline int DQUOT_ALLOC_INODE(struct inode *inode)
+{
+        return 0;
+}
+static inline void DQUOT_FREE_INODE(struct inode *inode)
+{
+}
+static inline void DQUOT_SYNC(struct super_block *sb)
+{
+}
+static inline int DQUOT_OFF(struct super_block *sb, int remount)
+{
+        return 0;
+}
+static inline int DQUOT_ON_REMOUNT(struct super_block *sb)
+{
+        return 0;
+}
+static inline int DQUOT_TRANSFER(struct inode *inode, struct iattr *iattr)
+{
+        return 0;
+}
 static inline int DQUOT_PREALLOC_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
 {
        inode_add_bytes(inode, nr);
@@ -235,11 +283,38 @@ static inline void DQUOT_FREE_SPACE(struct inode *inode, qsize_t nr)
 #endif /* CONFIG_QUOTA */
-#define DQUOT_PREALLOC_BLOCK_NODIRTY(inode, nr) DQUOT_PREALLOC_SPACE_NODIRTY(inode, ((qsize_t)(nr)) << (inode)->i_sb->s_blocksize_bits)
+static inline int DQUOT_PREALLOC_BLOCK_NODIRTY(struct inode *inode, qsize_t nr)
-#define DQUOT_PREALLOC_BLOCK(inode, nr) DQUOT_PREALLOC_SPACE(inode, ((qsize_t)(nr)) << (inode)->i_sb->s_blocksize_bits)
+{
-#define DQUOT_ALLOC_BLOCK_NODIRTY(inode, nr) DQUOT_ALLOC_SPACE_NODIRTY(inode, ((qsize_t)(nr)) << (inode)->i_sb->s_blocksize_bits)
+        return DQUOT_PREALLOC_SPACE_NODIRTY(inode,
-#define DQUOT_ALLOC_BLOCK(inode, nr) DQUOT_ALLOC_SPACE(inode, ((qsize_t)(nr)) << (inode)->i_sb->s_blocksize_bits)
+                        nr << inode->i_sb->s_blocksize_bits);
-#define DQUOT_FREE_BLOCK_NODIRTY(inode, nr) DQUOT_FREE_SPACE_NODIRTY(inode, ((qsize_t)(nr)) << (inode)->i_sb->s_blocksize_bits)
+}
-#define DQUOT_FREE_BLOCK(inode, nr) DQUOT_FREE_SPACE(inode, ((qsize_t)(nr)) << (inode)->i_sb->s_blocksize_bits)
+static inline int DQUOT_PREALLOC_BLOCK(struct inode *inode, qsize_t nr)
+{
+        return DQUOT_PREALLOC_SPACE(inode,
+                        nr << inode->i_sb->s_blocksize_bits);
+}
+static inline int DQUOT_ALLOC_BLOCK_NODIRTY(struct inode *inode, qsize_t nr)
+{
+        return DQUOT_ALLOC_SPACE_NODIRTY(inode,
+                        nr << inode->i_sb->s_blocksize_bits);
+}
+static inline int DQUOT_ALLOC_BLOCK(struct inode *inode, qsize_t nr)
+{
+        return DQUOT_ALLOC_SPACE(inode,
+                        nr << inode->i_sb->s_blocksize_bits);
+}
+static inline void DQUOT_FREE_BLOCK_NODIRTY(struct inode *inode, qsize_t nr)
+{
+        DQUOT_FREE_SPACE_NODIRTY(inode, nr << inode->i_sb->s_blocksize_bits);
+}
+static inline void DQUOT_FREE_BLOCK(struct inode *inode, qsize_t nr)
+{
+        DQUOT_FREE_SPACE(inode, nr << inode->i_sb->s_blocksize_bits);
+}
 #endif /* _LINUX_QUOTAOPS_ */
diff --git a/include/linux/raid/raid5.h b/include/linux/raid/raid5.h
index 93678f57ccbe..f0827d31ae6f 100644
--- a/include/linux/raid/raid5.h
+++ b/include/linux/raid/raid5.h
@@ -252,6 +252,8 @@ struct r6_state {
 #define STRIPE_EXPANDING        9
 #define STRIPE_EXPAND_SOURCE    10
 #define STRIPE_EXPAND_READY     11
+#define STRIPE_IO_STARTED       12 /* do not count towards 'bypass_count' */
+#define STRIPE_FULL_WRITE       13 /* all blocks are set to be overwritten */
 /*
 * Operations flags (in issue order)
 */
@@ -316,12 +318,17 @@ struct raid5_private_data {
        int                     previous_raid_disks;
        struct list_head        handle_list; /* stripes needing handling */
+        struct list_head        hold_list; /* preread ready stripes */
        struct list_head        delayed_list; /* stripes that have plugged requests */
        struct list_head        bitmap_list; /* stripes delaying awaiting bitmap update */
        struct bio              *retry_read_aligned; /* currently retrying aligned bios   */
        struct bio              *retry_read_aligned_list; /* aligned bios retry list  */
        atomic_t                preread_active_stripes; /* stripes with scheduled io */
        atomic_t                active_aligned_reads;
+        atomic_t                pending_full_writes; /* full write backlog */
+        int                     bypass_count; /* bypassed prereads */
+        int                     bypass_threshold; /* preread nice */
+        struct list_head        *last_hold; /* detect hold_list promotions */
        atomic_t                reshape_stripes; /* stripes with pending writes for reshape */
        /* unfortunately we need two cache names as we temporarily have
diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index 8e7eff2cd0ab..4aacaeecb56f 100644
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -2176,6 +2176,7 @@ int reiserfs_ioctl(struct inode *inode, struct file *filp,
                   unsigned int cmd, unsigned long arg);
 long reiserfs_compat_ioctl(struct file *filp,
                   unsigned int cmd, unsigned long arg);
+int reiserfs_unpack(struct inode *inode, struct file *filp);
 /* ioctl's command */
 #define REISERFS_IOC_UNPACK             _IOW(0xCD,1,long)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 9a4f3e63e3bf..024d72b47a0c 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -68,7 +68,6 @@ struct sched_param {
 #include <linux/smp.h>
 #include <linux/sem.h>
 #include <linux/signal.h>
-#include <linux/securebits.h>
 #include <linux/fs_struct.h>
 #include <linux/compiler.h>
 #include <linux/completion.h>
@@ -1133,7 +1132,7 @@ struct task_struct {
        gid_t gid,egid,sgid,fsgid;
        struct group_info *group_info;
        kernel_cap_t   cap_effective, cap_inheritable, cap_permitted, cap_bset;
-        unsigned keep_capabilities:1;
+        unsigned securebits;
        struct user_struct *user;
 #ifdef CONFIG_KEYS
        struct key *request_key_auth;   /* assumed request_key authority */
diff --git a/include/linux/securebits.h b/include/linux/securebits.h
index 5b0617840fa4..c1f19dbceb05 100644
--- a/include/linux/securebits.h
+++ b/include/linux/securebits.h
@@ -3,28 +3,39 @@
 #define SECUREBITS_DEFAULT 0x00000000
-extern unsigned securebits;
 /* When set UID 0 has no special privileges. When unset, we support
   inheritance of root-permissions and suid-root executable under
   compatibility mode. We raise the effective and inheritable bitmasks
   *of the executable file* if the effective uid of the new process is
   0. If the real uid is 0, we raise the inheritable bitmask of the
   executable file. */
-#define SECURE_NOROOT            0
+#define SECURE_NOROOT                   0
+#define SECURE_NOROOT_LOCKED            1  /* make bit-0 immutable */
 /* When set, setuid to/from uid 0 does not trigger capability-"fixes"
   to be compatible with old programs relying on set*uid to loose
   privileges. When unset, setuid doesn't change privileges. */
-#define SECURE_NO_SETUID_FIXUP   2
+#define SECURE_NO_SETUID_FIXUP          2
+#define SECURE_NO_SETUID_FIXUP_LOCKED   3  /* make bit-2 immutable */
+/* When set, a process can retain its capabilities even after
+   transitioning to a non-root user (the set-uid fixup suppressed by
+   bit 2). Bit-4 is cleared when a process calls exec(); setting both
+   bit 4 and 5 will create a barrier through exec that no exec()'d
+   child can use this feature again. */
+#define SECURE_KEEP_CAPS                4
+#define SECURE_KEEP_CAPS_LOCKED         5  /* make bit-4 immutable */
 /* Each securesetting is implemented using two bits. One bit specify
   whether the setting is on or off. The other bit specify whether the
   setting is fixed or not. A setting which is fixed cannot be changed
   from user-level. */
+#define issecure_mask(X)        (1 << (X))
+#define issecure(X)             (issecure_mask(X) & current->securebits)
-#define issecure(X) ( (1 << (X+1)) & SECUREBITS_DEFAULT ?       \
+#define SECURE_ALL_BITS         (issecure_mask(SECURE_NOROOT) | \
-                      (1 << (X)) & SECUREBITS_DEFAULT :         \
+                                 issecure_mask(SECURE_NO_SETUID_FIXUP) | \
-                      (1 << (X)) & securebits )
+                                 issecure_mask(SECURE_KEEP_CAPS))
+#define SECURE_ALL_LOCKS        (SECURE_ALL_BITS << 1)
 #endif /* !_LINUX_SECUREBITS_H */
diff --git a/include/linux/security.h b/include/linux/security.h
index a90c06376eec..d0a28fd1747a 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -34,8 +34,6 @@
 #include <linux/xfrm.h>
 #include <net/flow.h>
-extern unsigned securebits;
 /* Maximum number of letters for an LSM name string */
 #define SECURITY_NAME_MAX       10
@@ -61,6 +59,8 @@ extern int cap_inode_need_killpriv(struct dentry *dentry);
 extern int cap_inode_killpriv(struct dentry *dentry);
 extern int cap_task_post_setuid(uid_t old_ruid, uid_t old_euid, uid_t old_suid, int flags);
 extern void cap_task_reparent_to_init(struct task_struct *p);
+extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
+                          unsigned long arg4, unsigned long arg5, long *rc_p);
 extern int cap_task_setscheduler(struct task_struct *p, int policy, struct sched_param *lp);
 extern int cap_task_setioprio(struct task_struct *p, int ioprio);
 extern int cap_task_setnice(struct task_struct *p, int nice);
@@ -720,7 +720,9 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
 *      @arg3 contains a argument.
 *      @arg4 contains a argument.
 *      @arg5 contains a argument.
- *      Return 0 if permission is granted.
+ *      @rc_p contains a pointer to communicate back the forced return code
+ *      Return 0 if permission is granted, and non-zero if the security module
+ *      has taken responsibility (setting *rc_p) for the prctl call.
 * @task_reparent_to_init:
 *      Set the security attributes in @p->security for a kernel thread that
 *      is being reparented to the init task.
@@ -1420,7 +1422,7 @@ struct security_operations {
        int (*task_wait) (struct task_struct *p);
        int (*task_prctl) (int option, unsigned long arg2,
                           unsigned long arg3, unsigned long arg4,
-                           unsigned long arg5);
+                           unsigned long arg5, long *rc_p);
        void (*task_reparent_to_init) (struct task_struct *p);
        void (*task_to_inode) (struct task_struct *p, struct inode *inode);
@@ -1684,7 +1686,7 @@ int security_task_kill(struct task_struct *p, struct siginfo *info,
                        int sig, u32 secid);
 int security_task_wait(struct task_struct *p);
 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
-                         unsigned long arg4, unsigned long arg5);
+                         unsigned long arg4, unsigned long arg5, long *rc_p);
 void security_task_reparent_to_init(struct task_struct *p);
 void security_task_to_inode(struct task_struct *p, struct inode *inode);
 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
@@ -2271,9 +2273,9 @@ static inline int security_task_wait(struct task_struct *p)
 static inline int security_task_prctl(int option, unsigned long arg2,
                                      unsigned long arg3,
                                      unsigned long arg4,
-                                      unsigned long arg5)
+                                      unsigned long arg5, long *rc_p)
 {
-        return 0;
+        return cap_task_prctl(option, arg2, arg3, arg3, arg5, rc_p);
 }
 static inline void security_task_reparent_to_init(struct task_struct *p)
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index 00b65c0a82ca..3d37c94abbc8 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -46,6 +46,7 @@ enum {
        PLAT8250_DEV_HUB6,
        PLAT8250_DEV_MCA,
        PLAT8250_DEV_AU1X00,
+        PLAT8250_DEV_SM501,
 };
 /*
diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h
index 8d5fb36ea047..f2d12d5a21b8 100644
--- a/include/linux/shmem_fs.h
+++ b/include/linux/shmem_fs.h
@@ -34,8 +34,7 @@ struct shmem_sb_info {
        uid_t uid;                  /* Mount uid for root directory */
        gid_t gid;                  /* Mount gid for root directory */
        mode_t mode;                /* Mount mode for root directory */
-        int policy;                 /* Default NUMA memory alloc policy */
+        struct mempolicy *mpol;     /* default memory policy for mappings */
-        nodemask_t policy_nodes;    /* nodemask for preferred and bind */
 };
 static inline struct shmem_inode_info *SHMEM_I(struct inode *inode)
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 1d7d4c5797ee..a6977423baf7 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -12,11 +12,22 @@
 #include <asm/errno.h>
 #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE)
+extern void pm_set_vt_switch(int);
 extern int pm_prepare_console(void);
 extern void pm_restore_console(void);
 #else
-static inline int pm_prepare_console(void) { return 0; }
+static inline void pm_set_vt_switch(int do_switch)
-static inline void pm_restore_console(void) {}
+{
+}
+static inline int pm_prepare_console(void)
+{
+        return 0;
+}
+static inline void pm_restore_console(void)
+{
+}
 #endif
 typedef int __bitwise suspend_state_t;
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 878459ae0454..0b3377650c85 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -177,11 +177,11 @@ extern void activate_page(struct page *);
 extern void mark_page_accessed(struct page *);
 extern void lru_add_drain(void);
 extern int lru_add_drain_all(void);
-extern int rotate_reclaimable_page(struct page *page);
+extern void rotate_reclaimable_page(struct page *page);
 extern void swap_setup(void);
 /* linux/mm/vmscan.c */
-extern unsigned long try_to_free_pages(struct zone **zones, int order,
+extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
                                        gfp_t gfp_mask);
 extern unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem,
                                                        gfp_t gfp_mask);
diff --git a/include/linux/synclink.h b/include/linux/synclink.h
index 5562fbf72095..45f6bc82d317 100644
--- a/include/linux/synclink.h
+++ b/include/linux/synclink.h
@@ -13,10 +13,6 @@
 #define _SYNCLINK_H_
 #define SYNCLINK_H_VERSION 3.6
-#define BOOLEAN int
-#define TRUE 1
-#define FALSE 0
 #define BIT0    0x0001
 #define BIT1    0x0002
 #define BIT2    0x0004
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index ce8e7da05807..364789aae9f3 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -31,6 +31,7 @@ struct vm_struct {
        struct page             **pages;
        unsigned int            nr_pages;
        unsigned long           phys_addr;
+        void                    *caller;
 };
 /*
@@ -66,6 +67,8 @@ static inline size_t get_vm_area_size(const struct vm_struct *area)
 }
 extern struct vm_struct *get_vm_area(unsigned long size, unsigned long flags);
+extern struct vm_struct *get_vm_area_caller(unsigned long size,
+                                        unsigned long flags, void *caller);
 extern struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags,
                                        unsigned long start, unsigned long end);
 extern struct vm_struct *get_vm_area_node(unsigned long size,
@@ -87,4 +90,6 @@ extern void free_vm_area(struct vm_struct *area);
 extern rwlock_t vmlist_lock;
 extern struct vm_struct *vmlist;
+extern const struct seq_operations vmalloc_op;
 #endif /* _LINUX_VMALLOC_H */
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 9f1b4b46151e..e83b69346d23 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -25,6 +25,7 @@
 #define HIGHMEM_ZONE(xx)
 #endif
 #define FOR_ALL_ZONES(xx) DMA_ZONE(xx) DMA32_ZONE(xx) xx##_NORMAL HIGHMEM_ZONE(xx) , xx##_MOVABLE
 enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
@@ -37,6 +38,9 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
                FOR_ALL_ZONES(PGSCAN_DIRECT),
                PGINODESTEAL, SLABS_SCANNED, KSWAPD_STEAL, KSWAPD_INODESTEAL,
                PAGEOUTRUN, ALLOCSTALL, PGROTATED,
+#ifdef CONFIG_HUGETLB_PAGE
+                HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
+#endif
                NR_VM_EVENT_ITEMS
 };
@@ -174,7 +178,7 @@ static inline unsigned long node_page_state(int node,
                zone_page_state(&zones[ZONE_MOVABLE], item);
 }
-extern void zone_statistics(struct zonelist *, struct zone *);
+extern void zone_statistics(struct zone *, struct zone *);
 #else
diff --git a/include/net/compat.h b/include/net/compat.h
index 406db242f73a..05fa5d0254ab 100644
--- a/include/net/compat.h
+++ b/include/net/compat.h
@@ -40,4 +40,7 @@ extern int put_cmsg_compat(struct msghdr*, int, int, int, void *);
 extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *, int);
+extern int compat_mc_setsockopt(struct sock *, int, int, char __user *, int,
+        int (*)(struct sock *, int, int, char __user *, int));
 #endif /* NET_COMPAT_H */
diff --git a/include/video/atmel_lcdc.h b/include/video/atmel_lcdc.h
index 336c20db87f8..ed64862c4e18 100644
--- a/include/video/atmel_lcdc.h
+++ b/include/video/atmel_lcdc.h
@@ -22,6 +22,15 @@
 #ifndef __ATMEL_LCDC_H__
 #define __ATMEL_LCDC_H__
+/* Way LCD wires are connected to the chip:
+ * Some Atmel chips use BGR color mode (instead of standard RGB)
+ * A swapped wiring onboard can bring to RGB mode.
+ */
+#define ATMEL_LCDC_WIRING_BGR   0
+#define ATMEL_LCDC_WIRING_RGB   1
 /* LCD Controller info data structure, stored in device platform_data */
 struct atmel_lcdfb_info {
        spinlock_t              lock;
@@ -39,8 +48,10 @@ struct atmel_lcdfb_info {
        u8                      bl_power;
 #endif
        bool                    lcdcon_is_backlight;
+        u8                      saved_lcdcon;
        u8                      default_bpp;
+        u8                      lcd_wiring_mode;
        unsigned int            default_lcdcon2;
        unsigned int            default_dmacon;
        void (*atmel_lcdfb_power_control)(int on);
diff --git a/include/video/hecubafb.h b/include/video/hecubafb.h
new file mode 100644
index 000000000000..7b9952339762
--- /dev/null
+++ b/include/video/hecubafb.h
@@ -0,0 +1,51 @@
+/*
+ * hecubafb.h - definitions for the hecuba framebuffer driver
+ *
+ * Copyright (C) 2008 by Jaya Kumar
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive for
+ * more details.
+ *
+ */
+#ifndef _LINUX_HECUBAFB_H_
+#define _LINUX_HECUBAFB_H_
+/* Apollo controller specific defines */
+#define APOLLO_START_NEW_IMG    0xA0
+#define APOLLO_STOP_IMG_DATA    0xA1
+#define APOLLO_DISPLAY_IMG      0xA2
+#define APOLLO_ERASE_DISPLAY    0xA3
+#define APOLLO_INIT_DISPLAY     0xA4
+/* Hecuba interface specific defines */
+#define HCB_WUP_BIT     0x01
+#define HCB_DS_BIT      0x02
+#define HCB_RW_BIT      0x04
+#define HCB_CD_BIT      0x08
+#define HCB_ACK_BIT     0x80
+/* struct used by hecuba. board specific stuff comes from *board */
+struct hecubafb_par {
+        struct fb_info *info;
+        struct hecuba_board *board;
+        void (*send_command)(struct hecubafb_par *, unsigned char);
+        void (*send_data)(struct hecubafb_par *, unsigned char);
+};
+/* board specific routines
+board drivers can implement wait_for_ack with interrupts if desired. if
+wait_for_ack is called with clear=0, then go to sleep and return when ack
+goes hi or if wait_for_ack with clear=1, then return when ack goes lo */
+struct hecuba_board {
+        struct module *owner;
+        void (*remove)(struct hecubafb_par *);
+        void (*set_ctl)(struct hecubafb_par *, unsigned char, unsigned char);
+        void (*set_data)(struct hecubafb_par *, unsigned char);
+        void (*wait_for_ack)(struct hecubafb_par *, int);
+        int (*init)(struct hecubafb_par *);
+};
+#endif
diff --git a/include/video/metronomefb.h b/include/video/metronomefb.h
new file mode 100644
index 000000000000..dab04b4fad7f
--- /dev/null
+++ b/include/video/metronomefb.h
@@ -0,0 +1,62 @@
+/*
+ * metronomefb.h - definitions for the metronome framebuffer driver
+ *
+ * Copyright (C) 2008 by Jaya Kumar
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive for
+ * more details.
+ *
+ */
+#ifndef _LINUX_METRONOMEFB_H_
+#define _LINUX_METRONOMEFB_H_
+/* address and control descriptors used by metronome controller */
+struct metromem_desc {
+        u32 mFDADR0;
+        u32 mFSADR0;
+        u32 mFIDR0;
+        u32 mLDCMD0;
+};
+/* command structure used by metronome controller */
+struct metromem_cmd {
+        u16 opcode;
+        u16 args[((64-2)/2)];
+        u16 csum;
+};
+/* struct used by metronome. board specific stuff comes from *board */
+struct metronomefb_par {
+        unsigned char *metromem;
+        struct metromem_desc *metromem_desc;
+        struct metromem_cmd *metromem_cmd;
+        unsigned char *metromem_wfm;
+        unsigned char *metromem_img;
+        u16 *metromem_img_csum;
+        u16 *csum_table;
+        int metromemsize;
+        dma_addr_t metromem_dma;
+        dma_addr_t metromem_desc_dma;
+        struct fb_info *info;
+        struct metronome_board *board;
+        wait_queue_head_t waitq;
+        u8 frame_count;
+};
+/* board specific routines */
+struct metronome_board {
+        struct module *owner;
+        void (*free_irq)(struct fb_info *);
+        void (*init_gpio_regs)(struct metronomefb_par *);
+        void (*init_lcdc_regs)(struct metronomefb_par *);
+        void (*post_dma_setup)(struct metronomefb_par *);
+        void (*set_rst)(struct metronomefb_par *, int);
+        void (*set_stdby)(struct metronomefb_par *, int);
+        int (*met_wait_event)(struct metronomefb_par *);
+        int (*met_wait_event_intr)(struct metronomefb_par *);
+        int (*setup_irq)(struct fb_info *);
+};
+#endif