26 files changed, 251 insertions, 67 deletions

diff --git a/include/asm-i386/pgtable-2level.h b/include/asm-i386/pgtable-2level.h
index 27bde973abc7..2756d4b04c27 100644
--- a/include/asm-i386/pgtable-2level.h
+++ b/include/asm-i386/pgtable-2level.h
@@ -18,6 +18,9 @@
 #define set_pte_atomic(pteptr, pteval) set_pte(pteptr,pteval)
 #define set_pmd(pmdptr, pmdval) (*(pmdptr) = (pmdval))
 
+#define pte_clear(mm,addr,xp)   do { set_pte_at(mm, addr, xp, __pte(0)); } while (0)
+#define pmd_clear(xp)   do { set_pmd(xp, __pmd(0)); } while (0)
+
 #define ptep_get_and_clear(mm,addr,xp)  __pte(xchg(&(xp)->pte_low, 0))
 #define pte_same(a, b)          ((a).pte_low == (b).pte_low)
 #define pte_page(x)             pfn_to_page(pte_pfn(x))
diff --git a/include/asm-i386/pgtable-3level.h b/include/asm-i386/pgtable-3level.h
index 36a5aa63cbbf..dccb1b3337ad 100644
--- a/include/asm-i386/pgtable-3level.h
+++ b/include/asm-i386/pgtable-3level.h
@@ -85,6 +85,26 @@ static inline void pud_clear (pud_t * pud) { }
 #define pmd_offset(pud, address) ((pmd_t *) pud_page(*(pud)) + \
                         pmd_index(address))
 
+/*
+ * For PTEs and PDEs, we must clear the P-bit first when clearing a page table
+ * entry, so clear the bottom half first and enforce ordering with a compiler
+ * barrier.
+ */
+static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
+{
+        ptep->pte_low = 0;
+        smp_wmb();
+        ptep->pte_high = 0;
+}
+
+static inline void pmd_clear(pmd_t *pmd)
+{
+        u32 *tmp = (u32 *)pmd;
+        *tmp = 0;
+        smp_wmb();
+        *(tmp + 1) = 0;
+}
+
 static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
 {
         pte_t res;
diff --git a/include/asm-i386/pgtable.h b/include/asm-i386/pgtable.h
index 248bd80a69c5..09697fec3d2b 100644
--- a/include/asm-i386/pgtable.h
+++ b/include/asm-i386/pgtable.h
@@ -203,12 +203,10 @@ extern unsigned long long __PAGE_KERNEL, __PAGE_KERNEL_EXEC;
 extern unsigned long pg0[];
 
 #define pte_present(x)  ((x).pte_low & (_PAGE_PRESENT | _PAGE_PROTNONE))
-#define pte_clear(mm,addr,xp)   do { set_pte_at(mm, addr, xp, __pte(0)); } while (0)
 
 /* To avoid harmful races, pmd_none(x) should check only the lower when PAE */
 #define pmd_none(x)     (!(unsigned long)pmd_val(x))
 #define pmd_present(x)  (pmd_val(x) & _PAGE_PRESENT)
-#define pmd_clear(xp)   do { set_pmd(xp, __pmd(0)); } while (0)
 #define pmd_bad(x)      ((pmd_val(x) & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
 
 
@@ -267,7 +265,7 @@ static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm, unsigned long
         pte_t pte;
         if (full) {
                 pte = *ptep;
-                *ptep = __pte(0);
+                pte_clear(mm, addr, ptep);
         } else {
                 pte = ptep_get_and_clear(mm, addr, ptep);
         }
diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h
index d81d6cfc1bb4..eb4b152c82fc 100644
--- a/include/asm-i386/unistd.h
+++ b/include/asm-i386/unistd.h
@@ -321,8 +321,9 @@
 #define __NR_splice             313
 #define __NR_sync_file_range    314
 #define __NR_tee                315
+#define __NR_vmsplice           316
 
-#define NR_syscalls 316
+#define NR_syscalls 317
 
 /*
  * user-visible error numbers are in the range -1 - -128: see
diff --git a/include/asm-ia64/acpi.h b/include/asm-ia64/acpi.h
index d734585a23cf..09a5dd0e44a8 100644
--- a/include/asm-ia64/acpi.h
+++ b/include/asm-ia64/acpi.h
@@ -110,9 +110,8 @@ extern void prefill_possible_map(void);
 extern int additional_cpus;
 
 #ifdef CONFIG_ACPI_NUMA
-/* Proximity bitmap length; _PXM is at most 255 (8 bit)*/
-#ifdef CONFIG_IA64_NR_NODES
-#define MAX_PXM_DOMAINS CONFIG_IA64_NR_NODES
+#if MAX_NUMNODES > 256
+#define MAX_PXM_DOMAINS MAX_NUMNODES
 #else
 #define MAX_PXM_DOMAINS (256)
 #endif
diff --git a/include/asm-ia64/machvec.h b/include/asm-ia64/machvec.h
index 96d46dbfde47..0df72a134c8b 100644
--- a/include/asm-ia64/machvec.h
+++ b/include/asm-ia64/machvec.h
@@ -346,9 +346,11 @@ extern ia64_mv_dma_supported		swiotlb_dma_supported;
 #endif
 #ifndef platform_pci_legacy_read
 # define platform_pci_legacy_read       ia64_pci_legacy_read
+extern int ia64_pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size);
 #endif
 #ifndef platform_pci_legacy_write
 # define platform_pci_legacy_write      ia64_pci_legacy_write
+extern int ia64_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size);
 #endif
 #ifndef platform_inb
 # define platform_inb           __ia64_inb
diff --git a/include/asm-ia64/sn/sn2/sn_hwperf.h b/include/asm-ia64/sn/sn2/sn_hwperf.h
index 291ef3d69da2..e61ebac38cdd 100644
--- a/include/asm-ia64/sn/sn2/sn_hwperf.h
+++ b/include/asm-ia64/sn/sn2/sn_hwperf.h
@@ -45,8 +45,12 @@ struct sn_hwperf_object_info {
 #define SN_HWPERF_IS_NODE(x)            ((x) && strstr((x)->name, "SHub"))
 #define SN_HWPERF_IS_NODE_SHUB2(x)      ((x) && strstr((x)->name, "SHub 2."))
 #define SN_HWPERF_IS_IONODE(x)          ((x) && strstr((x)->name, "TIO"))
-#define SN_HWPERF_IS_ROUTER(x)          ((x) && strstr((x)->name, "Router"))
 #define SN_HWPERF_IS_NL3ROUTER(x)       ((x) && strstr((x)->name, "NL3Router"))
+#define SN_HWPERF_IS_NL4ROUTER(x)       ((x) && strstr((x)->name, "NL4Router"))
+#define SN_HWPERF_IS_OLDROUTER(x)       ((x) && strstr((x)->name, "Router"))
+#define SN_HWPERF_IS_ROUTER(x)          (SN_HWPERF_IS_NL3ROUTER(x) ||           \
+                                                SN_HWPERF_IS_NL4ROUTER(x) ||    \
+                                                SN_HWPERF_IS_OLDROUTER(x))
 #define SN_HWPERF_FOREIGN(x)            ((x) && !(x)->sn_hwp_this_part && !(x)->sn_hwp_is_shared)
 #define SN_HWPERF_SAME_OBJTYPE(x,y)     ((SN_HWPERF_IS_NODE(x) && SN_HWPERF_IS_NODE(y)) ||\
                                         (SN_HWPERF_IS_IONODE(x) && SN_HWPERF_IS_IONODE(y)) ||\
diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h
index 8664c88a1ff5..8c865e43f609 100644
--- a/include/asm-ia64/sn/sn_sal.h
+++ b/include/asm-ia64/sn/sn_sal.h
@@ -8,7 +8,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (c) 2000-2005 Silicon Graphics, Inc.  All rights reserved.
+ * Copyright (c) 2000-2006 Silicon Graphics, Inc.  All rights reserved.
  */
 
 
@@ -84,6 +84,7 @@
 
 #define  SN_SAL_GET_PROM_FEATURE_SET               0x02000065
 #define  SN_SAL_SET_OS_FEATURE_SET                 0x02000066
+#define  SN_SAL_INJECT_ERROR                       0x02000067
 
 /*
  * Service-specific constants
@@ -704,10 +705,8 @@ static inline int
 sn_change_memprotect(u64 paddr, u64 len, u64 perms, u64 *nasid_array)
 {
         struct ia64_sal_retval ret_stuff;
-        int cnodeid;
         unsigned long irq_flags;
 
-        cnodeid = nasid_to_cnodeid(get_node_number(paddr));
         local_irq_save(irq_flags);
         ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_MEMPROTECT, paddr, len,
                                 (u64)nasid_array, perms, 0, 0, 0);
@@ -1139,4 +1138,16 @@ ia64_sn_set_os_feature(int feature)
         return rv.status;
 }
 
+static inline int
+sn_inject_error(u64 paddr, u64 *data, u64 *ecc)
+{
+        struct ia64_sal_retval ret_stuff;
+        unsigned long irq_flags;
+
+        local_irq_save(irq_flags);
+        ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_INJECT_ERROR, paddr, (u64)data,
+                                (u64)ecc, 0, 0, 0, 0);
+        local_irq_restore(irq_flags);
+        return ret_stuff.status;
+}
 #endif /* _ASM_IA64_SN_SN_SAL_H */
diff --git a/include/asm-ia64/thread_info.h b/include/asm-ia64/thread_info.h
index 56394a2c7055..e5392c4d30c6 100644
--- a/include/asm-ia64/thread_info.h
+++ b/include/asm-ia64/thread_info.h
@@ -67,7 +67,7 @@ struct thread_info {
 #define end_of_stack(p) (unsigned long *)((void *)(p) + IA64_RBS_OFFSET)
 
 #define __HAVE_ARCH_TASK_STRUCT_ALLOCATOR
-#define alloc_task_struct()     ((task_t *)__get_free_pages(GFP_KERNEL, KERNEL_STACK_SIZE_ORDER))
+#define alloc_task_struct()     ((task_t *)__get_free_pages(GFP_KERNEL | __GFP_COMP, KERNEL_STACK_SIZE_ORDER))
 #define free_task_struct(tsk)   free_pages((unsigned long) (tsk), KERNEL_STACK_SIZE_ORDER)
 
 #endif /* !__ASSEMBLY */
diff --git a/include/asm-ia64/topology.h b/include/asm-ia64/topology.h
index 3ee19dfa46df..616b5ed2aa72 100644
--- a/include/asm-ia64/topology.h
+++ b/include/asm-ia64/topology.h
@@ -23,6 +23,11 @@
 #define PENALTY_FOR_NODE_WITH_CPUS 255
 
 /*
+ * Distance above which we begin to use zone reclaim
+ */
+#define RECLAIM_DISTANCE 15
+
+/*
  * Returns the number of the node containing CPU 'cpu'
  */
 #define cpu_to_node(cpu) (int)(cpu_to_node_map[cpu])
diff --git a/include/asm-ia64/unistd.h b/include/asm-ia64/unistd.h
index 395e6b2998f2..632f2eedf72c 100644
--- a/include/asm-ia64/unistd.h
+++ b/include/asm-ia64/unistd.h
@@ -290,11 +290,12 @@
 #define __NR_get_robust_list            1299
 #define __NR_sync_file_range            1300
 #define __NR_tee                        1301
+#define __NR_vmsplice                   1302
 
 #ifdef __KERNEL__
 
 
-#define NR_syscalls                     278 /* length of syscall table */
+#define NR_syscalls                     279 /* length of syscall table */
 
 #define __ARCH_WANT_SYS_RT_SIGACTION
 
diff --git a/include/asm-mips/bitops.h b/include/asm-mips/bitops.h
index 0e71df31f81c..098cec263681 100644
--- a/include/asm-mips/bitops.h
+++ b/include/asm-mips/bitops.h
@@ -466,64 +466,56 @@ static inline unsigned long __ffs(unsigned long word)
 }
 
 /*
- * ffs - find first bit set.
+ * fls - find last bit set.
  * @word: The word to search
  *
- * Returns 1..SZLONG
- * Returns 0 if no bit exists
+ * This is defined the same way as ffs.
+ * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
  */
-
-static inline unsigned long ffs(unsigned long word)
+static inline int fls(int word)
 {
-        if (!word)
-                return 0;
+        __asm__ ("clz %0, %1" : "=r" (word) : "r" (word));
 
-        return __ffs(word) + 1;
+        return 32 - word;
 }
 
-/*
- * ffz - find first zero in word.
- * @word: The word to search
- *
- * Undefined if no zero exists, so code should check against ~0UL first.
- */
-static inline unsigned long ffz(unsigned long word)
+#if defined(CONFIG_64BIT) && defined(CONFIG_CPU_MIPS64)
+static inline int fls64(__u64 word)
 {
-        return __ffs (~word);
+        __asm__ ("dclz %0, %1" : "=r" (word) : "r" (word));
+
+        return 64 - word;
 }
+#else
+#include <asm-generic/bitops/fls64.h>
+#endif
 
 /*
- * fls - find last bit set.
+ * ffs - find first bit set.
  * @word: The word to search
  *
- * Returns 1..SZLONG
- * Returns 0 if no bit exists
+ * This is defined the same way as
+ * the libc and compiler builtin ffs routines, therefore
+ * differs in spirit from the above ffz (man ffs).
  */
-static inline unsigned long fls(unsigned long word)
+static inline int ffs(int word)
 {
-#ifdef CONFIG_CPU_MIPS32
-        __asm__ ("clz %0, %1" : "=r" (word) : "r" (word));
-
-        return 32 - word;
-#endif
-
-#ifdef CONFIG_CPU_MIPS64
-        __asm__ ("dclz %0, %1" : "=r" (word) : "r" (word));
+        if (!word)
+                return 0;
 
-        return 64 - word;
-#endif
+        return fls(word & -word);
 }
 
 #else
 
 #include <asm-generic/bitops/__ffs.h>
 #include <asm-generic/bitops/ffs.h>
-#include <asm-generic/bitops/ffz.h>
 #include <asm-generic/bitops/fls.h>
+#include <asm-generic/bitops/fls64.h>
 
 #endif /*defined(CONFIG_CPU_MIPS32) || defined(CONFIG_CPU_MIPS64) */
 
-#include <asm-generic/bitops/fls64.h>
+#include <asm-generic/bitops/ffz.h>
 #include <asm-generic/bitops/find.h>
 
 #ifdef __KERNEL__
diff --git a/include/asm-mips/mips-boards/generic.h b/include/asm-mips/mips-boards/generic.h
index cad47ce8a7e9..b98f1658cfd0 100644
--- a/include/asm-mips/mips-boards/generic.h
+++ b/include/asm-mips/mips-boards/generic.h
@@ -66,6 +66,7 @@
 #define MIPS_REVISION_CORID_CORE_FPGA2     7
 #define MIPS_REVISION_CORID_CORE_FPGAR2    8
 #define MIPS_REVISION_CORID_CORE_FPGA3     9
+#define MIPS_REVISION_CORID_CORE_24K       10
 
 /**** Artificial corid defines ****/
 /*
diff --git a/include/asm-powerpc/unistd.h b/include/asm-powerpc/unistd.h
index d471549e1b81..ef932f1cddc3 100644
--- a/include/asm-powerpc/unistd.h
+++ b/include/asm-powerpc/unistd.h
@@ -303,8 +303,9 @@
 #define __NR_unshare            282
 #define __NR_splice             283
 #define __NR_tee                284
+#define __NR_vmsplice           285
 
-#define __NR_syscalls           285
+#define __NR_syscalls           286
 
 #ifdef __KERNEL__
 #define __NR__exit __NR_exit
diff --git a/include/asm-s390/cache.h b/include/asm-s390/cache.h
index e20cdd9074db..cdf431b061bb 100644
--- a/include/asm-s390/cache.h
+++ b/include/asm-s390/cache.h
@@ -16,4 +16,6 @@
 
 #define ARCH_KMALLOC_MINALIGN   8
 
+#define __read_mostly __attribute__((__section__(".data.read_mostly")))
+
 #endif
diff --git a/include/asm-s390/futex.h b/include/asm-s390/futex.h
index 6a332a9f099c..40c25e166a9b 100644
--- a/include/asm-s390/futex.h
+++ b/include/asm-s390/futex.h
@@ -1,6 +1,121 @@
-#ifndef _ASM_FUTEX_H
-#define _ASM_FUTEX_H
+#ifndef _ASM_S390_FUTEX_H
+#define _ASM_S390_FUTEX_H
 
-#include <asm-generic/futex.h>
+#ifdef __KERNEL__
 
-#endif
+#include <linux/futex.h>
+#include <asm/errno.h>
+#include <asm/uaccess.h>
+
+#ifndef __s390x__
+#define __futex_atomic_fixup \
+                     ".section __ex_table,\"a\"\n"                      \
+                     "   .align 4\n"                                    \
+                     "   .long  0b,2b,1b,2b\n"                          \
+                     ".previous"
+#else /* __s390x__ */
+#define __futex_atomic_fixup \
+                     ".section __ex_table,\"a\"\n"                      \
+                     "   .align 8\n"                                    \
+                     "   .quad  0b,2b,1b,2b\n"                          \
+                     ".previous"
+#endif /* __s390x__ */
+
+#define __futex_atomic_op(insn, ret, oldval, newval, uaddr, oparg)      \
+        asm volatile("   l   %1,0(%6)\n"                                \
+                     "0: " insn                                         \
+                     "   cs  %1,%2,0(%6)\n"                             \
+                     "1: jl  0b\n"                                      \
+                     "   lhi %0,0\n"                                    \
+                     "2:\n"                                             \
+                     __futex_atomic_fixup                               \
+                     : "=d" (ret), "=&d" (oldval), "=&d" (newval),      \
+                       "=m" (*uaddr)                                    \
+                     : "0" (-EFAULT), "d" (oparg), "a" (uaddr),         \
+                       "m" (*uaddr) : "cc" );
+
+static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
+{
+        int op = (encoded_op >> 28) & 7;
+        int cmp = (encoded_op >> 24) & 15;
+        int oparg = (encoded_op << 8) >> 20;
+        int cmparg = (encoded_op << 20) >> 20;
+        int oldval = 0, newval, ret;
+        if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
+                oparg = 1 << oparg;
+
+        if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
+                return -EFAULT;
+
+        inc_preempt_count();
+
+        switch (op) {
+        case FUTEX_OP_SET:
+                __futex_atomic_op("lr %2,%5\n",
+                                  ret, oldval, newval, uaddr, oparg);
+                break;
+        case FUTEX_OP_ADD:
+                __futex_atomic_op("lr %2,%1\nar %2,%5\n",
+                                  ret, oldval, newval, uaddr, oparg);
+                break;
+        case FUTEX_OP_OR:
+                __futex_atomic_op("lr %2,%1\nor %2,%5\n",
+                                  ret, oldval, newval, uaddr, oparg);
+                break;
+        case FUTEX_OP_ANDN:
+                __futex_atomic_op("lr %2,%1\nnr %2,%5\n",
+                                  ret, oldval, newval, uaddr, oparg);
+                break;
+        case FUTEX_OP_XOR:
+                __futex_atomic_op("lr %2,%1\nxr %2,%5\n",
+                                  ret, oldval, newval, uaddr, oparg);
+                break;
+        default:
+                ret = -ENOSYS;
+        }
+
+        dec_preempt_count();
+
+        if (!ret) {
+                switch (cmp) {
+                case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break;
+                case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break;
+                case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break;
+                case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break;
+                case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break;
+                case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break;
+                default: ret = -ENOSYS;
+                }
+        }
+        return ret;
+}
+
+static inline int
+futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
+{
+        int ret;
+
+        if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
+                return -EFAULT;
+        asm volatile("   cs   %1,%4,0(%5)\n"
+                     "0: lr   %0,%1\n"
+                     "1:\n"
+#ifndef __s390x__
+                     ".section __ex_table,\"a\"\n"
+                     "   .align 4\n"
+                     "   .long  0b,1b\n"
+                     ".previous"
+#else /* __s390x__ */
+                     ".section __ex_table,\"a\"\n"
+                     "   .align 8\n"
+                     "   .quad  0b,1b\n"
+                     ".previous"
+#endif /* __s390x__ */
+                     : "=d" (ret), "+d" (oldval), "=m" (*uaddr)
+                     : "0" (-EFAULT), "d" (newval), "a" (uaddr), "m" (*uaddr)
+                     : "cc", "memory" );
+        return oldval;
+}
+
+#endif /* __KERNEL__ */
+#endif /* _ASM_S390_FUTEX_H */
diff --git a/include/asm-x86_64/unistd.h b/include/asm-x86_64/unistd.h
index 98c36eae567c..feb77cb8c044 100644
--- a/include/asm-x86_64/unistd.h
+++ b/include/asm-x86_64/unistd.h
@@ -615,8 +615,10 @@ __SYSCALL(__NR_splice, sys_splice)
 __SYSCALL(__NR_tee, sys_tee)
 #define __NR_sync_file_range    277
 __SYSCALL(__NR_sync_file_range, sys_sync_file_range)
+#define __NR_vmsplice           278
+__SYSCALL(__NR_vmsplice, sys_vmsplice)
 
-#define __NR_syscall_max __NR_sync_file_range
+#define __NR_syscall_max __NR_vmsplice
 
 #ifndef __NO_STUBS
 
diff --git a/include/asm-xtensa/signal.h b/include/asm-xtensa/signal.h
index 5d6fc9cdf58d..a99c9aec64ec 100644
--- a/include/asm-xtensa/signal.h
+++ b/include/asm-xtensa/signal.h
@@ -118,9 +118,9 @@ typedef struct {
  * SA_INTERRUPT is also used by the irq handling routines.
  * SA_SHIRQ is for shared interrupt support on PCI and EISA.
  */
-#define SA_PROBE                SA_ONESHOT
 #define SA_SAMPLE_RANDOM        SA_RESTART
 #define SA_SHIRQ                0x04000000
+#define SA_PROBEIRQ             0x08000000
 #endif
 
 #define SIG_BLOCK          0    /* for blocking signals */
diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
index 176e2d371577..047567d34ca7 100644
--- a/include/linux/debugfs.h
+++ b/include/linux/debugfs.h
@@ -58,9 +58,8 @@ struct dentry *debugfs_create_blob(const char *name, mode_t mode,
  */
 
 static inline struct dentry *debugfs_create_file(const char *name, mode_t mode,
-                                                 struct dentry *parent,
-                                                 void *data,
-                                                 struct file_operations *fops)
+                                        struct dentry *parent, void *data,
+                                        const struct file_operations *fops)
 {
         return ERR_PTR(-ENODEV);
 }
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index dcd0623be892..c187c53cecd0 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -257,9 +257,8 @@ struct subsys_attribute {
 };
 
 extern int subsys_create_file(struct subsystem * , struct subsys_attribute *);
-extern void subsys_remove_file(struct subsystem * , struct subsys_attribute *);
 
-#if defined(CONFIG_HOTPLUG) && defined(CONFIG_NET)
+#if defined(CONFIG_HOTPLUG)
 void kobject_uevent(struct kobject *kobj, enum kobject_action action);
 
 int add_uevent_var(char **envp, int num_envp, int *cur_index,
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index c81aa0f76642..5128dd7634cb 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -828,19 +828,21 @@ static inline void netif_rx_schedule(struct net_device *dev)
                 __netif_rx_schedule(dev);
 }
 
-/* Try to reschedule poll. Called by dev->poll() after netif_rx_complete().
- * Do not inline this?
- */
+
+static inline void  __netif_rx_reschedule(struct net_device *dev, int undo)
+{
+        dev->quota += undo;
+        list_add_tail(&dev->poll_list, &__get_cpu_var(softnet_data).poll_list);
+        __raise_softirq_irqoff(NET_RX_SOFTIRQ);
+}
+
+/* Try to reschedule poll. Called by dev->poll() after netif_rx_complete(). */
 static inline int netif_rx_reschedule(struct net_device *dev, int undo)
 {
         if (netif_rx_schedule_prep(dev)) {
                 unsigned long flags;
-
-                dev->quota += undo;
-
                 local_irq_save(flags);
-                list_add_tail(&dev->poll_list, &__get_cpu_var(softnet_data).poll_list);
-                __raise_softirq_irqoff(NET_RX_SOFTIRQ);
+                __netif_rx_reschedule(dev, undo);
                 local_irq_restore(flags);
                 return 1;
         }
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 9539efd4f7e6..7a1af574dedf 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -78,6 +78,8 @@ extern struct page * find_or_create_page(struct address_space *mapping,
                                 unsigned long index, gfp_t gfp_mask);
 unsigned find_get_pages(struct address_space *mapping, pgoff_t start,
                         unsigned int nr_pages, struct page **pages);
+unsigned find_get_pages_contig(struct address_space *mapping, pgoff_t start,
+                               unsigned int nr_pages, struct page **pages);
 unsigned find_get_pages_tag(struct address_space *mapping, pgoff_t *index,
                         int tag, unsigned int nr_pages, struct page **pages);
 
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index ef7f33c0be19..0008d4bd4059 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -61,4 +61,21 @@ void __free_pipe_info(struct pipe_inode_info *);
                                  /* from/to, of course */
 #define SPLICE_F_MORE   (0x04)  /* expect more data */
 
+/*
+ * Passed to the actors
+ */
+struct splice_desc {
+        unsigned int len, total_len;    /* current and remaining length */
+        unsigned int flags;             /* splice flags */
+        struct file *file;              /* file to read/write */
+        loff_t pos;                     /* file position */
+};
+
+typedef int (splice_actor)(struct pipe_inode_info *, struct pipe_buffer *,
+                           struct splice_desc *);
+
+extern ssize_t splice_from_pipe(struct pipe_inode_info *, struct file *,
+                                loff_t *, size_t, unsigned int,
+                                splice_actor *);
+
 #endif
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 4b42df3860ed..1e4ce7225eee 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -14,10 +14,12 @@
  *
  * SA_INTERRUPT is also used by the irq handling routines.
  * SA_SHIRQ is for shared interrupt support on PCI and EISA.
+ * SA_PROBEIRQ is set by callers when they expect sharing mismatches to occur
  */
-#define SA_PROBE                SA_ONESHOT
 #define SA_SAMPLE_RANDOM        SA_RESTART
 #define SA_SHIRQ                0x04000000
+#define SA_PROBEIRQ             0x08000000
+
 /*
  * As above, these correspond to the IORESOURCE_IRQ_* defines in
  * linux/ioport.h to select the interrupt line behaviour.  When
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 3bdc1970f8bd..70c64dbe4b8a 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -573,6 +573,9 @@ asmlinkage long sys_splice(int fd_in, loff_t __user *off_in,
                            int fd_out, loff_t __user *off_out,
                            size_t len, unsigned int flags);
 
+asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov,
+                             unsigned long nr_segs, unsigned int flags);
+
 asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags);
 
 asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
diff --git a/include/net/ieee80211softmac.h b/include/net/ieee80211softmac.h
index 6b3693f05ca0..b1ebfbae397f 100644
--- a/include/net/ieee80211softmac.h
+++ b/include/net/ieee80211softmac.h
@@ -96,10 +96,13 @@ struct ieee80211softmac_assoc_info {
          *
          * bssvalid is true if we found a matching network
          * and saved it's BSSID into the bssid above.
+         *
+         * bssfixed is used for SIOCSIWAP.
          */
         u8 static_essid:1,
            associating:1,
-           bssvalid:1;
+           bssvalid:1,
+           bssfixed:1;
 
         /* Scan retries remaining */
         int scan_retry;