Merge branch 'master'

17 files changed, 177 insertions, 93 deletions

diff --git a/include/linux/device.h b/include/linux/device.h
index 5b595fdfb672..f6e72a65a3f2 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -378,6 +378,7 @@ extern void device_bind_driver(struct device * dev);
 extern void device_release_driver(struct device * dev);
 extern int  device_attach(struct device * dev);
 extern void driver_attach(struct device_driver * drv);
+extern void device_reprobe(struct device *dev);
 
 
 /*
@@ -399,7 +400,7 @@ extern struct device * get_device(struct device * dev);
 extern void put_device(struct device * dev);
 
 
-/* drivers/base/power.c */
+/* drivers/base/power/shutdown.c */
 extern void device_shutdown(void);
 
 
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 2d80cc761a15..a8731062a74c 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -20,6 +20,7 @@ enum dma_data_direction {
 #define DMA_31BIT_MASK  0x000000007fffffffULL
 #define DMA_30BIT_MASK  0x000000003fffffffULL
 #define DMA_29BIT_MASK  0x000000001fffffffULL
+#define DMA_28BIT_MASK  0x000000000fffffffULL
 
 #include <asm/dma-mapping.h>
 
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 68d82ad6b17c..d6f1019625af 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -20,10 +20,7 @@ void unmap_hugepage_range(struct vm_area_struct *, unsigned long, unsigned long)
 int hugetlb_prefault(struct address_space *, struct vm_area_struct *);
 int hugetlb_report_meminfo(char *);
 int hugetlb_report_node_meminfo(int, char *);
-int is_hugepage_mem_enough(size_t);
 unsigned long hugetlb_total_pages(void);
-struct page *alloc_huge_page(struct vm_area_struct *, unsigned long);
-void free_huge_page(struct page *);
 int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
                         unsigned long address, int write_access);
 
@@ -39,18 +36,35 @@ struct page *follow_huge_addr(struct mm_struct *mm, unsigned long address,
                               int write);
 struct page *follow_huge_pmd(struct mm_struct *mm, unsigned long address,
                                 pmd_t *pmd, int write);
-int is_aligned_hugepage_range(unsigned long addr, unsigned long len);
 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
-#define hugetlb_free_pgd_range(tlb, addr, end, floor, ceiling) \
-                                                do { } while (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
-#define prepare_hugepage_range(addr, len)       \
-        is_aligned_hugepage_range(addr, len)
+/*
+ * 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
@@ -87,20 +101,17 @@ static inline unsigned long hugetlb_total_pages(void)
 #define copy_hugetlb_page_range(src, dst, vma)  ({ BUG(); 0; })
 #define hugetlb_prefault(mapping, vma)          ({ BUG(); 0; })
 #define unmap_hugepage_range(vma, start, end)   BUG()
-#define is_hugepage_mem_enough(size)            0
 #define hugetlb_report_meminfo(buf)             0
 #define hugetlb_report_node_meminfo(n, buf)     0
 #define follow_huge_pmd(mm, addr, pmd, write)   NULL
-#define is_aligned_hugepage_range(addr, len)    0
 #define prepare_hugepage_range(addr, len)       (-EINVAL)
 #define pmd_huge(x)     0
 #define is_hugepage_only_range(mm, addr, len)   0
-#define hugetlb_free_pgd_range(tlb, addr, end, floor, ceiling) \
-                                                do { } while (0)
-#define alloc_huge_page(vma, addr)              ({ NULL; })
-#define free_huge_page(p)                       ({ (void)(p); BUG(); })
+#define hugetlb_free_pgd_range(tlb, addr, end, floor, ceiling) ({BUG(); 0; })
 #define hugetlb_fault(mm, vma, addr, write)     ({ BUG(); 0; })
 
+#define hugetlb_change_protection(vma, address, end, newprot)
+
 #ifndef HPAGE_MASK
 #define HPAGE_MASK      PAGE_MASK               /* Keep the compiler happy */
 #define HPAGE_SIZE      PAGE_SIZE
@@ -128,6 +139,8 @@ struct hugetlbfs_sb_info {
 
 struct hugetlbfs_inode_info {
         struct shared_policy policy;
+        /* Protected by the (global) hugetlb_lock */
+        unsigned long prereserved_hpages;
         struct inode vfs_inode;
 };
 
@@ -144,6 +157,10 @@ static inline struct hugetlbfs_sb_info *HUGETLBFS_SB(struct super_block *sb)
 extern struct file_operations hugetlbfs_file_operations;
 extern struct vm_operations_struct hugetlb_vm_ops;
 struct file *hugetlb_zero_setup(size_t);
+int hugetlb_extend_reservation(struct hugetlbfs_inode_info *info,
+                               unsigned long atleast_hpages);
+void hugetlb_truncate_reservation(struct hugetlbfs_inode_info *info,
+                                  unsigned long atmost_hpages);
 int hugetlb_get_quota(struct address_space *mapping);
 void hugetlb_put_quota(struct address_space *mapping);
 
diff --git a/include/linux/libata.h b/include/linux/libata.h
index d81cecdda4f3..7a54244d30aa 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -509,7 +509,6 @@ extern void ata_host_set_remove(struct ata_host_set *host_set);
 extern int ata_scsi_detect(struct scsi_host_template *sht);
 extern int ata_scsi_ioctl(struct scsi_device *dev, int cmd, void __user *arg);
 extern int ata_scsi_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *));
-extern enum scsi_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd);
 extern int ata_scsi_error(struct Scsi_Host *host);
 extern void ata_eh_qc_complete(struct ata_queued_cmd *qc);
 extern void ata_eh_qc_retry(struct ata_queued_cmd *qc);
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
new file mode 100644
index 000000000000..7d09962c3c0b
--- /dev/null
+++ b/include/linux/migrate.h
@@ -0,0 +1,36 @@
+#ifndef _LINUX_MIGRATE_H
+#define _LINUX_MIGRATE_H
+
+#include <linux/config.h>
+#include <linux/mm.h>
+
+#ifdef CONFIG_MIGRATION
+extern int isolate_lru_page(struct page *p, struct list_head *pagelist);
+extern int putback_lru_pages(struct list_head *l);
+extern int migrate_page(struct page *, struct page *);
+extern void migrate_page_copy(struct page *, struct page *);
+extern int migrate_page_remove_references(struct page *, struct page *, int);
+extern int migrate_pages(struct list_head *l, struct list_head *t,
+                struct list_head *moved, struct list_head *failed);
+int migrate_pages_to(struct list_head *pagelist,
+                        struct vm_area_struct *vma, int dest);
+extern int fail_migrate_page(struct page *, struct page *);
+
+extern int migrate_prep(void);
+
+#else
+
+static inline int isolate_lru_page(struct page *p, struct list_head *list)
+                                        { return -ENOSYS; }
+static inline int putback_lru_pages(struct list_head *l) { return 0; }
+static inline int migrate_pages(struct list_head *l, struct list_head *t,
+        struct list_head *moved, struct list_head *failed) { return -ENOSYS; }
+
+static inline int migrate_prep(void) { return -ENOSYS; }
+
+/* Possible settings for the migrate_page() method in address_operations */
+#define migrate_page NULL
+#define fail_migrate_page NULL
+
+#endif /* CONFIG_MIGRATION */
+#endif /* _LINUX_MIGRATE_H */
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 498ff8778fb6..6aa016f1d3ae 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -286,43 +286,34 @@ struct page {
  *
  * Also, many kernel routines increase the page count before a critical
  * routine so they can be sure the page doesn't go away from under them.
- *
- * Since 2.6.6 (approx), a free page has ->_count = -1.  This is so that we
- * can use atomic_add_negative(-1, page->_count) to detect when the page
- * becomes free and so that we can also use atomic_inc_and_test to atomically
- * detect when we just tried to grab a ref on a page which some other CPU has
- * already deemed to be freeable.
- *
- * NO code should make assumptions about this internal detail!  Use the provided
- * macros which retain the old rules: page_count(page) == 0 is a free page.
  */
 
 /*
  * Drop a ref, return true if the logical refcount fell to zero (the page has
  * no users)
  */
-#define put_page_testzero(p)                            \
-        ({                                              \
-                BUG_ON(atomic_read(&(p)->_count) == -1);\
-                atomic_add_negative(-1, &(p)->_count);  \
-        })
+static inline int put_page_testzero(struct page *page)
+{
+        BUG_ON(atomic_read(&page->_count) == 0);
+        return atomic_dec_and_test(&page->_count);
+}
 
 /*
- * Grab a ref, return true if the page previously had a logical refcount of
- * zero.  ie: returns true if we just grabbed an already-deemed-to-be-free page
+ * Try to grab a ref unless the page has a refcount of zero, return false if
+ * that is the case.
  */
-#define get_page_testone(p)     atomic_inc_and_test(&(p)->_count)
-
-#define set_page_count(p,v)     atomic_set(&(p)->_count, (v) - 1)
-#define __put_page(p)           atomic_dec(&(p)->_count)
+static inline int get_page_unless_zero(struct page *page)
+{
+        return atomic_inc_not_zero(&page->_count);
+}
 
 extern void FASTCALL(__page_cache_release(struct page *));
 
 static inline int page_count(struct page *page)
 {
-        if (PageCompound(page))
+        if (unlikely(PageCompound(page)))
                 page = (struct page *)page_private(page);
-        return atomic_read(&page->_count) + 1;
+        return atomic_read(&page->_count);
 }
 
 static inline void get_page(struct page *page)
@@ -332,8 +323,19 @@ static inline void get_page(struct page *page)
         atomic_inc(&page->_count);
 }
 
+/*
+ * Setup the page count before being freed into the page allocator for
+ * the first time (boot or memory hotplug)
+ */
+static inline void init_page_count(struct page *page)
+{
+        atomic_set(&page->_count, 1);
+}
+
 void put_page(struct page *page);
 
+void split_page(struct page *page, unsigned int order);
+
 /*
  * Multiple processes may "see" the same page. E.g. for untouched
  * mappings of /dev/null, all processes see the same page full of
@@ -1046,7 +1048,7 @@ int in_gate_area_no_task(unsigned long addr);
 
 int drop_caches_sysctl_handler(struct ctl_table *, int, struct file *,
                                         void __user *, size_t *, loff_t *);
-int shrink_slab(unsigned long scanned, gfp_t gfp_mask,
+unsigned long shrink_slab(unsigned long scanned, gfp_t gfp_mask,
                         unsigned long lru_pages);
 void drop_pagecache(void);
 void drop_slab(void);
diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index 8ac854f7f190..3b6723dfaff3 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -32,7 +32,7 @@ del_page_from_lru(struct zone *zone, struct page *page)
 {
         list_del(&page->lru);
         if (PageActive(page)) {
-                ClearPageActive(page);
+                __ClearPageActive(page);
                 zone->nr_active--;
         } else {
                 zone->nr_inactive--;
diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h
index e933e2a355ad..8bcd9450d926 100644
--- a/include/linux/msdos_fs.h
+++ b/include/linux/msdos_fs.h
@@ -199,7 +199,7 @@ struct fat_mount_options {
                  sys_immutable:1, /* set = system files are immutable */
                  dotsOK:1,        /* set = hidden and system files are named '.filename' */
                  isvfat:1,        /* 0=no vfat long filename support, 1=vfat support */
-                 utf8:1,          /* Use of UTF8 character set (Default) */
+                 utf8:1,          /* Use of UTF-8 character set (Default) */
                  unicode_xlate:1, /* create escape sequences for unhandled Unicode */
                  numtail:1,       /* Does first alias have a numeric '~1' type tail? */
                  atari:1,         /* Use Atari GEMDOS variation of MS-DOS fs */
diff --git a/include/linux/net.h b/include/linux/net.h
index 152fa6551fd8..84a490e5f0a1 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -143,6 +143,8 @@ struct proto_ops {
                                       struct poll_table_struct *wait);
         int             (*ioctl)     (struct socket *sock, unsigned int cmd,
                                       unsigned long arg);
+        int             (*compat_ioctl) (struct socket *sock, unsigned int cmd,
+                                      unsigned long arg);
         int             (*listen)    (struct socket *sock, int len);
         int             (*shutdown)  (struct socket *sock, int flags);
         int             (*setsockopt)(struct socket *sock, int level,
@@ -251,6 +253,8 @@ SOCKCALL_UWRAP(name, poll, (struct file *file, struct socket *sock, struct poll_
               (file, sock, wait)) \
 SOCKCALL_WRAP(name, ioctl, (struct socket *sock, unsigned int cmd, \
                          unsigned long arg), (sock, cmd, arg)) \
+SOCKCALL_WRAP(name, compat_ioctl, (struct socket *sock, unsigned int cmd, \
+                         unsigned long arg), (sock, cmd, arg)) \
 SOCKCALL_WRAP(name, listen, (struct socket *sock, int len), (sock, len)) \
 SOCKCALL_WRAP(name, shutdown, (struct socket *sock, int flags), (sock, flags)) \
 SOCKCALL_WRAP(name, setsockopt, (struct socket *sock, int level, int optname, \
@@ -275,6 +279,7 @@ static const struct proto_ops name##_ops = {			\
         .getname        = __lock_##name##_getname,      \
         .poll           = __lock_##name##_poll,         \
         .ioctl          = __lock_##name##_ioctl,        \
+        .compat_ioctl   = __lock_##name##_compat_ioctl, \
         .listen         = __lock_##name##_listen,       \
         .shutdown       = __lock_##name##_shutdown,     \
         .setsockopt     = __lock_##name##_setsockopt,   \
@@ -283,6 +288,7 @@ static const struct proto_ops name##_ops = {			\
         .recvmsg        = __lock_##name##_recvmsg,      \
         .mmap           = __lock_##name##_mmap,         \
 };
+
 #endif
 
 #define MODULE_ALIAS_NETPROTO(proto) \
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index d52999c43336..9ea629c02a4b 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -86,8 +86,9 @@
  * - The __xxx_page_state variants can be used safely when interrupts are
  * disabled.
  * - The __xxx_page_state variants can be used if the field is only
- * modified from process context, or only modified from interrupt context.
- * In this case, the field should be commented here.
+ * modified from process context and protected from preemption, or only
+ * modified from interrupt context.  In this case, the field should be
+ * commented here.
  */
 struct page_state {
         unsigned long nr_dirty;         /* Dirty writeable pages */
@@ -239,22 +240,19 @@ extern void __mod_page_state_offset(unsigned long offset, unsigned long delta);
 #define __ClearPageDirty(page)  __clear_bit(PG_dirty, &(page)->flags)
 #define TestClearPageDirty(page) test_and_clear_bit(PG_dirty, &(page)->flags)
 
-#define SetPageLRU(page)        set_bit(PG_lru, &(page)->flags)
 #define PageLRU(page)           test_bit(PG_lru, &(page)->flags)
-#define TestSetPageLRU(page)    test_and_set_bit(PG_lru, &(page)->flags)
-#define TestClearPageLRU(page)  test_and_clear_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 TestClearPageActive(page) test_and_clear_bit(PG_active, &(page)->flags)
-#define TestSetPageActive(page) test_and_set_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)
-#define TestClearPageSlab(page) test_and_clear_bit(PG_slab, &(page)->flags)
-#define TestSetPageSlab(page)   test_and_set_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))
@@ -329,8 +327,8 @@ extern void __mod_page_state_offset(unsigned long offset, unsigned long delta);
 #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)
-#define ClearPageCompound(page) clear_bit(PG_compound, &(page)->flags)
+#define __SetPageCompound(page) __set_bit(PG_compound, &(page)->flags)
+#define __ClearPageCompound(page) __clear_bit(PG_compound, &(page)->flags)
 
 #ifdef CONFIG_SWAP
 #define PageSwapCache(page)     test_bit(PG_swapcache, &(page)->flags)
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index b9810ddf435a..ec3c32932620 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -852,6 +852,8 @@
 #define PCI_DEVICE_ID_QLOGIC_ISP2432    0x2432
 #define PCI_DEVICE_ID_QLOGIC_ISP2512    0x2512
 #define PCI_DEVICE_ID_QLOGIC_ISP2522    0x2522
+#define PCI_DEVICE_ID_QLOGIC_ISP5422    0x5422
+#define PCI_DEVICE_ID_QLOGIC_ISP5432    0x5432
 
 #define PCI_VENDOR_ID_CYRIX             0x1078
 #define PCI_DEVICE_ID_CYRIX_5510        0x0000
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 0b2ba67ff13c..b739ac1f7ca0 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -11,8 +11,6 @@
 #ifndef _LINUX_RTC_H_
 #define _LINUX_RTC_H_
 
-#include <linux/interrupt.h>
-
 /*
  * The struct used to pass data via the following ioctl. Similar to the
  * struct tm in <time.h>, but it needs to be here so that the kernel 
@@ -95,6 +93,8 @@ struct rtc_pll_info {
 
 #ifdef __KERNEL__
 
+#include <linux/interrupt.h>
+
 typedef struct rtc_task {
         void (*func)(void *private_data);
         void *private_data;
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 8cf52939d0ab..2b28c849d75a 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -38,7 +38,6 @@ typedef struct kmem_cache kmem_cache_t;
 #define SLAB_DEBUG_INITIAL      0x00000200UL    /* Call constructor (as verifier) */
 #define SLAB_RED_ZONE           0x00000400UL    /* Red zone objs in a cache */
 #define SLAB_POISON             0x00000800UL    /* Poison objects */
-#define SLAB_NO_REAP            0x00001000UL    /* never reap from the cache */
 #define SLAB_HWCACHE_ALIGN      0x00002000UL    /* align objs on a h/w cache lines */
 #define SLAB_CACHE_DMA          0x00004000UL    /* use GFP_DMA memory */
 #define SLAB_MUST_HWCACHE_ALIGN 0x00008000UL    /* force alignment */
@@ -118,7 +117,7 @@ extern void *kzalloc(size_t, gfp_t);
  */
 static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
 {
-        if (n != 0 && size > INT_MAX / n)
+        if (n != 0 && size > ULONG_MAX / n)
                 return NULL;
         return kzalloc(n * size, flags);
 }
diff --git a/include/linux/smp.h b/include/linux/smp.h
index 44153fdf73fc..d699a16b0cb2 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -52,23 +52,12 @@ extern void smp_cpus_done(unsigned int max_cpus);
 /*
  * Call a function on all other processors
  */
-extern int smp_call_function (void (*func) (void *info), void *info,
-                              int retry, int wait);
+int smp_call_function(void(*func)(void *info), void *info, int retry, int wait);
 
 /*
  * Call a function on all processors
  */
-static inline int on_each_cpu(void (*func) (void *info), void *info,
-                              int retry, int wait)
-{
-        int ret = 0;
-
-        preempt_disable();
-        ret = smp_call_function(func, info, retry, wait);
-        func(info);
-        preempt_enable();
-        return ret;
-}
+int on_each_cpu(void (*func) (void *info), void *info, int retry, int wait);
 
 #define MSG_ALL_BUT_SELF        0x8000  /* Assume <32768 CPU's */
 #define MSG_ALL                 0x8001
@@ -94,7 +83,13 @@ void smp_prepare_boot_cpu(void);
 #define raw_smp_processor_id()                  0
 #define hard_smp_processor_id()                 0
 #define smp_call_function(func,info,retry,wait) ({ 0; })
-#define on_each_cpu(func,info,retry,wait)       ({ func(info); 0; })
+#define on_each_cpu(func,info,retry,wait)       \
+        ({                                      \
+                local_irq_disable();            \
+                func(info);                     \
+                local_irq_enable();             \
+                0;                              \
+        })
 static inline void smp_send_reschedule(int cpu) { }
 #define num_booting_cpus()                      1
 #define smp_prepare_boot_cpu()                  do {} while (0)
diff --git a/include/linux/swap.h b/include/linux/swap.h
index d572b19afb7d..12415dd94451 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -172,9 +172,24 @@ extern int rotate_reclaimable_page(struct page *page);
 extern void swap_setup(void);
 
 /* linux/mm/vmscan.c */
-extern int try_to_free_pages(struct zone **, gfp_t);
-extern int shrink_all_memory(int);
+extern unsigned long try_to_free_pages(struct zone **, gfp_t);
+extern unsigned long shrink_all_memory(unsigned long nr_pages);
 extern int vm_swappiness;
+extern int remove_mapping(struct address_space *mapping, struct page *page);
+
+/* possible outcome of pageout() */
+typedef enum {
+        /* failed to write page out, page is locked */
+        PAGE_KEEP,
+        /* move page to the active list, page is locked */
+        PAGE_ACTIVATE,
+        /* page has been sent to the disk successfully, page is unlocked */
+        PAGE_SUCCESS,
+        /* page is clean and locked */
+        PAGE_CLEAN,
+} pageout_t;
+
+extern pageout_t pageout(struct page *page, struct address_space *mapping);
 
 #ifdef CONFIG_NUMA
 extern int zone_reclaim_mode;
@@ -188,25 +203,6 @@ static inline int zone_reclaim(struct zone *z, gfp_t mask, unsigned int order)
 }
 #endif
 
-#ifdef CONFIG_MIGRATION
-extern int isolate_lru_page(struct page *p);
-extern int putback_lru_pages(struct list_head *l);
-extern int migrate_page(struct page *, struct page *);
-extern void migrate_page_copy(struct page *, struct page *);
-extern int migrate_page_remove_references(struct page *, struct page *, int);
-extern int migrate_pages(struct list_head *l, struct list_head *t,
-                struct list_head *moved, struct list_head *failed);
-extern int fail_migrate_page(struct page *, struct page *);
-#else
-static inline int isolate_lru_page(struct page *p) { return -ENOSYS; }
-static inline int putback_lru_pages(struct list_head *l) { return 0; }
-static inline int migrate_pages(struct list_head *l, struct list_head *t,
-        struct list_head *moved, struct list_head *failed) { return -ENOSYS; }
-/* Possible settings for the migrate_page() method in address_operations */
-#define migrate_page NULL
-#define fail_migrate_page NULL
-#endif
-
 #ifdef CONFIG_MMU
 /* linux/mm/shmem.c */
 extern int shmem_unuse(swp_entry_t entry, struct page *page);
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 86b111300231..957c21c16d62 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -20,6 +20,10 @@ struct work_struct {
         struct timer_list timer;
 };
 
+struct execute_work {
+        struct work_struct work;
+};
+
 #define __WORK_INITIALIZER(n, f, d) {                           \
         .entry  = { &(n).entry, &(n).entry },                   \
         .func = (f),                                            \
@@ -74,6 +78,8 @@ extern void init_workqueues(void);
 void cancel_rearming_delayed_work(struct work_struct *work);
 void cancel_rearming_delayed_workqueue(struct workqueue_struct *,
                                        struct work_struct *);
+int execute_in_process_context(void (*fn)(void *), void *,
+                               struct execute_work *);
 
 /*
  * Kill off a pending schedule_delayed_work().  Note that the work callback
diff --git a/include/linux/x25.h b/include/linux/x25.h
index 16d44931afa0..d035e4e87d07 100644
--- a/include/linux/x25.h
+++ b/include/linux/x25.h
@@ -11,6 +11,8 @@
 #ifndef X25_KERNEL_H
 #define X25_KERNEL_H
 
+#include <linux/types.h>
+
 #define SIOCX25GSUBSCRIP        (SIOCPROTOPRIVATE + 0)
 #define SIOCX25SSUBSCRIP        (SIOCPROTOPRIVATE + 1)
 #define SIOCX25GFACILITIES      (SIOCPROTOPRIVATE + 2)
@@ -21,6 +23,8 @@
 #define SIOCX25SCUDMATCHLEN     (SIOCPROTOPRIVATE + 7)
 #define SIOCX25CALLACCPTAPPRV   (SIOCPROTOPRIVATE + 8)
 #define SIOCX25SENDCALLACCPT    (SIOCPROTOPRIVATE + 9)
+#define SIOCX25GDTEFACILITIES (SIOCPROTOPRIVATE + 10)
+#define SIOCX25SDTEFACILITIES (SIOCPROTOPRIVATE + 11)
 
 /*
  *      Values for {get,set}sockopt.
@@ -77,6 +81,8 @@ struct x25_subscrip_struct {
 #define X25_MASK_PACKET_SIZE    0x04
 #define X25_MASK_WINDOW_SIZE    0x08
 
+#define X25_MASK_CALLING_AE 0x10
+#define X25_MASK_CALLED_AE 0x20
 
 
 /*
@@ -99,6 +105,26 @@ struct x25_facilities {
 };
 
 /*
+* ITU DTE facilities
+* Only the called and calling address
+* extension are currently implemented.
+* The rest are in place to avoid the struct
+* changing size if someone needs them later
+*/
+
+struct x25_dte_facilities {
+        __u16 delay_cumul;
+        __u16 delay_target;
+        __u16 delay_max;
+        __u8 min_throughput;
+        __u8 expedited;
+        __u8 calling_len;
+        __u8 called_len;
+        __u8 calling_ae[20];
+        __u8 called_ae[20];
+};
+
+/*
  *      Call User Data structure.
  */
 struct x25_calluserdata {