7 files changed, 43 insertions, 42 deletions

diff --git a/include/linux/compat.h b/include/linux/compat.h
index f4ebf96f5308..f1553196826f 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -196,7 +196,7 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
 #define BITS_TO_COMPAT_LONGS(bits) \
         (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG)
 
-long compat_get_bitmap(unsigned long *mask, compat_ulong_t __user *umask,
+long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask,
                        unsigned long bitmap_size);
 long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
                        unsigned long bitmap_size);
diff --git a/include/linux/init.h b/include/linux/init.h
index e92b1455d7af..ff40ea118e3a 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -84,19 +84,29 @@ extern void setup_arch(char **);
  * by link order. 
  * For backwards compatibility, initcall() puts the call in 
  * the device init subsection.
+ *
+ * The `id' arg to __define_initcall() is needed so that multiple initcalls
+ * can point at the same handler without causing duplicate-symbol build errors.
  */
 
-#define __define_initcall(level,fn) \
-        static initcall_t __initcall_##fn __attribute_used__ \
+#define __define_initcall(level,fn,id) \
+        static initcall_t __initcall_##fn##id __attribute_used__ \
         __attribute__((__section__(".initcall" level ".init"))) = fn
 
-#define core_initcall(fn)               __define_initcall("1",fn)
-#define postcore_initcall(fn)           __define_initcall("2",fn)
-#define arch_initcall(fn)               __define_initcall("3",fn)
-#define subsys_initcall(fn)             __define_initcall("4",fn)
-#define fs_initcall(fn)                 __define_initcall("5",fn)
-#define device_initcall(fn)             __define_initcall("6",fn)
-#define late_initcall(fn)               __define_initcall("7",fn)
+#define core_initcall(fn)               __define_initcall("1",fn,1)
+#define core_initcall_sync(fn)          __define_initcall("1s",fn,1s)
+#define postcore_initcall(fn)           __define_initcall("2",fn,2)
+#define postcore_initcall_sync(fn)      __define_initcall("2s",fn,2s)
+#define arch_initcall(fn)               __define_initcall("3",fn,3)
+#define arch_initcall_sync(fn)          __define_initcall("3s",fn,3s)
+#define subsys_initcall(fn)             __define_initcall("4",fn,4)
+#define subsys_initcall_sync(fn)        __define_initcall("4s",fn,4s)
+#define fs_initcall(fn)                 __define_initcall("5",fn,5)
+#define fs_initcall_sync(fn)            __define_initcall("5s",fn,5s)
+#define device_initcall(fn)             __define_initcall("6",fn,6)
+#define device_initcall_sync(fn)        __define_initcall("6s",fn,6s)
+#define late_initcall(fn)               __define_initcall("7",fn,7)
+#define late_initcall_sync(fn)          __define_initcall("7s",fn,7s)
 
 #define __initcall(fn) device_initcall(fn)
 
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index ed0762b283a9..e06683e2bea3 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -218,13 +218,9 @@ struct zone {
          * under - it drives the swappiness decision: whether to unmap mapped
          * pages.
          *
-         * temp_priority is used to remember the scanning priority at which
-         * this zone was successfully refilled to free_pages == pages_high.
-         *
-         * Access to both these fields is quite racy even on uniprocessor.  But
+         * Access to both this field is quite racy even on uniprocessor.  But
          * it is expected to average out OK.
          */
-        int temp_priority;
         int prev_priority;
 
 
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 64f950925151..c3e255bf8594 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -52,19 +52,23 @@ static inline void mapping_set_gfp_mask(struct address_space *m, gfp_t mask)
 void release_pages(struct page **pages, int nr, int cold);
 
 #ifdef CONFIG_NUMA
-extern struct page *page_cache_alloc(struct address_space *x);
-extern struct page *page_cache_alloc_cold(struct address_space *x);
+extern struct page *__page_cache_alloc(gfp_t gfp);
 #else
+static inline struct page *__page_cache_alloc(gfp_t gfp)
+{
+        return alloc_pages(gfp, 0);
+}
+#endif
+
 static inline struct page *page_cache_alloc(struct address_space *x)
 {
-        return alloc_pages(mapping_gfp_mask(x), 0);
+        return __page_cache_alloc(mapping_gfp_mask(x));
 }
 
 static inline struct page *page_cache_alloc_cold(struct address_space *x)
 {
-        return alloc_pages(mapping_gfp_mask(x)|__GFP_COLD, 0);
+        return __page_cache_alloc(mapping_gfp_mask(x)|__GFP_COLD);
 }
-#endif
 
 typedef int filler_t(void *, struct page *);
 
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 6735c1cf334c..eafe4a7b8237 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -466,7 +466,6 @@ struct signal_struct {
         struct pacct_struct pacct;      /* per-process accounting information */
 #endif
 #ifdef CONFIG_TASKSTATS
-        spinlock_t stats_lock;
         struct taskstats *stats;
 #endif
 };
diff --git a/include/linux/taskstats_kern.h b/include/linux/taskstats_kern.h
index 16894b7edcc8..6562a2050a25 100644
--- a/include/linux/taskstats_kern.h
+++ b/include/linux/taskstats_kern.h
@@ -23,25 +23,26 @@ static inline void taskstats_exit_free(struct taskstats *tidstats)
 
 static inline void taskstats_tgid_init(struct signal_struct *sig)
 {
-        spin_lock_init(&sig->stats_lock);
         sig->stats = NULL;
 }
 
-static inline void taskstats_tgid_alloc(struct signal_struct *sig)
+static inline void taskstats_tgid_alloc(struct task_struct *tsk)
 {
+        struct signal_struct *sig = tsk->signal;
         struct taskstats *stats;
-        unsigned long flags;
 
-        stats = kmem_cache_zalloc(taskstats_cache, SLAB_KERNEL);
-        if (!stats)
+        if (sig->stats != NULL)
                 return;
 
-        spin_lock_irqsave(&sig->stats_lock, flags);
+        /* No problem if kmem_cache_zalloc() fails */
+        stats = kmem_cache_zalloc(taskstats_cache, SLAB_KERNEL);
+
+        spin_lock_irq(&tsk->sighand->siglock);
         if (!sig->stats) {
                 sig->stats = stats;
                 stats = NULL;
         }
-        spin_unlock_irqrestore(&sig->stats_lock, flags);
+        spin_unlock_irq(&tsk->sighand->siglock);
 
         if (stats)
                 kmem_cache_free(taskstats_cache, stats);
@@ -49,23 +50,13 @@ static inline void taskstats_tgid_alloc(struct signal_struct *sig)
 
 static inline void taskstats_tgid_free(struct signal_struct *sig)
 {
-        struct taskstats *stats = NULL;
-        unsigned long flags;
-
-        spin_lock_irqsave(&sig->stats_lock, flags);
-        if (sig->stats) {
-                stats = sig->stats;
-                sig->stats = NULL;
-        }
-        spin_unlock_irqrestore(&sig->stats_lock, flags);
-        if (stats)
-                kmem_cache_free(taskstats_cache, stats);
+        if (sig->stats)
+                kmem_cache_free(taskstats_cache, sig->stats);
 }
 
 extern void taskstats_exit_alloc(struct taskstats **, unsigned int *);
 extern void taskstats_exit_send(struct task_struct *, struct taskstats *, int, unsigned int);
 extern void taskstats_init_early(void);
-extern void taskstats_tgid_alloc(struct signal_struct *);
 #else
 static inline void taskstats_exit_alloc(struct taskstats **ptidstats, unsigned int *mycpu)
 {}
@@ -77,7 +68,7 @@ static inline void taskstats_exit_send(struct task_struct *tsk,
 {}
 static inline void taskstats_tgid_init(struct signal_struct *sig)
 {}
-static inline void taskstats_tgid_alloc(struct signal_struct *sig)
+static inline void taskstats_tgid_alloc(struct task_struct *tsk)
 {}
 static inline void taskstats_tgid_free(struct signal_struct *sig)
 {}
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index ce5f1482e6be..dc9a29d84abc 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -60,7 +60,8 @@ extern struct vm_struct *get_vm_area(unsigned long size, unsigned long flags);
 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,
-                                        unsigned long flags, int node);
+                                          unsigned long flags, int node,
+                                          gfp_t gfp_mask);
 extern struct vm_struct *remove_vm_area(void *addr);
 extern int map_vm_area(struct vm_struct *area, pgprot_t prot,
                         struct page ***pages);