Merge branch 'master' of /home/trondmy/kernel/linux-2.6/

1 files changed, 25 insertions, 13 deletions

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index d6120fa69116..27e748eb72b0 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -46,6 +46,27 @@ struct zone_padding {
 #define ZONE_PADDING(name)
 #endif
 
+enum zone_stat_item {
+        NR_ANON_PAGES,  /* Mapped anonymous pages */
+        NR_FILE_MAPPED, /* pagecache pages mapped into pagetables.
+                           only modified from process context */
+        NR_FILE_PAGES,
+        NR_SLAB,        /* Pages used by slab allocator */
+        NR_PAGETABLE,   /* used for pagetables */
+        NR_FILE_DIRTY,
+        NR_WRITEBACK,
+        NR_UNSTABLE_NFS,        /* NFS unstable pages */
+        NR_BOUNCE,
+#ifdef CONFIG_NUMA
+        NUMA_HIT,               /* allocated in intended node */
+        NUMA_MISS,              /* allocated in non intended node */
+        NUMA_FOREIGN,           /* was intended here, hit elsewhere */
+        NUMA_INTERLEAVE_HIT,    /* interleaver preferred this zone */
+        NUMA_LOCAL,             /* allocation from local node */
+        NUMA_OTHER,             /* allocation from other node */
+#endif
+        NR_VM_ZONE_STAT_ITEMS };
+
 struct per_cpu_pages {
         int count;              /* number of pages in the list */
         int high;               /* high watermark, emptying needed */
@@ -55,13 +76,8 @@ struct per_cpu_pages {
 
 struct per_cpu_pageset {
         struct per_cpu_pages pcp[2];    /* 0: hot.  1: cold */
-#ifdef CONFIG_NUMA
-        unsigned long numa_hit;         /* allocated in intended node */
-        unsigned long numa_miss;        /* allocated in non intended node */
-        unsigned long numa_foreign;     /* was intended here, hit elsewhere */
-        unsigned long interleave_hit;   /* interleaver prefered this zone */
-        unsigned long local_node;       /* allocation from local node */
-        unsigned long other_node;       /* allocation from other node */
+#ifdef CONFIG_SMP
+        s8 vm_stat_diff[NR_VM_ZONE_STAT_ITEMS];
 #endif
 } ____cacheline_aligned_in_smp;
 
@@ -165,12 +181,8 @@ struct zone {
         /* A count of how many reclaimers are scanning this zone */
         atomic_t                reclaim_in_progress;
 
-        /*
-         * timestamp (in jiffies) of the last zone reclaim that did not
-         * result in freeing of pages. This is used to avoid repeated scans
-         * if all memory in the zone is in use.
-         */
-        unsigned long           last_unsuccessful_zone_reclaim;
+        /* Zone statistics */
+        atomic_long_t           vm_stat[NR_VM_ZONE_STAT_ITEMS];
 
         /*
          * prev_priority holds the scanning priority for this zone.  It is