1 files changed, 16 insertions, 57 deletions

diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index eaaea37b3b75..bcd942fa611c 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -5,62 +5,9 @@
 #include <linux/percpu.h>
 #include <linux/mm.h>
 #include <linux/mmzone.h>
+#include <linux/vm_event_item.h>
 #include <asm/atomic.h>
 
-#ifdef CONFIG_ZONE_DMA
-#define DMA_ZONE(xx) xx##_DMA,
-#else
-#define DMA_ZONE(xx)
-#endif
-
-#ifdef CONFIG_ZONE_DMA32
-#define DMA32_ZONE(xx) xx##_DMA32,
-#else
-#define DMA32_ZONE(xx)
-#endif
-
-#ifdef CONFIG_HIGHMEM
-#define HIGHMEM_ZONE(xx) , xx##_HIGH
-#else
-#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,
-                FOR_ALL_ZONES(PGALLOC),
-                PGFREE, PGACTIVATE, PGDEACTIVATE,
-                PGFAULT, PGMAJFAULT,
-                FOR_ALL_ZONES(PGREFILL),
-                FOR_ALL_ZONES(PGSTEAL),
-                FOR_ALL_ZONES(PGSCAN_KSWAPD),
-                FOR_ALL_ZONES(PGSCAN_DIRECT),
-#ifdef CONFIG_NUMA
-                PGSCAN_ZONE_RECLAIM_FAILED,
-#endif
-                PGINODESTEAL, SLABS_SCANNED, KSWAPD_STEAL, KSWAPD_INODESTEAL,
-                KSWAPD_LOW_WMARK_HIT_QUICKLY, KSWAPD_HIGH_WMARK_HIT_QUICKLY,
-                KSWAPD_SKIP_CONGESTION_WAIT,
-                PAGEOUTRUN, ALLOCSTALL, PGROTATED,
-#ifdef CONFIG_COMPACTION
-                COMPACTBLOCKS, COMPACTPAGES, COMPACTPAGEFAILED,
-                COMPACTSTALL, COMPACTFAIL, COMPACTSUCCESS,
-#endif
-#ifdef CONFIG_HUGETLB_PAGE
-                HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
-#endif
-                UNEVICTABLE_PGCULLED,   /* culled to noreclaim list */
-                UNEVICTABLE_PGSCANNED,  /* scanned for reclaimability */
-                UNEVICTABLE_PGRESCUED,  /* rescued from noreclaim list */
-                UNEVICTABLE_PGMLOCKED,
-                UNEVICTABLE_PGMUNLOCKED,
-                UNEVICTABLE_PGCLEARED,  /* on COW, page truncate */
-                UNEVICTABLE_PGSTRANDED, /* unable to isolate on unlock */
-                UNEVICTABLE_MLOCKFREED,
-                NR_VM_EVENT_ITEMS
-};
-
 extern int sysctl_stat_interval;
 
 #ifdef CONFIG_VM_EVENT_COUNTERS
@@ -220,12 +167,12 @@ static inline unsigned long node_page_state(int node,
                 zone_page_state(&zones[ZONE_MOVABLE], item);
 }
 
-extern void zone_statistics(struct zone *, struct zone *);
+extern void zone_statistics(struct zone *, struct zone *, gfp_t gfp);
 
 #else
 
 #define node_page_state(node, item) global_page_state(item)
-#define zone_statistics(_zl,_z) do { } while (0)
+#define zone_statistics(_zl, _z, gfp) do { } while (0)
 
 #endif /* CONFIG_NUMA */
 
@@ -254,6 +201,12 @@ extern void dec_zone_state(struct zone *, enum zone_stat_item);
 extern void __dec_zone_state(struct zone *, enum zone_stat_item);
 
 void refresh_cpu_vm_stats(int);
+void refresh_zone_stat_thresholds(void);
+
+int calculate_pressure_threshold(struct zone *zone);
+int calculate_normal_threshold(struct zone *zone);
+void set_pgdat_percpu_threshold(pg_data_t *pgdat,
+                                int (*calculate_pressure)(struct zone *));
 #else /* CONFIG_SMP */
 
 /*
@@ -298,7 +251,13 @@ static inline void __dec_zone_page_state(struct page *page,
 #define dec_zone_page_state __dec_zone_page_state
 #define mod_zone_page_state __mod_zone_page_state
 
+#define set_pgdat_percpu_threshold(pgdat, callback) { }
+
 static inline void refresh_cpu_vm_stats(int cpu) { }
-#endif
+static inline void refresh_zone_stat_thresholds(void) { }
+
+#endif          /* CONFIG_SMP */
+
+extern const char * const vmstat_text[];
 
 #endif /* _LINUX_VMSTAT_H */