proc: much faster /proc/vmstat

[cascardo/linux.git] / mm / internal.h

diff --git a/mm/internal.h b/mm/internal.h
index 9b6a6c4..537ac99 100644 (file)
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -78,7 +78,7 @@ extern unsigned long highest_memmap_pfn;
  */
 extern int isolate_lru_page(struct page *page);
 extern void putback_lru_page(struct page *page);
-extern bool zone_reclaimable(struct zone *zone);
+extern bool pgdat_reclaimable(struct pglist_data *pgdat);
 
 /*
  * in mm/rmap.c:
@@ -178,17 +178,15 @@ struct compact_control {
        unsigned long last_migrated_pfn;/* Not yet flushed page being freed */
        enum migrate_mode mode;         /* Async or sync migration mode */
        bool ignore_skip_hint;          /* Scan blocks even if marked skip */
+       bool ignore_block_suitable;     /* Scan blocks considered unsuitable */
        bool direct_compaction;         /* False from kcompactd or /proc/... */
-       bool whole_zone;                /* Whole zone has been scanned */
+       bool whole_zone;                /* Whole zone should/has been scanned */
        int order;                      /* order a direct compactor needs */
        const gfp_t gfp_mask;           /* gfp mask of a direct compactor */
        const unsigned int alloc_flags; /* alloc flags of a direct compactor */
        const int classzone_idx;        /* zone index of a direct compactor */
        struct zone *zone;
-       int contended;                  /* Signal need_sched() or lock
-                                        * contention detected during
-                                        * compaction
-                                        */
+       bool contended;                 /* Signal lock or sched contention */
 };
 
 unsigned long
@@ -433,10 +431,10 @@ static inline void mminit_validate_memmodel_limits(unsigned long *start_pfn,
 }
 #endif /* CONFIG_SPARSEMEM */
 
-#define ZONE_RECLAIM_NOSCAN    -2
-#define ZONE_RECLAIM_FULL      -1
-#define ZONE_RECLAIM_SOME      0
-#define ZONE_RECLAIM_SUCCESS   1
+#define NODE_RECLAIM_NOSCAN    -2
+#define NODE_RECLAIM_FULL      -1
+#define NODE_RECLAIM_SOME      0
+#define NODE_RECLAIM_SUCCESS   1
 
 extern int hwpoison_filter(struct page *p);
 
@@ -467,7 +465,6 @@ unsigned long reclaim_clean_pages_from_list(struct zone *zone,
 #define ALLOC_HIGH             0x20 /* __GFP_HIGH set */
 #define ALLOC_CPUSET           0x40 /* check for correct cpuset */
 #define ALLOC_CMA              0x80 /* allow allocations from CMA areas */
-#define ALLOC_FAIR             0x100 /* fair zone allocation */
 
 enum ttu_flags;
 struct tlbflush_unmap_batch;