mm: compaction: prevent kswapd compacting memory to reduce CPU usage

[linux-flexiantxendom0-natty.git] / include / linux / compaction.h

diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index dfa2ed4..cc9f7a4 100644 (file)
--- a/include/linux/compaction.h
+++ b/include/linux/compaction.h
@@ -11,9 +11,6 @@
 /* The full zone was compacted */
 #define COMPACT_COMPLETE       3
 
-#define COMPACT_MODE_DIRECT_RECLAIM    0
-#define COMPACT_MODE_KSWAPD            1
-
 #ifdef CONFIG_COMPACTION
 extern int sysctl_compact_memory;
 extern int sysctl_compaction_handler(struct ctl_table *table, int write,
@@ -28,8 +25,7 @@ extern unsigned long try_to_compact_pages(struct zonelist *zonelist,
                        bool sync);
 extern unsigned long compaction_suitable(struct zone *zone, int order);
 extern unsigned long compact_zone_order(struct zone *zone, int order,
-                                       gfp_t gfp_mask, bool sync,
-                                       int compact_mode);
+                                       gfp_t gfp_mask, bool sync);
 
 /* Do not skip compaction more than 64 times */
 #define COMPACT_MAX_DEFER_SHIFT 6
@@ -74,8 +70,7 @@ static inline unsigned long compaction_suitable(struct zone *zone, int order)
 }
 
 static inline unsigned long compact_zone_order(struct zone *zone, int order,
-                                              gfp_t gfp_mask, bool sync,
-                                              int compact_mode)
+                                              gfp_t gfp_mask, bool sync)
 {
        return COMPACT_CONTINUE;
 }