diff options
Diffstat (limited to 'include/linux/compaction.h')
| -rw-r--r-- | include/linux/compaction.h | 23 |
1 files changed, 2 insertions, 21 deletions
diff --git a/include/linux/compaction.h b/include/linux/compaction.h index e988037abd2..133ddcf8339 100644 --- a/include/linux/compaction.h +++ b/include/linux/compaction.h @@ -1,8 +1,6 @@ #ifndef _LINUX_COMPACTION_H #define _LINUX_COMPACTION_H -#include <linux/node.h> - /* Return values for compact_zone() and try_to_compact_pages() */ /* compaction didn't start as it was not possible or direct reclaim was more suitable */ #define COMPACT_SKIPPED 0 @@ -13,23 +11,6 @@ /* The full zone was compacted */ #define COMPACT_COMPLETE 3 -/* - * compaction supports three modes - * - * COMPACT_ASYNC_MOVABLE uses asynchronous migration and only scans - * MIGRATE_MOVABLE pageblocks as migration sources and targets. - * COMPACT_ASYNC_UNMOVABLE uses asynchronous migration and only scans - * MIGRATE_MOVABLE pageblocks as migration sources. - * MIGRATE_UNMOVABLE pageblocks are scanned as potential migration - * targets and convers them to MIGRATE_MOVABLE if possible - * COMPACT_SYNC uses synchronous migration and scans all pageblocks - */ -enum compact_mode { - COMPACT_ASYNC_MOVABLE, - COMPACT_ASYNC_UNMOVABLE, - COMPACT_SYNC, -}; - #ifdef CONFIG_COMPACTION extern int sysctl_compact_memory; extern int sysctl_compaction_handler(struct ctl_table *table, int write, @@ -77,7 +58,7 @@ static inline bool compaction_deferred(struct zone *zone, int order) if (++zone->compact_considered > defer_limit) zone->compact_considered = defer_limit; - return zone->compact_considered < (1UL << zone->compact_defer_shift); + return zone->compact_considered < defer_limit; } #else @@ -104,7 +85,7 @@ static inline void defer_compaction(struct zone *zone, int order) static inline bool compaction_deferred(struct zone *zone, int order) { - return 1; + return true; } #endif /* CONFIG_COMPACTION */ |