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mm: enable CONFIG_COMPACTION by default

Now that lumpy reclaim has been removed, compaction is the only way left
to free up contiguous memory areas.  It is time to just enable
CONFIG_COMPACTION by default.

Signed-off-by: Rik van Riel <riel@redhat.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Acked-by: Rafael Aquini <aquini@redhat.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Rik van Riel 12 years ago
parent
commit
05106e6a54
1 changed files with 1 additions and 0 deletions
  1. 1 0
      mm/Kconfig

+ 1 - 0
mm/Kconfig

@@ -191,6 +191,7 @@ config SPLIT_PTLOCK_CPUS
 # support for memory compaction
 # support for memory compaction
 config COMPACTION
 config COMPACTION
 	bool "Allow for memory compaction"
 	bool "Allow for memory compaction"
+	def_bool y
 	select MIGRATION
 	select MIGRATION
 	depends on MMU
 	depends on MMU
 	help
 	help