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mm: enable CONFIG_COMPACTION by default

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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>
This commit is contained in:
Rik van Riel 2012-10-08 16:33:03 -07:00 committed by Linus Torvalds
parent eab1eef991
commit 05106e6a54
1 changed files with 1 additions and 0 deletions
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mm/Kconfig
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@ -191,6 +191,7 @@ config SPLIT_PTLOCK_CPUS
# support for memory compaction
config COMPACTION
bool "Allow for memory compaction"
def_bool y
select MIGRATION
depends on MMU
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