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>
diff --git a/mm/Kconfig b/mm/Kconfig
index 3322342..a3f8ddd 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -191,6 +191,7 @@
# support for memory compaction
config COMPACTION
bool "Allow for memory compaction"
+ def_bool y
select MIGRATION
depends on MMU
help