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| H A D | compaction.c | diff 3a7200af3d9227767869f451ed747aff07d8df48 Wed Sep 11 16:22:19 CDT 2013 Mel Gorman <mgorman@suse.de> mm: compaction: do not compact pgdat for order-0
If kswapd was reclaiming for a high order and resets it to 0 due to
fragmentation it will still call compact_pgdat. For the most part, this
will fail a compaction_suitable() test and not compact but it is
unnecessarily sloppy. It could be fixed in the caller but fix it in the
API instead.
[dhillf@gmail.com: pointed out that it was a potential problem]
Signed-off-by: Mel Gorman <mgorman@suse.de>
Cc: Hillf Danton <dhillf@gmail.com>
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>
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