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authorDavid Rientjes <rientjes@google.com>2014-04-07 15:37:34 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-07 16:35:55 -0700
commitda1c67a76f7cf2b3404823d24f9f10fa91aa5dc5 (patch)
tree573c8ad7aeeb67e0e368510b95ef1d660adec1d3 /mm/mempool.c
parent539a13b47e462d28c48f076c63871580f694a366 (diff)
downloadlinux-da1c67a76f7cf2b3404823d24f9f10fa91aa5dc5.tar.gz
mm, compaction: determine isolation mode only once
The conditions that control the isolation mode in isolate_migratepages_range() do not change during the iteration, so extract them out and only define the value once. This actually does have an effect, gcc doesn't optimize it itself because of cc->sync. Signed-off-by: David Rientjes <rientjes@google.com> Cc: Mel Gorman <mgorman@suse.de> Acked-by: Rik van Riel <riel@redhat.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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