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Message-Id: <20081125121842.26C5.KOSAKI.MOTOHIRO@jp.fujitsu.com> Date: Tue, 25 Nov 2008 12:22:53 +0900 (JST) From: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> To: Rik van Riel <riel@...hat.com>, LKML <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>, Andrew Morton <akpm@...ux-foundation.org> Cc: kosaki.motohiro@...fujitsu.com Subject: [PATCH] memcg reclaim shouldn't change zone->recent_rotated statics. Hi this is a trivial bugfix. I think this is not serious bug. but if memcgroup reclaim change zone statics, global reclaim can confusion a bit. ================================================ memcg reclaim shouldn't change zone->recent_rotated statics. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> CC: Rik van Riel <riel@...hat.com> --- mm/vmscan.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) Index: b/mm/vmscan.c =================================================================== --- a/mm/vmscan.c 2008-11-24 06:20:24.000000000 +0900 +++ b/mm/vmscan.c 2008-11-25 01:29:16.000000000 +0900 @@ -1254,7 +1254,8 @@ static void shrink_active_list(unsigned * This helps balance scan pressure between file and anonymous * pages in get_scan_ratio. */ - zone->recent_rotated[!!file] += pgmoved; + if (scan_global_lru(sc)) + zone->recent_rotated[!!file] += pgmoved; /* * Move the pages to the [file or anon] inactive list. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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