linux-kernel - Re: [PATCH][mmotm] don't attempt to reclaim anon page in lumpy reclaim when no swap space is available

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Message-ID: <4A4F5D4F.5000104@redhat.com>
Date:	Sat, 04 Jul 2009 09:46:55 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Minchan Kim <minchan.kim@...il.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux MM <linux-mm@...ck.org>, Mel Gorman <mel@....ul.ie>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [PATCH][mmotm] don't attempt to reclaim anon page in lumpy reclaim
 when no swap space is available

Minchan Kim wrote:

> VM already avoids attempting to reclaim anon pages in various places, But
> it doesn't avoid it for lumpy reclaim.
> 
> It shuffles lru list unnecessary so that it is pointless.
> 
> Signed-off-by: Minchan Kim <minchan.kim@...il.com>
> Cc: Mel Gorman <mel@....ul.ie>
> Cc: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
> Cc: Rik van Riel <riel@...hat.com>
> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>

Reviewed-by: Rik van Riel <riel@...hat.com>

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