linux-kernel - Re: [PATCH v6 2/3] memcg: move memcg reclaimable page into tail of inactive list

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Date:	Mon, 21 Feb 2011 17:06:59 +0100
From:	Johannes Weiner <hannes@...xchg.org>
To:	Minchan Kim <minchan.kim@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-mm <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Steven Barrett <damentz@...uorix.net>,
	Ben Gamari <bgamari.foss@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Rik van Riel <riel@...hat.com>, Mel Gorman <mel@....ul.ie>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Nick Piggin <npiggin@...nel.dk>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [PATCH v6 2/3] memcg: move memcg reclaimable page into tail of
 inactive list

On Tue, Feb 22, 2011 at 12:59:25AM +0900, Minchan Kim wrote:
> Fixed version.
> 
> >From be7d31f6e539bbad1ebedf52c6a51a4a80f7976a Mon Sep 17 00:00:00 2001
> From: Minchan Kim <minchan.kim@...il.com>
> Date: Tue, 22 Feb 2011 00:53:05 +0900
> Subject: [PATCH v7 2/3] memcg: move memcg reclaimable page into tail of inactive list
> 
> The rotate_reclaimable_page function moves just written out
> pages, which the VM wanted to reclaim, to the end of the
> inactive list.  That way the VM will find those pages first
> next time it needs to free memory.
> This patch apply the rule in memcg.
> It can help to prevent unnecessary working page eviction of memcg.
> 
> Acked-by: Balbir Singh <balbir@...ux.vnet.ibm.com>
> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
> Reviewed-by: Rik van Riel <riel@...hat.com>
> Cc: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
> Cc: Johannes Weiner <hannes@...xchg.org>
> Signed-off-by: Minchan Kim <minchan.kim@...il.com>

Reviewed-by: Johannes Weiner <hannes@...xchg.org>
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