linux-kernel - Re: [PATCH 2/7] memcg: remove MEMCG_NR_FILE

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Message-ID: <4FF17B86.6090202@jp.fujitsu.com>
Date:	Mon, 02 Jul 2012 19:44:22 +0900
From:	Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Sha Zhengju <handai.szj@...il.com>
CC:	linux-mm@...ck.org, cgroups@...r.kernel.org, gthelen@...gle.com,
	yinghan@...gle.com, akpm@...ux-foundation.org, mhocko@...e.cz,
	linux-kernel@...r.kernel.org, Sha Zhengju <handai.szj@...bao.com>
Subject: Re: [PATCH 2/7] memcg: remove MEMCG_NR_FILE_MAPPED

(2012/06/28 19:58), Sha Zhengju wrote:
> From: Sha Zhengju <handai.szj@...bao.com>
> 
> While accounting memcg page stat, it's not worth to use MEMCG_NR_FILE_MAPPED
> as an extra layer of indirection because of the complexity and presumed
> performance overhead. We can use MEM_CGROUP_STAT_FILE_MAPPED directly.
> 
> Signed-off-by: Sha Zhengju <handai.szj@...bao.com>

Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>


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