linux-kernel - Re: [PATCH V3 5/8] memcg: add per cgroup writeback pages accounting

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Message-ID: <50DCED47.6030103@jp.fujitsu.com>
Date:	Fri, 28 Dec 2012 09:52:23 +0900
From:	Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Sha Zhengju <handai.szj@...il.com>
CC:	linux-kernel@...r.kernel.org, cgroups@...r.kernel.org,
	linux-mm@...ck.org, mhocko@...e.cz, akpm@...ux-foundation.org,
	gthelen@...gle.com, fengguang.wu@...el.com, glommer@...allels.com,
	Sha Zhengju <handai.szj@...bao.com>
Subject: Re: [PATCH V3 5/8] memcg: add per cgroup writeback pages accounting

(2012/12/26 2:26), Sha Zhengju wrote:
> From: Sha Zhengju <handai.szj@...bao.com>
> 
> Similar to dirty page, we add per cgroup writeback pages accounting. The lock
> rule still is:
>          mem_cgroup_begin_update_page_stat()
>          modify page WRITEBACK stat
>          mem_cgroup_update_page_stat()
>          mem_cgroup_end_update_page_stat()
> 
> There're two writeback interface to modify: test_clear/set_page_writeback.
> 
> Signed-off-by: Sha Zhengju <handai.szj@...bao.com>

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


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