linux-kernel - Re: [PATCH 6/7] memcg: add per cgroup writeback pages accounting

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Message-ID: <20120709052549.GA11126@localhost>
Date:	Mon, 9 Jul 2012 13:25:49 +0800
From:	Fengguang Wu <fengguang.wu@...el.com>
To:	Sha Zhengju <handai.szj@...il.com>
Cc:	linux-mm@...ck.org, cgroups@...r.kernel.org,
	kamezawa.hiroyu@...fujitsu.com, 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 6/7] memcg: add per cgroup writeback pages accounting

> >>>Where is the MEM_CGROUP_STAT_FILE_WRITEBACK increased?
> >>>
> >>It's in account_page_writeback().
> >>
> >>  void account_page_writeback(struct page *page)
> >>  {
> >>+	mem_cgroup_inc_page_stat(page, MEM_CGROUP_STAT_FILE_WRITEBACK);
> >>  	inc_zone_page_state(page, NR_WRITEBACK);
> >>  }
> >I didn't find that chunk, perhaps it's lost due to rebase..
> 
> Ah? a bit weird... you can refer to the link
> http://thread.gmane.org/gmane.linux.kernel.cgroups/3134
> which is an integral one. Thanks!

Ah I got it. Sorry I overlooked it..and the new view does help make it
obvious ;)

Thanks,
Fengguang
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