linux-kernel - Re: [PATCH 5/6] memcg: simplify mem_cgroup_dirty

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Date:	Wed, 10 Nov 2010 10:01:14 +0900
From:	Minchan Kim <minchan.kim@...il.com>
To:	Greg Thelen <gthelen@...gle.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Daisuke Nishimura <nishimura@....nes.nec.co.jp>,
	Johannes Weiner <hannes@...xchg.org>,
	Wu Fengguang <fengguang.wu@...el.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/6] memcg: simplify mem_cgroup_dirty_info()

On Tue, Nov 9, 2010 at 6:24 PM, Greg Thelen <gthelen@...gle.com> wrote:
> Because mem_cgroup_page_stat() no longer returns negative numbers

I tried to understand why mem_cgroup_page_stat doesn't return negative
number any more for a while.
I couldn't find answer by current patches 5/6.
The answer is where 6/6.
It would be better to change 6/6 with 5/6.


> to indicate failure, mem_cgroup_dirty_info() does not need to check
> for such failures.
>
> Signed-off-by: Greg Thelen <gthelen@...gle.com>
Reviewed-by: Minchan Kim <minchan.kim@...il.com>

-- 
Kind regards,
Minchan Kim
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