linux-kernel - Re: [PATCH 6/6] memcg: make mem_cgroup_page

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Message-Id: <20101116130028.b68272e2.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Tue, 16 Nov 2010 13:00:28 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Greg Thelen <gthelen@...gle.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Daisuke Nishimura <nishimura@....nes.nec.co.jp>,
	Johannes Weiner <hannes@...xchg.org>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Minchan Kim <minchan.kim@...il.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/6] memcg: make mem_cgroup_page_stat() return value
 unsigned

On Tue,  9 Nov 2010 01:24:31 -0800
Greg Thelen <gthelen@...gle.com> wrote:

> mem_cgroup_page_stat() used to return a negative page count
> value to indicate value.
> 
> mem_cgroup_page_stat() has changed so it never returns
> error so convert the return value to the traditional page
> count type (unsigned long).
> 
> Signed-off-by: Greg Thelen <gthelen@...gle.com>

Okay.

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

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