linux-kernel - Re: [RFC][PATCH 2/4] memcg: fix error path of mem_cgroup_move

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Date:	Fri, 9 Jan 2009 11:31:09 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	Daisuke Nishimura <nishimura@....nes.nec.co.jp>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	kamezawa.hiroyu@...fujitsu.com, lizf@...fujitsu.com,
	menage@...gle.com
Subject: Re: [RFC][PATCH 2/4] memcg: fix error path of
	mem_cgroup_move_parent

* Daisuke Nishimura <nishimura@....nes.nec.co.jp> [2009-01-09 14:33:46]:

> > Looks good to me, just out of curiousity how did you catch this error?
> > Through review or testing? 
> > 
> Through testing.
> 
> I got "an unremovable directory" sometimes, which had res.usage remained
> even after all lru lists had become empty, or which had ref counts remained
> even after res.usage had become 0.
> And tracked down the cause of this problem .
>

Thanks,

Acked-by: Balbir Singh <balbir@...ux.vnet.ibm.com> 

-- 
	Balbir
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