linux-kernel - Re: [PATCH] memcg: fix oops in oom handling

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Message-ID: <480321D9.7020507@cn.fujitsu.com>
Date:	Mon, 14 Apr 2008 17:20:25 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Paul Menage <menage@...gle.com>
CC:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Pavel Emelianov <xemul@...nvz.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: [PATCH] memcg: fix oops in oom handling

Li Zefan wrote:
> Paul Menage wrote:
>> On Mon, Apr 14, 2008 at 12:14 AM, KAMEZAWA Hiroyuki
>> <kamezawa.hiroyu@...fujitsu.com> wrote:
>>>  Paul, I have one confirmation. Lock hierarchy of
>>>         cgroup_lock()
>>>         ->      read_lock(&tasklist_lock)
>>>
>>>  is ok ? (I think this is ok.)
>> Should be fine, I think.
>>
>> Have you built/booted with lockdep?
>>
> 
> I should have done this. :(
> 
> I'll check it.
> 

I've done the test, and nothing is broken ;)

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