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

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Message-ID: <6599ad830804140053y4bcdceeatc9763c1e8c1aaf44@mail.gmail.com>
Date:	Mon, 14 Apr 2008 00:53:41 -0700
From:	"Paul Menage" <menage@...gle.com>
To:	"KAMEZAWA Hiroyuki" <kamezawa.hiroyu@...fujitsu.com>
Cc:	"Li Zefan" <lizf@...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

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?

Paul
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