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Subject: Re: [PATCH] mm, lockdep: annotate reclaim context to zone reclaim too
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: LKML <linux-kernel@vger.kernel.org>, linux-mm <linux-mm@kvack.org>,
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2010/1/2 Peter Zijlstra <peterz@infradead.org>:
> On Sat, 2010-01-02 at 22:29 +0900, KOSAKI Motohiro wrote:
>
>> When recursive annotation occur?
>
> Dunno, I told you you'd have to make sure it doesn't.

Please see PF_MEMALLOC turning on/off operation points. all
PF_MEMALLOC turing on point prevent recersive already.
(because, otherwise we lost PF_MEMALLOC and makes deadlock...)