linux-kernel - Re: [PATCH 02/24] migrate: page could be locked by hwpoison, dont BUG()

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Date:	Wed, 2 Dec 2009 14:09:04 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Wu Fengguang <fengguang.wu@...el.com>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Nick Piggin <npiggin@...e.de>,
	Christoph Lameter <cl@...ux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	linux-mm@...ck.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 02/24] migrate: page could be locked by hwpoison, dont BUG()

On Wed, Dec 02, 2009 at 11:12:33AM +0800, Wu Fengguang wrote:
> The new page could be taken by hwpoison, in which case
> return EAGAIN to allocate a new page and retry.

Previously there were some complaints about this patch, but I guess
it doesn't hurt, so I'll add it.

-Andi
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