linux-kernel - Re: [PATCH] mm: compaction: Abort compaction if too many pages are isolated and caller is asynchronous

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Message-ID: <20110601092447.GA7306@suse.de>
Date:	Wed, 1 Jun 2011 10:24:47 +0100
From:	Mel Gorman <mgorman@...e.de>
To:	Andrea Arcangeli <aarcange@...hat.com>
Cc:	Minchan Kim <minchan.kim@...il.com>, akpm@...ux-foundation.org,
	Ury Stankevich <urykhy@...il.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org, stable@...nel.org
Subject: Re: [PATCH] mm: compaction: Abort compaction if too many pages are
 isolated and caller is asynchronous

On Wed, Jun 01, 2011 at 01:57:47AM +0100, Mel Gorman wrote:
> It's almost 2am so I'm wiped but the first thing in the morning
> I want to check is if http://lkml.org/lkml/2010/8/26/32 is
> relevant.

It's not. The patch I really meant was
https://lkml.org/lkml/2011/5/28/155 and it's irrelevant to 2.6.38.4
which is already doing the right thing of rechecking page->mapping under
lock.

-- 
Mel Gorman
SUSE Labs
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