linux-kernel - Re: [PATCH] mm: compaction: Correct the nr_strict

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Message-ID: <507D5873.6010106@redhat.com>
Date:	Tue, 16 Oct 2012 08:52:03 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Mel Gorman <mgorman@...e.de>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Richard Davies <richard@...chsys.com>,
	Shaohua Li <shli@...nel.org>, Avi Kivity <avi@...hat.com>,
	Arnd Bergmann <arnd@...db.de>,
	QEMU-devel <qemu-devel@...gnu.org>, KVM <kvm@...r.kernel.org>,
	Linux-MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Arm Kernel Mailing List 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] mm: compaction: Correct the nr_strict_isolated check
 for CMA

On 10/16/2012 04:39 AM, Mel Gorman wrote:
> Thierry reported that the "iron out" patch for isolate_freepages_block()
> had problems due to the strict check being too strict with "mm: compaction:
> Iron out isolate_freepages_block() and isolate_freepages_range() -fix1".
> It's possible that more pages than necessary are isolated but the check
> still fails and I missed that this fix was not picked up before RC1. This
> same problem has been identified in 3.7-RC1 by Tony Prisk and should be
> addressed by the following patch.
>
> Signed-off-by: Mel Gorman <mgorman@...e.de>
> Tested-by: Tony Prisk <linux@...sktech.co.nz>

Acked-by: Rik van Riel <riel@...hat.com>

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