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Date: Tue, 16 Oct 2012 08:52:03 -0400
From: Rik van Riel <riel@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH] mm: compaction: Correct the
 nr_strict_isolated check for CMA
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To: Mel Gorman <mgorman@suse.de>
Cc: Richard Davies <richard@arachsys.com>, KVM <kvm@vger.kernel.org>, Arnd Bergmann <arnd@arndb.de>, QEMU-devel <qemu-devel@nongnu.org>, LKML <linux-kernel@vger.kernel.org>, Linux-MM <linux-mm@kvack.org>, Avi Kivity <avi@redhat.com>, Andrew Morton <akpm@linux-foundation.org>, Shaohua Li <shli@kernel.org>, Arm Kernel Mailing List <linux-arm-kernel@lists.infradead.org>

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@suse.de>
> Tested-by: Tony Prisk <linux@prisktech.co.nz>

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

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