linux-kernel - Re: [PATCH 10/18] mm: numa: Avoid unnecessary disruption of NUMA hinting during migration

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Message-ID: <52A5EB7B.503@redhat.com>
Date:	Mon, 09 Dec 2013 11:10:35 -0500
From:	Rik van Riel <riel@...hat.com>
To:	Mel Gorman <mgorman@...e.de>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Alex Thorlton <athorlton@....com>,
	Linux-MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 10/18] mm: numa: Avoid unnecessary disruption of NUMA
 hinting during migration

On 12/09/2013 02:09 AM, Mel Gorman wrote:
> do_huge_pmd_numa_page() handles the case where there is parallel THP
> migration.  However, by the time it is checked the NUMA hinting information
> has already been disrupted. This patch adds an earlier check with some helpers.
> 
> Cc: stable@...r.kernel.org
> Signed-off-by: Mel Gorman <mgorman@...e.de>

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


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