From: Rik van Riel <riel@redhat.com>
To: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: linux-mm@kvack.org, Mel Gorman <mgorman@suse.de>,
Minchan Kim <minchan@kernel.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>
Subject: Re: [PATCH v5] mm: compaction: handle incorrect MIGRATE_UNMOVABLE type pageblocks
Date: Wed, 02 May 2012 16:04:09 -0400 [thread overview]
Message-ID: <4FA19339.7000808@redhat.com> (raw)
In-Reply-To: <201205021047.45188.b.zolnierkie@samsung.com>
On 05/02/2012 04:47 AM, Bartlomiej Zolnierkiewicz wrote:
> From: Bartlomiej Zolnierkiewicz<b.zolnierkie@samsung.com>
> Subject: [PATCH v5] mm: compaction: handle incorrect MIGRATE_UNMOVABLE type pageblocks
>
> When MIGRATE_UNMOVABLE pages are freed from MIGRATE_UNMOVABLE
> type pageblock (and some MIGRATE_MOVABLE pages are left in it)
> waiting until an allocation takes ownership of the block may
> take too long. The type of the pageblock remains unchanged
> so the pageblock cannot be used as a migration target during
> compaction.
>
> Fix it by:
> Cc: Mel Gorman<mgorman@suse.de>
> Cc: Minchan Kim<minchan@kernel.org>
> Cc: Rik van Riel<riel@redhat.com>
> Cc: Marek Szyprowski<m.szyprowski@samsung.com>
> Signed-off-by: Bartlomiej Zolnierkiewicz<b.zolnierkie@samsung.com>
> Signed-off-by: Kyungmin Park<kyungmin.park@samsung.com>
Acked-by: Rik van Riel <riel@redhat.com>
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next prev parent reply other threads:[~2012-05-02 20:04 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-02 8:47 [PATCH v5] mm: compaction: handle incorrect MIGRATE_UNMOVABLE type pageblocks Bartlomiej Zolnierkiewicz
2012-05-02 20:04 ` Rik van Riel [this message]
2012-05-03 0:46 ` Minchan Kim
2012-05-04 8:58 ` Bartlomiej Zolnierkiewicz
2012-05-04 10:17 ` Minchan Kim
2012-05-04 11:03 ` Mel Gorman
2012-05-04 12:40 ` Bartlomiej Zolnierkiewicz
2012-05-04 13:07 ` Mel Gorman
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