From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx102.postini.com [74.125.245.102]) by kanga.kvack.org (Postfix) with SMTP id 29BEB6B004D for ; Wed, 2 May 2012 16:04:11 -0400 (EDT) Message-ID: <4FA19339.7000808@redhat.com> Date: Wed, 02 May 2012 16:04:09 -0400 From: Rik van Riel MIME-Version: 1.0 Subject: Re: [PATCH v5] mm: compaction: handle incorrect MIGRATE_UNMOVABLE type pageblocks References: <201205021047.45188.b.zolnierkie@samsung.com> In-Reply-To: <201205021047.45188.b.zolnierkie@samsung.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Bartlomiej Zolnierkiewicz Cc: linux-mm@kvack.org, Mel Gorman , Minchan Kim , Marek Szyprowski , Kyungmin Park On 05/02/2012 04:47 AM, Bartlomiej Zolnierkiewicz wrote: > From: Bartlomiej Zolnierkiewicz > 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 > Cc: Minchan Kim > Cc: Rik van Riel > Cc: Marek Szyprowski > Signed-off-by: Bartlomiej Zolnierkiewicz > Signed-off-by: Kyungmin Park Acked-by: Rik van Riel -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org