From: Minchan Kim <minchan.kim@gmail.com>
To: Mel Gorman <mel@csn.ul.ie>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Andrea Arcangeli <aarcange@redhat.com>,
Christoph Lameter <cl@linux-foundation.org>,
Adam Litke <agl@us.ibm.com>, Avi Kivity <avi@redhat.com>,
David Rientjes <rientjes@google.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Rik van Riel <riel@redhat.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 14/14] mm,migration: Allow the migration of PageSwapCache pages
Date: Wed, 7 Apr 2010 00:37:50 +0900 [thread overview]
Message-ID: <s2m28c262361004060837za9d8d7deo7eed2ffe720a3f17@mail.gmail.com> (raw)
In-Reply-To: <1270224168-14775-15-git-send-email-mel@csn.ul.ie>
On Sat, Apr 3, 2010 at 1:02 AM, Mel Gorman <mel@csn.ul.ie> wrote:
> PageAnon pages that are unmapped may or may not have an anon_vma so are
> not currently migrated. However, a swap cache page can be migrated and
> fits this description. This patch identifies page swap caches and allows
> them to be migrated but ensures that no attempt to made to remap the pages
> would would potentially try to access an already freed anon_vma.
>
> Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Thanks for your effort, Mel.
--
Kind regards,
Minchan Kim
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next prev parent reply other threads:[~2010-04-06 15:37 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-02 16:02 [PATCH 0/14] Memory Compaction v7 Mel Gorman
2010-04-02 16:02 ` [PATCH 01/14] mm,migration: Take a reference to the anon_vma before migrating Mel Gorman
2010-04-07 0:05 ` Andrew Morton
2010-04-07 9:56 ` Mel Gorman
2010-04-02 16:02 ` [PATCH 02/14] mm,migration: Do not try to migrate unmapped anonymous pages Mel Gorman
2010-04-02 16:02 ` [PATCH 03/14] mm: Share the anon_vma ref counts between KSM and page migration Mel Gorman
2010-04-07 0:05 ` Andrew Morton
2010-04-07 0:10 ` Rik van Riel
2010-04-07 10:01 ` Mel Gorman
2010-04-02 16:02 ` [PATCH 04/14] Allow CONFIG_MIGRATION to be set without CONFIG_NUMA or memory hot-remove Mel Gorman
2010-04-07 0:05 ` Andrew Morton
2010-04-07 10:22 ` Mel Gorman
2010-04-02 16:02 ` [PATCH 05/14] Export unusable free space index via /proc/unusable_index Mel Gorman
2010-04-07 0:05 ` Andrew Morton
2010-04-07 10:35 ` Mel Gorman
2010-04-13 12:42 ` Mel Gorman
2010-04-02 16:02 ` [PATCH 06/14] Export fragmentation index via /proc/extfrag_index Mel Gorman
2010-04-07 0:05 ` Andrew Morton
2010-04-07 10:46 ` Mel Gorman
2010-04-13 12:43 ` Mel Gorman
2010-04-02 16:02 ` [PATCH 07/14] Move definition for LRU isolation modes to a header Mel Gorman
2010-04-02 16:02 ` [PATCH 08/14] Memory compaction core Mel Gorman
2010-04-07 0:05 ` Andrew Morton
2010-04-07 15:21 ` Mel Gorman
2010-04-08 16:59 ` Mel Gorman
2010-04-08 17:06 ` Andrea Arcangeli
2010-04-02 16:02 ` [PATCH 09/14] Add /proc trigger for memory compaction Mel Gorman
2010-04-07 0:05 ` Andrew Morton
2010-04-07 15:39 ` Mel Gorman
2010-04-07 18:27 ` Mel Gorman
2010-04-02 16:02 ` [PATCH 10/14] Add /sys trigger for per-node " Mel Gorman
2010-04-07 0:05 ` Andrew Morton
2010-04-07 0:31 ` KAMEZAWA Hiroyuki
2010-04-06 21:56 ` Andrew Morton
2010-04-07 1:19 ` KAMEZAWA Hiroyuki
2010-04-07 15:42 ` Mel Gorman
2010-04-02 16:02 ` [PATCH 11/14] Direct compact when a high-order allocation fails Mel Gorman
2010-04-07 0:06 ` Andrew Morton
2010-04-07 16:06 ` Mel Gorman
2010-04-07 18:29 ` Mel Gorman
2010-04-02 16:02 ` [PATCH 12/14] Add a tunable that decides when memory should be compacted and when it should be reclaimed Mel Gorman
2010-04-07 0:06 ` Andrew Morton
2010-04-07 16:11 ` Mel Gorman
2010-04-02 16:02 ` [PATCH 13/14] Do not compact within a preferred zone after a compaction failure Mel Gorman
2010-04-07 0:06 ` Andrew Morton
2010-04-07 0:55 ` Andrea Arcangeli
2010-04-07 16:32 ` Mel Gorman
2010-04-02 16:02 ` [PATCH 14/14] mm,migration: Allow the migration of PageSwapCache pages Mel Gorman
2010-04-06 6:54 ` KAMEZAWA Hiroyuki
2010-04-06 15:37 ` Minchan Kim [this message]
2010-04-07 0:06 ` Andrew Morton
2010-04-07 16:49 ` Mel Gorman
2010-04-06 14:47 ` [PATCH 0/14] Memory Compaction v7 Tarkan Erimer
2010-04-06 15:00 ` Mel Gorman
2010-04-06 15:03 ` Tarkan Erimer
-- strict thread matches above, loose matches on Subject: below --
2010-03-30 9:14 [PATCH 0/14] Memory Compaction v6 Mel Gorman
2010-03-30 9:14 ` [PATCH 14/14] mm,migration: Allow the migration of PageSwapCache pages Mel Gorman
2010-03-31 5:26 ` KAMEZAWA Hiroyuki
2010-03-31 11:27 ` Mel Gorman
2010-03-31 23:57 ` KAMEZAWA Hiroyuki
2010-04-01 2:39 ` Minchan Kim
2010-04-01 2:43 ` Minchan Kim
2010-04-01 3:01 ` KAMEZAWA Hiroyuki
2010-04-01 4:44 ` Minchan Kim
2010-04-01 5:42 ` KAMEZAWA Hiroyuki
2010-04-01 10:51 ` Minchan Kim
2010-04-01 17:36 ` Mel Gorman
2010-04-02 0:20 ` Minchan Kim
2010-04-02 8:51 ` Mel Gorman
2010-04-02 0:21 ` KAMEZAWA Hiroyuki
2010-04-02 8:52 ` Mel Gorman
2010-04-01 9:30 ` Mel Gorman
2010-04-01 10:42 ` Minchan Kim
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