From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: Mel Gorman <mel@csn.ul.ie>
Cc: kosaki.motohiro@jp.fujitsu.com,
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>,
Rik van Riel <riel@redhat.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 09/11] Add /sys trigger for per-node memory compaction
Date: Wed, 17 Mar 2010 12:18:16 +0900 (JST) [thread overview]
Message-ID: <20100317121749.4CA3.A69D9226@jp.fujitsu.com> (raw)
In-Reply-To: <1268412087-13536-10-git-send-email-mel@csn.ul.ie>
> This patch adds a per-node sysfs file called compact. When the file is
> written to, each zone in that node is compacted. The intention that this
> would be used by something like a job scheduler in a batch system before
> a job starts so that the job can allocate the maximum number of
> hugepages without significant start-up cost.
>
> Signed-off-by: Mel Gorman <mel@csn.ul.ie>
> Acked-by: Rik van Riel <riel@redhat.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
WARNING: multiple messages have this Message-ID (diff)
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: Mel Gorman <mel@csn.ul.ie>
Cc: kosaki.motohiro@jp.fujitsu.com,
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>,
Rik van Riel <riel@redhat.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 09/11] Add /sys trigger for per-node memory compaction
Date: Wed, 17 Mar 2010 12:18:16 +0900 (JST) [thread overview]
Message-ID: <20100317121749.4CA3.A69D9226@jp.fujitsu.com> (raw)
In-Reply-To: <1268412087-13536-10-git-send-email-mel@csn.ul.ie>
> This patch adds a per-node sysfs file called compact. When the file is
> written to, each zone in that node is compacted. The intention that this
> would be used by something like a job scheduler in a batch system before
> a job starts so that the job can allocate the maximum number of
> hugepages without significant start-up cost.
>
> Signed-off-by: Mel Gorman <mel@csn.ul.ie>
> Acked-by: Rik van Riel <riel@redhat.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
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next prev parent reply other threads:[~2010-03-17 3:18 UTC|newest]
Thread overview: 220+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-12 16:41 [PATCH 0/11] Memory Compaction v4 Mel Gorman
2010-03-12 16:41 ` Mel Gorman
2010-03-12 16:41 ` [PATCH 01/11] mm,migration: Take a reference to the anon_vma before migrating Mel Gorman
2010-03-12 16:41 ` Mel Gorman
2010-03-14 15:01 ` Minchan Kim
2010-03-14 15:01 ` Minchan Kim
2010-03-15 5:06 ` KAMEZAWA Hiroyuki
2010-03-15 5:06 ` KAMEZAWA Hiroyuki
2010-03-17 1:44 ` KOSAKI Motohiro
2010-03-17 1:44 ` KOSAKI Motohiro
2010-03-17 11:45 ` Mel Gorman
2010-03-17 11:45 ` Mel Gorman
2010-03-17 16:38 ` Christoph Lameter
2010-03-17 16:38 ` Christoph Lameter
2010-03-18 11:12 ` Mel Gorman
2010-03-18 11:12 ` Mel Gorman
2010-03-18 16:31 ` Christoph Lameter
2010-03-18 16:31 ` Christoph Lameter
2010-03-12 16:41 ` [PATCH 02/11] mm,migration: Do not try to migrate unmapped anonymous pages Mel Gorman
2010-03-12 16:41 ` Mel Gorman
2010-03-15 0:28 ` Minchan Kim
2010-03-15 0:28 ` Minchan Kim
2010-03-15 5:34 ` KAMEZAWA Hiroyuki
2010-03-15 5:34 ` KAMEZAWA Hiroyuki
2010-03-15 6:28 ` Minchan Kim
2010-03-15 6:28 ` Minchan Kim
2010-03-15 6:44 ` KAMEZAWA Hiroyuki
2010-03-15 6:44 ` KAMEZAWA Hiroyuki
2010-03-15 7:09 ` KAMEZAWA Hiroyuki
2010-03-15 7:09 ` KAMEZAWA Hiroyuki
2010-03-15 13:48 ` Minchan Kim
2010-03-15 13:48 ` Minchan Kim
2010-03-15 7:11 ` Minchan Kim
2010-03-15 7:11 ` Minchan Kim
2010-03-15 11:28 ` Mel Gorman
2010-03-15 11:28 ` Mel Gorman
2010-03-15 12:48 ` Minchan Kim
2010-03-15 12:48 ` Minchan Kim
2010-03-15 14:21 ` Mel Gorman
2010-03-15 14:21 ` Mel Gorman
2010-03-15 14:33 ` Minchan Kim
2010-03-15 14:33 ` Minchan Kim
2010-03-15 23:49 ` KAMEZAWA Hiroyuki
2010-03-15 23:49 ` KAMEZAWA Hiroyuki
2010-03-17 2:12 ` KAMEZAWA Hiroyuki
2010-03-17 2:12 ` KAMEZAWA Hiroyuki
2010-03-17 3:00 ` Minchan Kim
2010-03-17 3:00 ` Minchan Kim
2010-03-17 3:15 ` KAMEZAWA Hiroyuki
2010-03-17 3:15 ` KAMEZAWA Hiroyuki
2010-03-17 4:15 ` Minchan Kim
2010-03-17 4:15 ` Minchan Kim
2010-03-17 4:19 ` KAMEZAWA Hiroyuki
2010-03-17 4:19 ` KAMEZAWA Hiroyuki
2010-03-17 16:41 ` Christoph Lameter
2010-03-17 16:41 ` Christoph Lameter
2010-03-18 0:30 ` KAMEZAWA Hiroyuki
2010-03-18 0:30 ` KAMEZAWA Hiroyuki
2010-03-17 12:07 ` Mel Gorman
2010-03-17 12:07 ` Mel Gorman
2010-03-17 2:03 ` KOSAKI Motohiro
2010-03-17 2:03 ` KOSAKI Motohiro
2010-03-17 11:51 ` Mel Gorman
2010-03-17 11:51 ` Mel Gorman
2010-03-18 0:48 ` KOSAKI Motohiro
2010-03-18 0:48 ` KOSAKI Motohiro
2010-03-18 11:14 ` Mel Gorman
2010-03-18 11:14 ` Mel Gorman
2010-03-19 6:21 ` KOSAKI Motohiro
2010-03-19 6:21 ` KOSAKI Motohiro
2010-03-19 8:59 ` Mel Gorman
2010-03-19 8:59 ` Mel Gorman
2010-03-25 2:49 ` KOSAKI Motohiro
2010-03-25 2:49 ` KOSAKI Motohiro
2010-03-25 8:32 ` Mel Gorman
2010-03-25 8:32 ` Mel Gorman
2010-03-25 8:56 ` KOSAKI Motohiro
2010-03-25 8:56 ` KOSAKI Motohiro
2010-03-25 9:18 ` Mel Gorman
2010-03-25 9:18 ` Mel Gorman
2010-03-25 9:02 ` KAMEZAWA Hiroyuki
2010-03-25 9:02 ` KAMEZAWA Hiroyuki
2010-03-25 9:09 ` KOSAKI Motohiro
2010-03-25 9:09 ` KOSAKI Motohiro
2010-03-25 9:08 ` KAMEZAWA Hiroyuki
2010-03-25 9:08 ` KAMEZAWA Hiroyuki
2010-03-25 9:21 ` Mel Gorman
2010-03-25 9:21 ` Mel Gorman
2010-03-25 9:41 ` KAMEZAWA Hiroyuki
2010-03-25 9:41 ` KAMEZAWA Hiroyuki
2010-03-25 9:59 ` KOSAKI Motohiro
2010-03-25 9:59 ` KOSAKI Motohiro
2010-03-25 10:12 ` KAMEZAWA Hiroyuki
2010-03-25 10:12 ` KAMEZAWA Hiroyuki
2010-03-25 13:39 ` Mel Gorman
2010-03-25 13:39 ` Mel Gorman
2010-03-26 3:07 ` KOSAKI Motohiro
2010-03-26 3:07 ` KOSAKI Motohiro
2010-03-26 13:49 ` Mel Gorman
2010-03-26 13:49 ` Mel Gorman
2010-03-25 15:29 ` Minchan Kim
2010-03-25 15:29 ` Minchan Kim
2010-03-26 0:58 ` KAMEZAWA Hiroyuki
2010-03-26 0:58 ` KAMEZAWA Hiroyuki
2010-03-26 1:39 ` Minchan Kim
2010-03-26 1:39 ` Minchan Kim
2010-03-25 14:35 ` Christoph Lameter
2010-03-25 14:35 ` Christoph Lameter
2010-03-25 16:16 ` Minchan Kim
2010-03-25 16:16 ` Minchan Kim
2010-03-12 16:41 ` [PATCH 03/11] mm: Share the anon_vma ref counts between KSM and page migration Mel Gorman
2010-03-12 16:41 ` Mel Gorman
2010-03-12 17:14 ` Rik van Riel
2010-03-12 17:14 ` Rik van Riel
2010-03-15 5:35 ` KAMEZAWA Hiroyuki
2010-03-15 5:35 ` KAMEZAWA Hiroyuki
2010-03-17 2:06 ` KOSAKI Motohiro
2010-03-17 2:06 ` KOSAKI Motohiro
2010-03-12 16:41 ` [PATCH 04/11] Allow CONFIG_MIGRATION to be set without CONFIG_NUMA or memory hot-remove Mel Gorman
2010-03-12 16:41 ` Mel Gorman
2010-03-17 2:28 ` KOSAKI Motohiro
2010-03-17 2:28 ` KOSAKI Motohiro
2010-03-17 11:32 ` Mel Gorman
2010-03-17 11:32 ` Mel Gorman
2010-03-17 16:37 ` Christoph Lameter
2010-03-17 16:37 ` Christoph Lameter
2010-03-17 23:56 ` KOSAKI Motohiro
2010-03-17 23:56 ` KOSAKI Motohiro
2010-03-18 11:24 ` Mel Gorman
2010-03-18 11:24 ` Mel Gorman
2010-03-19 6:21 ` KOSAKI Motohiro
2010-03-19 6:21 ` KOSAKI Motohiro
2010-03-19 10:16 ` Mel Gorman
2010-03-19 10:16 ` Mel Gorman
2010-03-25 3:28 ` KOSAKI Motohiro
2010-03-25 3:28 ` KOSAKI Motohiro
2010-03-12 16:41 ` [PATCH 05/11] Export unusable free space index via /proc/unusable_index Mel Gorman
2010-03-12 16:41 ` Mel Gorman
2010-03-15 5:41 ` KAMEZAWA Hiroyuki
2010-03-15 5:41 ` KAMEZAWA Hiroyuki
2010-03-15 9:48 ` Mel Gorman
2010-03-15 9:48 ` Mel Gorman
2010-03-17 2:42 ` KOSAKI Motohiro
2010-03-17 2:42 ` KOSAKI Motohiro
2010-03-12 16:41 ` [PATCH 06/11] Export fragmentation index via /proc/extfrag_index Mel Gorman
2010-03-12 16:41 ` Mel Gorman
2010-03-17 2:49 ` KOSAKI Motohiro
2010-03-17 2:49 ` KOSAKI Motohiro
2010-03-17 11:33 ` Mel Gorman
2010-03-17 11:33 ` Mel Gorman
2010-03-23 0:22 ` KOSAKI Motohiro
2010-03-23 0:22 ` KOSAKI Motohiro
2010-03-23 12:03 ` Mel Gorman
2010-03-23 12:03 ` Mel Gorman
2010-03-25 2:47 ` KOSAKI Motohiro
2010-03-25 2:47 ` KOSAKI Motohiro
2010-03-25 8:47 ` Mel Gorman
2010-03-25 8:47 ` Mel Gorman
2010-03-25 11:20 ` KOSAKI Motohiro
2010-03-25 11:20 ` KOSAKI Motohiro
2010-03-25 14:11 ` Mel Gorman
2010-03-25 14:11 ` Mel Gorman
2010-03-26 3:10 ` KOSAKI Motohiro
2010-03-26 3:10 ` KOSAKI Motohiro
2010-03-12 16:41 ` [PATCH 07/11] Memory compaction core Mel Gorman
2010-03-12 16:41 ` Mel Gorman
2010-03-15 13:44 ` Minchan Kim
2010-03-15 13:44 ` Minchan Kim
2010-03-15 14:41 ` Mel Gorman
2010-03-15 14:41 ` Mel Gorman
2010-03-17 10:31 ` KOSAKI Motohiro
2010-03-17 10:31 ` KOSAKI Motohiro
2010-03-17 11:40 ` Mel Gorman
2010-03-17 11:40 ` Mel Gorman
2010-03-18 2:35 ` KOSAKI Motohiro
2010-03-18 2:35 ` KOSAKI Motohiro
2010-03-18 11:43 ` Mel Gorman
2010-03-18 11:43 ` Mel Gorman
2010-03-19 6:21 ` KOSAKI Motohiro
2010-03-19 6:21 ` KOSAKI Motohiro
2010-03-18 17:08 ` Mel Gorman
2010-03-18 17:08 ` Mel Gorman
2010-03-12 16:41 ` [PATCH 08/11] Add /proc trigger for memory compaction Mel Gorman
2010-03-12 16:41 ` Mel Gorman
2010-03-17 3:18 ` KOSAKI Motohiro
2010-03-17 3:18 ` KOSAKI Motohiro
2010-03-12 16:41 ` [PATCH 09/11] Add /sys trigger for per-node " Mel Gorman
2010-03-12 16:41 ` Mel Gorman
2010-03-17 3:18 ` KOSAKI Motohiro [this message]
2010-03-17 3:18 ` KOSAKI Motohiro
2010-03-12 16:41 ` [PATCH 10/11] Direct compact when a high-order allocation fails Mel Gorman
2010-03-12 16:41 ` Mel Gorman
2010-03-16 2:47 ` Minchan Kim
2010-03-16 2:47 ` Minchan Kim
2010-03-19 6:21 ` KOSAKI Motohiro
2010-03-19 6:21 ` KOSAKI Motohiro
2010-03-19 6:31 ` KOSAKI Motohiro
2010-03-19 6:31 ` KOSAKI Motohiro
2010-03-19 10:10 ` Mel Gorman
2010-03-19 10:10 ` Mel Gorman
2010-03-25 11:22 ` KOSAKI Motohiro
2010-03-25 11:22 ` KOSAKI Motohiro
2010-03-19 10:09 ` Mel Gorman
2010-03-19 10:09 ` Mel Gorman
2010-03-25 11:08 ` KOSAKI Motohiro
2010-03-25 11:08 ` KOSAKI Motohiro
2010-03-25 15:11 ` Mel Gorman
2010-03-25 15:11 ` Mel Gorman
2010-03-26 6:01 ` KOSAKI Motohiro
2010-03-26 6:01 ` KOSAKI Motohiro
2010-03-12 16:41 ` [PATCH 11/11] Do not compact within a preferred zone after a compaction failure Mel Gorman
2010-03-12 16:41 ` Mel Gorman
2010-03-23 12:25 [PATCH 0/11] Memory Compaction v5 Mel Gorman
2010-03-23 12:25 ` [PATCH 09/11] Add /sys trigger for per-node memory compaction Mel Gorman
2010-03-23 12:25 ` Mel Gorman
2010-03-23 18:27 ` Christoph Lameter
2010-03-23 18:27 ` Christoph Lameter
2010-03-23 22:45 ` Minchan Kim
2010-03-23 22:45 ` Minchan Kim
2010-03-24 0:19 ` KAMEZAWA Hiroyuki
2010-03-24 0:19 ` KAMEZAWA Hiroyuki
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