From: Rik van Riel <riel@redhat.com>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
"Rafael J. Wysocki" <rjw@sisk.pl>, linux-mm <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Lameter <cl@linux-foundation.org>,
Mel Gorman <mel@csn.ul.ie>
Subject: Re: [PATCHv2 3/5] vmscan: Stop zone_reclaim()'s wrong swap_cluster_max usage
Date: Sun, 01 Nov 2009 12:51:34 -0500 [thread overview]
Message-ID: <4AEDCAA6.8050301@redhat.com> (raw)
In-Reply-To: <20091102000951.F407.A69D9226@jp.fujitsu.com>
On 11/01/2009 10:11 AM, KOSAKI Motohiro wrote:
> In old days, we didn't have sc.nr_to_reclaim and it brought
> sc.swap_cluster_max misuse.
>
> huge sc.swap_cluster_max might makes unnecessary OOM and
> no performance benefit.
>
> Now, we can remove above dangerous one.
>
> Signed-off-by: KOSAKI Motohiro<kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
--
All rights reversed.
WARNING: multiple messages have this Message-ID (diff)
From: Rik van Riel <riel@redhat.com>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
"Rafael J. Wysocki" <rjw@sisk.pl>, linux-mm <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Lameter <cl@linux-foundation.org>,
Mel Gorman <mel@csn.ul.ie>
Subject: Re: [PATCHv2 3/5] vmscan: Stop zone_reclaim()'s wrong swap_cluster_max usage
Date: Sun, 01 Nov 2009 12:51:34 -0500 [thread overview]
Message-ID: <4AEDCAA6.8050301@redhat.com> (raw)
In-Reply-To: <20091102000951.F407.A69D9226@jp.fujitsu.com>
On 11/01/2009 10:11 AM, KOSAKI Motohiro wrote:
> In old days, we didn't have sc.nr_to_reclaim and it brought
> sc.swap_cluster_max misuse.
>
> huge sc.swap_cluster_max might makes unnecessary OOM and
> no performance benefit.
>
> Now, we can remove above dangerous one.
>
> Signed-off-by: KOSAKI Motohiro<kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
--
All rights reversed.
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next prev parent reply other threads:[~2009-11-01 17:52 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-01 15:08 [PATCHv2 1/5] vmscan: separate sc.swap_cluster_max and sc.nr_max_reclaim KOSAKI Motohiro
2009-11-01 15:08 ` KOSAKI Motohiro
2009-11-01 15:09 ` [PATCHv2 2/5] vmscan: Kill hibernation specific reclaim logic and unify it KOSAKI Motohiro
2009-11-01 15:09 ` KOSAKI Motohiro
2009-11-01 15:12 ` Rik van Riel
2009-11-01 15:12 ` Rik van Riel
2009-11-01 21:38 ` Rafael J. Wysocki
2009-11-01 21:38 ` Rafael J. Wysocki
2009-11-02 15:35 ` KOSAKI Motohiro
2009-11-02 15:35 ` KOSAKI Motohiro
2009-11-02 19:03 ` Rafael J. Wysocki
2009-11-02 19:03 ` Rafael J. Wysocki
2009-11-03 14:00 ` KOSAKI Motohiro
2009-11-03 14:00 ` KOSAKI Motohiro
2009-11-03 21:51 ` Rafael J. Wysocki
2009-11-03 21:51 ` Rafael J. Wysocki
2009-11-01 22:01 ` Nigel Cunningham
2009-11-01 22:01 ` Nigel Cunningham
2009-11-02 15:35 ` KOSAKI Motohiro
2009-11-02 15:35 ` KOSAKI Motohiro
2009-11-02 19:05 ` Rafael J. Wysocki
2009-11-02 19:05 ` Rafael J. Wysocki
2009-11-02 21:19 ` Nigel Cunningham
2009-11-02 21:19 ` Nigel Cunningham
2009-11-03 11:30 ` Rafael J. Wysocki
2009-11-03 11:30 ` Rafael J. Wysocki
2009-11-03 21:12 ` Nigel Cunningham
2009-11-03 21:12 ` Nigel Cunningham
2009-11-03 22:00 ` Rafael J. Wysocki
2009-11-03 22:00 ` Rafael J. Wysocki
2009-11-12 12:33 ` using highmem for atomic copy of lowmem was " Pavel Machek
2009-11-12 12:33 ` Pavel Machek
2009-11-12 23:33 ` Rafael J. Wysocki
2009-11-12 23:33 ` Rafael J. Wysocki
2009-11-03 14:00 ` KOSAKI Motohiro
2009-11-03 14:00 ` KOSAKI Motohiro
2009-11-03 21:52 ` Rafael J. Wysocki
2009-11-03 21:52 ` Rafael J. Wysocki
2009-11-01 15:11 ` [PATCHv2 3/5] vmscan: Stop zone_reclaim()'s wrong swap_cluster_max usage KOSAKI Motohiro
2009-11-01 15:11 ` KOSAKI Motohiro
2009-11-01 17:51 ` Rik van Riel [this message]
2009-11-01 17:51 ` Rik van Riel
2009-11-02 0:40 ` Minchan Kim
2009-11-02 0:40 ` Minchan Kim
2009-11-01 15:12 ` [PATCHv2 4/5] vmscan: Kill sc.swap_cluster_max KOSAKI Motohiro
2009-11-01 15:12 ` KOSAKI Motohiro
2009-11-01 17:56 ` Rik van Riel
2009-11-01 17:56 ` Rik van Riel
2009-11-02 0:46 ` Minchan Kim
2009-11-02 0:46 ` Minchan Kim
2009-11-01 15:13 ` [PATCHv2 5/5][nit fix] vmscan Make consistent of reclaim bale out between do_try_to_free_page and shrink_zone KOSAKI Motohiro
2009-11-01 15:13 ` KOSAKI Motohiro
2009-11-01 17:58 ` Rik van Riel
2009-11-01 17:58 ` Rik van Riel
2009-11-02 0:48 ` Minchan Kim
2009-11-02 0:48 ` Minchan Kim
2009-11-02 0:35 ` [PATCHv2 1/5] vmscan: separate sc.swap_cluster_max and sc.nr_max_reclaim Minchan Kim
2009-11-02 0:35 ` Minchan Kim
2009-11-02 0:48 ` Minchan Kim
2009-11-02 0:48 ` Minchan Kim
2009-11-02 15:35 ` KOSAKI Motohiro
2009-11-02 15:35 ` KOSAKI Motohiro
2009-11-02 23:34 ` Minchan Kim
2009-11-02 23:34 ` Minchan Kim
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