From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: avagin@gmail.com,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Andrew Morton <akpm@linux-foundation.org>,
Minchan Kim <minchan.kim@gmail.com>,
Andrey Vagin <avagin@openvz.org>, Mel Gorman <mel@csn.ul.ie>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: check zone->all_unreclaimable in all_unreclaimable()
Date: Thu, 10 Mar 2011 23:08:39 +0900 (JST) [thread overview]
Message-ID: <20110310224939.F926.A69D9226@jp.fujitsu.com> (raw)
In-Reply-To: <20110309145457.0400.A69D9226@jp.fujitsu.com>
> Hi,
>
> Hmmm...
> If I could observed your patch, I did support your opinion. but I didn't. so, now I'm
> curious why we got the different conclusion. tommorow, I'll try to construct a test
> environment to reproduce your system.
Hm,
following two patches seems to have bad interaction. former makes
SCHED_FIFO when OOM, latter makes CPU 100% occupied busy loop if
LRU is really tight.
Of cource, I need to run more much test. I'll digg it more at this
weekend (maybe).
commit 93b43fa55088fe977503a156d1097cc2055449a2
Author: Luis Claudio R. Goncalves <lclaudio@uudg.org>
Date: Mon Aug 9 17:19:41 2010 -0700
oom: give the dying task a higher priority
commit 0e093d99763eb4cea09f8ca4f1d01f34e121d10b
Author: Mel Gorman <mel@csn.ul.ie>
Date: Tue Oct 26 14:21:45 2010 -0700
writeback: do not sleep on the congestion queue if there are no congested BDIs or if significant conge
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next prev parent reply other threads:[~2011-03-10 14:08 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-05 11:44 Andrey Vagin
2011-03-05 15:20 ` Minchan Kim
2011-03-05 15:34 ` Andrew Vagin
2011-03-05 15:53 ` Minchan Kim
2011-03-05 16:41 ` Andrew Vagin
2011-03-05 17:07 ` Minchan Kim
2011-03-07 21:58 ` Andrew Morton
2011-03-07 23:45 ` Minchan Kim
2011-03-09 5:37 ` KAMEZAWA Hiroyuki
2011-03-09 5:43 ` KAMEZAWA Hiroyuki
2011-03-10 6:58 ` Minchan Kim
2011-03-10 23:58 ` KAMEZAWA Hiroyuki
2011-03-11 0:18 ` Minchan Kim
2011-03-11 6:08 ` avagin
2011-03-14 1:03 ` Minchan Kim
2011-03-08 0:44 ` KAMEZAWA Hiroyuki
2011-03-08 3:06 ` KOSAKI Motohiro
2011-03-08 19:02 ` avagin
2011-03-09 5:52 ` KAMEZAWA Hiroyuki
2011-03-09 6:17 ` KOSAKI Motohiro
2011-03-10 14:08 ` KOSAKI Motohiro [this message]
2011-03-08 8:12 ` Andrew Vagin
2011-03-09 6:06 ` KAMEZAWA Hiroyuki
2011-05-04 1:38 ` CAI Qian
2011-05-09 6:54 ` KOSAKI Motohiro
2011-05-09 8:47 ` CAI Qian
2011-05-09 9:19 ` KOSAKI Motohiro
2011-05-10 8:11 ` OOM Killer don't works at all if the system have >gigabytes memory (was Re: [PATCH] mm: check zone->all_unreclaimable in all_unreclaimable()) KOSAKI Motohiro
2011-05-10 8:14 ` [PATCH 1/4] oom: improve dump_tasks() show items KOSAKI Motohiro
2011-05-10 23:29 ` David Rientjes
2011-05-13 10:14 ` KOSAKI Motohiro
2011-05-10 8:15 ` [PATCH 2/4] oom: kill younger process first KOSAKI Motohiro
2011-05-10 23:31 ` David Rientjes
2011-05-13 10:15 ` KOSAKI Motohiro
2011-05-11 23:33 ` Minchan Kim
2011-05-12 0:52 ` KAMEZAWA Hiroyuki
2011-05-12 1:30 ` Minchan Kim
2011-05-12 1:53 ` KAMEZAWA Hiroyuki
2011-05-12 2:23 ` Minchan Kim
2011-05-12 3:39 ` KAMEZAWA Hiroyuki
2011-05-12 4:17 ` Minchan Kim
2011-05-12 14:38 ` Paul E. McKenney
2011-05-13 10:18 ` KOSAKI Motohiro
2011-05-10 8:15 ` [PATCH 3/4] oom: oom-killer don't use permillage of system-ram internally KOSAKI Motohiro
2011-05-10 23:40 ` David Rientjes
2011-05-13 10:30 ` KOSAKI Motohiro
2011-05-10 8:16 ` [PATCH 4/4] oom: don't kill random process KOSAKI Motohiro
2011-05-10 23:41 ` David Rientjes
2011-05-10 23:22 ` OOM Killer don't works at all if the system have >gigabytes memory (was Re: [PATCH] mm: check zone->all_unreclaimable in all_unreclaimable()) David Rientjes
2011-05-11 2:30 ` CAI Qian
2011-05-11 20:34 ` David Rientjes
2011-05-12 0:13 ` Minchan Kim
2011-05-12 19:38 ` David Rientjes
2011-05-13 4:16 ` Minchan Kim
2011-05-13 11:04 ` KOSAKI Motohiro
2011-05-16 20:42 ` David Rientjes
2011-05-13 6:53 ` CAI Qian
2011-05-16 20:46 ` David Rientjes
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