From: Andi Kleen <andi@firstfloor.org>
To: Minchan Kim <minchan.kim@gmail.com>
Cc: linux-mm@kvack.org
Subject: Re: Kernel falls apart under light memory pressure (i.e. linking vmlinux)
Date: Sat, 14 May 2011 19:43:33 +0200 [thread overview]
Message-ID: <20110514174333.GW6008@one.firstfloor.org> (raw)
In-Reply-To: <BANLkTik6SS9NH7XVSRBoCR16_5veY0MKBw@mail.gmail.com>
Copying back linux-mm.
> Recently, we added following patch.
> https://lkml.org/lkml/2011/4/26/129
> If it's a culprit, the patch should solve the problem.
It would be probably better to not do the allocations at all under
memory pressure. Even if the RA allocation doesn't go into reclaim
it may still "steal" allocations recently freed and needed by other
actors.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
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next prev parent reply other threads:[~2011-05-14 17:43 UTC|newest]
Thread overview: 102+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-11 22:42 Kernel falls apart under light memory pressure (i.e. linking vmlinux) Andrew Lutomirski
2011-05-11 23:07 ` Andi Kleen
2011-05-11 23:28 ` Andrew Lutomirski
2011-05-12 5:46 ` Andi Kleen
2011-05-12 11:54 ` Andrew Lutomirski
2011-05-14 15:46 ` Andrew Lutomirski
2011-05-14 15:46 ` Andrew Lutomirski
2011-05-14 16:53 ` Andi Kleen
2011-05-14 16:53 ` Andi Kleen
[not found] ` <BANLkTik6SS9NH7XVSRBoCR16_5veY0MKBw@mail.gmail.com>
2011-05-14 17:43 ` Andi Kleen [this message]
2011-05-15 1:37 ` Minchan Kim
2011-05-15 15:27 ` Wu Fengguang
2011-05-15 15:27 ` Wu Fengguang
2011-05-15 15:59 ` Andrew Lutomirski
2011-05-15 15:59 ` Andrew Lutomirski
2011-05-15 22:58 ` Minchan Kim
2011-05-15 22:58 ` Minchan Kim
2011-05-16 8:51 ` Mel Gorman
2011-05-16 8:51 ` Mel Gorman
2011-05-15 16:12 ` Andrew Lutomirski
2011-05-15 16:12 ` Andrew Lutomirski
2011-05-17 6:00 ` Wu Fengguang
2011-05-17 6:00 ` Wu Fengguang
2011-05-17 6:35 ` Minchan Kim
2011-05-17 6:35 ` Minchan Kim
2011-05-17 19:22 ` Andrew Lutomirski
2011-05-18 5:17 ` Minchan Kim
2011-05-18 5:17 ` Minchan Kim
2011-05-19 2:15 ` Andrew Lutomirski
2011-05-19 2:30 ` KAMEZAWA Hiroyuki
2011-05-19 2:30 ` KAMEZAWA Hiroyuki
2011-05-19 2:41 ` Andrew Lutomirski
2011-05-19 2:54 ` Minchan Kim
2011-05-19 2:54 ` Minchan Kim
2011-05-19 14:16 ` Andrew Lutomirski
2011-05-20 0:17 ` Minchan Kim
2011-05-20 0:17 ` Minchan Kim
2011-05-20 2:58 ` Andrew Lutomirski
2011-05-20 2:58 ` Andrew Lutomirski
2011-05-20 3:12 ` KOSAKI Motohiro
2011-05-20 3:12 ` KOSAKI Motohiro
2011-05-20 3:38 ` Andrew Lutomirski
2011-05-20 3:38 ` Andrew Lutomirski
2011-05-20 4:20 ` Minchan Kim
2011-05-20 4:20 ` Minchan Kim
2011-05-20 5:08 ` KAMEZAWA Hiroyuki
2011-05-20 5:08 ` KAMEZAWA Hiroyuki
2011-05-20 5:36 ` Minchan Kim
2011-05-20 5:36 ` Minchan Kim
2011-05-20 7:43 ` KAMEZAWA Hiroyuki
2011-05-20 7:43 ` KAMEZAWA Hiroyuki
2011-05-20 10:11 ` Andrea Arcangeli
2011-05-20 10:11 ` Andrea Arcangeli
2011-05-20 14:11 ` Andrew Lutomirski
2011-05-20 15:33 ` Minchan Kim
2011-05-20 15:33 ` Minchan Kim
2011-05-20 16:01 ` Andrew Lutomirski
2011-05-20 16:01 ` Andrew Lutomirski
2011-05-20 16:19 ` Minchan Kim
2011-05-20 16:19 ` Minchan Kim
2011-05-20 18:09 ` Andrew Lutomirski
2011-05-20 18:40 ` Andrew Lutomirski
2011-05-20 18:40 ` Andrew Lutomirski
2011-05-21 12:04 ` KOSAKI Motohiro
2011-05-21 12:04 ` KOSAKI Motohiro
2011-05-21 13:34 ` Andrew Lutomirski
2011-05-21 13:34 ` Andrew Lutomirski
2011-05-21 14:14 ` KOSAKI Motohiro
2011-05-21 14:14 ` KOSAKI Motohiro
2011-05-21 14:44 ` Minchan Kim
2011-05-21 14:44 ` Minchan Kim
2011-05-22 12:22 ` Andrew Lutomirski
2011-05-22 12:22 ` Andrew Lutomirski
2011-05-22 23:12 ` Minchan Kim
2011-05-22 23:12 ` Minchan Kim
2011-05-23 16:42 ` Andrea Arcangeli
2011-05-23 16:42 ` Andrea Arcangeli
2011-05-23 17:35 ` Mel Gorman
2011-05-23 17:35 ` Mel Gorman
2011-05-24 1:19 ` Andrew Lutomirski
2011-05-24 1:34 ` Minchan Kim
2011-05-24 1:34 ` Minchan Kim
2011-05-24 11:24 ` Andrew Lutomirski
2011-05-24 11:24 ` Andrew Lutomirski
2011-05-24 11:55 ` Andrew Lutomirski
2011-05-25 0:43 ` KOSAKI Motohiro
2011-05-25 0:43 ` KOSAKI Motohiro
2011-05-21 14:31 ` Minchan Kim
2011-05-21 14:31 ` Minchan Kim
2011-05-19 14:51 ` Wu Fengguang
2011-05-19 14:51 ` Wu Fengguang
2011-05-19 15:00 ` Andrew Lutomirski
2011-05-19 15:00 ` Andrew Lutomirski
2011-05-20 0:20 ` Minchan Kim
2011-05-20 0:20 ` Minchan Kim
2011-05-15 22:40 ` Minchan Kim
2011-05-15 22:40 ` Minchan Kim
2011-05-17 5:52 ` Wu Fengguang
2011-05-17 5:52 ` Wu Fengguang
2011-05-17 6:26 ` Minchan Kim
2011-05-17 6:26 ` Minchan Kim
2011-05-20 10:40 ` Andrea Arcangeli
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