From: Tomasz Chmielewski <mangoo@wpkg.org>
To: LKML <linux-kernel@vger.kernel.org>, zbr@ioremap.net
Subject: Re: Linux killed Kenny, bastard!
Date: Tue, 13 Jan 2009 11:58:38 +0100 [thread overview]
Message-ID: <496C73DE.3030600@wpkg.org> (raw)
>> On Tue, 13 Jan 2009, Evgeniy Polyakov wrote:
>>
>> > Like anything that spawns a thread or process per request/client, or
>> > preallocates set of them which connect to the huge object like database.
>> > Most of the time database/server is killed first instead of comparably
>> > small clients.
>>
>> No, the reverse is true: when a task is chosen for oom kill based on the
>> badness heuristic, the oom killer first attempts to kill any child task
>> that isn't attached to the same mm. If the child shares an mm, both tasks
>> must die before memory freeing can occur.
>
> It is a theory, not a practice. OOM-killer most of time starts from ssh,
> database and lighttpd on the tested machines, when it could start in
> the reverse order and do not touch ssh at all. Better not from daemon
> itself, but its fastcgi spawned processes.
How does this feature relate to:
config ANDROID_LOW_MEMORY_KILLER
bool "Android Low Memory Killer"
default N
---help---
Register processes to be killed when memory is low
available in Staging drivers / Android?
--
Tomasz Chmielewski
http://wpkg.org
next reply other threads:[~2009-01-13 11:09 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-13 10:58 Tomasz Chmielewski [this message]
2009-01-13 12:10 ` ANDROID low memory killer register (was Linux killed Kenny, bastard!) Alan Cox
2009-01-13 12:23 ` Evgeniy Polyakov
2009-01-13 12:27 ` Alan Cox
2009-01-13 12:20 ` Linux killed Kenny, bastard! Evgeniy Polyakov
[not found] <bTxPW-1lH-13@gated-at.bofh.it>
[not found] ` <bTE53-5LJ-13@gated-at.bofh.it>
[not found] ` <bTEeI-5Y0-15@gated-at.bofh.it>
[not found] ` <bTGTe-1K5-3@gated-at.bofh.it>
[not found] ` <bTNi6-3kb-9@gated-at.bofh.it>
[not found] ` <bTOea-4QT-1@gated-at.bofh.it>
[not found] ` <bTQ6f-7Qs-1@gated-at.bofh.it>
[not found] ` <bTQpv-5o-3@gated-at.bofh.it>
[not found] ` <bTQzd-iK-5@gated-at.bofh.it>
[not found] ` <bTXhp-2IA-31@gated-at.bofh.it>
[not found] ` <bTZjb-62D-25@gated-at.bofh.it>
2009-01-17 15:21 ` Bodo Eggert
2009-01-17 15:41 ` Evgeniy Polyakov
2009-01-18 12:49 ` Bodo Eggert
2009-01-18 13:17 ` Evgeniy Polyakov
-- strict thread matches above, loose matches on Subject: below --
2009-01-12 15:33 Evgeniy Polyakov
2009-01-12 15:44 ` Dave Jones
2009-01-12 15:48 ` Evgeniy Polyakov
2009-01-12 15:51 ` Alan Cox
2009-01-12 15:52 ` Evgeniy Polyakov
2009-01-12 21:29 ` Chris Snook
2009-01-12 21:42 ` Evgeniy Polyakov
2009-01-12 15:49 ` Alan Cox
2009-01-12 15:50 ` Evgeniy Polyakov
2009-01-12 15:52 ` Alan Cox
2009-01-12 15:56 ` Evgeniy Polyakov
2009-01-12 16:19 ` Alan Cox
2009-01-12 16:29 ` Evgeniy Polyakov
2009-01-12 23:00 ` Bill Davidsen
2009-01-12 23:17 ` Evgeniy Polyakov
2009-01-13 1:53 ` David Rientjes
2009-01-13 8:52 ` Evgeniy Polyakov
2009-01-13 9:54 ` David Rientjes
2009-01-13 11:54 ` Evgeniy Polyakov
2009-01-13 12:15 ` Alan Cox
2009-01-13 12:29 ` Evgeniy Polyakov
2009-01-13 13:19 ` Theodore Tso
2009-01-13 13:35 ` Evgeniy Polyakov
2009-01-14 0:24 ` Bill Davidsen
2009-01-14 0:35 ` Evgeniy Polyakov
2009-01-13 13:47 ` Alan Cox
2009-01-13 19:36 ` David Rientjes
2009-01-13 21:46 ` Evgeniy Polyakov
2009-01-13 22:49 ` Theodore Tso
2009-01-13 23:02 ` Evgeniy Polyakov
2009-01-14 1:11 ` Theodore Tso
2009-01-14 1:20 ` Evgeniy Polyakov
2009-01-14 4:06 ` Theodore Tso
2009-01-13 23:10 ` David Rientjes
2009-01-13 23:35 ` Evgeniy Polyakov
2009-01-13 23:43 ` David Rientjes
2009-01-13 23:55 ` Evgeniy Polyakov
2009-01-14 0:32 ` David Rientjes
2009-01-14 0:53 ` Evgeniy Polyakov
2009-01-14 4:23 ` Valdis.Kletnieks
2009-01-14 9:07 ` Evgeniy Polyakov
2009-01-13 19:15 ` David Rientjes
2009-01-13 22:00 ` Evgeniy Polyakov
2009-01-13 23:26 ` Valdis.Kletnieks
2009-01-13 23:36 ` Evgeniy Polyakov
2009-01-13 13:41 ` Jan-Frode Myklebust
2009-01-13 13:59 ` Alan Cox
2009-01-12 16:22 ` Dave Jones
2009-01-12 16:28 ` Evgeniy Polyakov
2009-01-13 16:35 ` KOSAKI Motohiro
2009-01-13 22:04 ` Evgeniy Polyakov
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