From: ebiederman@lnxi.com (Eric W. Biederman)
To: Jonathan Morton <chromi@cyberspace.org>
Cc: Martin Dalecki <dalecki@evision-ventures.com>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
"James A. Sutherland" <jas88@cam.ac.uk>,
Guest section DW <dwguest@win.tue.nl>,
Rik van Riel <riel@conectiva.com.br>,
"Patrick O'Rourke" <orourke@missioncriticallinux.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Prevent OOM from killing init
Date: 23 Mar 2001 16:26:31 -0700 [thread overview]
Message-ID: <m3snk4gj88.fsf@DLT.linuxnetworx.com> (raw)
In-Reply-To: <E14gVQf-00056B-00@the-village.bc.nu> <l0313030eb6e156f24437@[192.168.239.101]>
In-Reply-To: Jonathan Morton's message of "Fri, 23 Mar 2001 19:45:26 +0000"
Jonathan Morton <chromi@cyberspace.org> writes:
> >It would make much sense to make the oom killer
> >leave not just root processes alone but processes belonging to a UID
> >lower
> >then a certain value as well (500). This would be:
> >
> >1. Easly managable by the admin. Just let oracle/www and analogous users
> > have a UID lower then let's say 500.
>
> That sounds vaguely sensible. However, make it a "much less likely" rather
> than an "impossible", otherwise we end up with an unkillable runaway root
> process killing everything else in userland.
>
> I'm still in favour of a failing malloc(), and I'm currently reading a bit
> of source and docs to figure out where this should be done and why it isn't
> done now. So far I've found the overcommit_memory flag, which looks kinda
> promising.
Lookup mlock & mlock_all they will handle the single process case.
Of course if you OOM you still have problems but that should make
them much harder to trigger.
Eric
next prev parent reply other threads:[~2001-03-23 23:27 UTC|newest]
Thread overview: 173+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-21 22:54 [PATCH] Prevent OOM from killing init Patrick O'Rourke
2001-03-21 23:11 ` Eli Carter
2001-03-21 23:40 ` Patrick O'Rourke
2001-03-21 23:48 ` Rik van Riel
2001-03-22 8:14 ` Eric W. Biederman
2001-03-22 9:24 ` Rik van Riel
2001-03-22 19:29 ` Philipp Rumpf
2001-03-22 11:47 ` Guest section DW
2001-03-22 15:01 ` Rik van Riel
2001-03-22 19:04 ` Guest section DW
2001-03-22 16:41 ` Eric W. Biederman
2001-03-22 20:28 ` Stephen Clouse
2001-03-22 21:01 ` Ingo Oeser
2001-03-22 21:23 ` Alan Cox
2001-03-22 22:00 ` Guest section DW
2001-03-22 22:12 ` Ed Tomlinson
2001-03-22 22:52 ` Alan Cox
2001-03-22 23:27 ` Guest section DW
2001-03-22 23:37 ` Rik van Riel
2001-03-26 19:04 ` James Antill
2001-03-26 20:05 ` Rik van Riel
2001-03-22 23:40 ` Alan Cox
2001-03-23 20:09 ` Szabolcs Szakacsits
2001-03-23 22:21 ` Alan Cox
2001-03-23 22:37 ` Szabolcs Szakacsits
2001-03-23 19:57 ` Szabolcs Szakacsits
2001-03-22 22:10 ` Doug Ledford
2001-03-22 22:53 ` Alan Cox
2001-03-22 23:30 ` Doug Ledford
2001-03-22 23:40 ` Alan Cox
2001-03-22 23:43 ` Stephen Clouse
2001-03-23 19:26 ` Szabolcs Szakacsits
2001-03-23 20:41 ` Paul Jakma
2001-03-23 21:58 ` george anzinger
2001-03-24 5:55 ` Rik van Riel
2001-03-23 22:18 ` Szabolcs Szakacsits
2001-03-24 2:08 ` Paul Jakma
2001-03-23 1:31 ` Michael Peddemors
2001-03-23 7:04 ` Rik van Riel
2001-03-23 11:28 ` Guest section DW
2001-03-23 14:50 ` Eric W. Biederman
2001-03-23 15:13 ` General 2.4 impressions (was Re: [PATCH] Prevent OOM from killing init) Jeff Garzik
2001-03-23 16:10 ` Adding just a pinch of icache/dcache pressure Jan Harkes
2001-03-23 16:17 ` Andi Kleen
2001-03-23 16:51 ` Jan Harkes
2001-03-23 17:21 ` [PATCH] Prevent OOM from killing init Guest section DW
2001-03-23 20:18 ` Paul Jakma
2001-03-24 20:19 ` Jesse Pollard
2001-03-23 23:48 ` Eric W. Biederman
2001-03-23 21:11 ` José Luis Domingo López
2001-03-27 15:05 ` Anthony de Boer - USEnet
2002-03-23 0:33 ` Martin Dalecki
2001-03-22 23:53 ` Rik van Riel
2002-03-23 1:21 ` Martin Dalecki
2001-03-23 0:20 ` Stephen Clouse
2002-03-23 1:30 ` Martin Dalecki
2001-03-23 1:37 ` Rik van Riel
2001-03-23 10:48 ` Martin Dalecki
2001-03-23 14:56 ` Rik van Riel
2001-03-23 16:43 ` Guest section DW
2001-03-24 5:57 ` Rik van Riel
2001-03-25 16:35 ` Guest section DW
2001-03-23 20:20 ` Tom Diehl
2001-03-23 23:56 ` Tim Wright
2001-03-24 0:21 ` Tom Diehl
2001-03-23 17:26 ` James A. Sutherland
2001-03-23 17:32 ` Alan Cox
2001-03-23 18:58 ` Martin Dalecki
2001-03-25 13:54 ` [PATCH] OOM handling Martin Dalecki
2001-03-25 15:06 ` Rik van Riel
2001-03-25 15:20 ` Martin Dalecki
2001-03-25 15:50 ` Jeff Garzik
2001-03-25 17:08 ` Rik van Riel
2001-03-25 15:44 ` Jonathan Morton
2001-03-25 15:47 ` Martin Dalecki
2001-03-25 16:36 ` Jonathan Morton
2001-03-26 21:34 ` Kevin Buhr
2001-03-26 22:00 ` Jonathan Morton
2001-03-26 2:13 ` Matthew Chappee
2001-03-26 11:33 ` Ingo Oeser
2001-03-26 11:49 ` Jasper Spaans
2001-03-26 16:11 ` Michael Peddemors
2001-03-23 19:45 ` [PATCH] Prevent OOM from killing init Jonathan Morton
2001-03-23 23:26 ` Eric W. Biederman [this message]
2001-03-25 15:30 ` Martin Dalecki
2001-03-25 20:47 ` Stephen Satchell
2001-03-25 21:51 ` [PATCH] non-overcommit memory, improved OOM handling, safety margin (was Re: Prevent OOM from killing init) Jonathan Morton
2001-03-27 15:23 ` Pavel Machek
2001-03-24 0:03 ` [PATCH] Prevent OOM from killing init Guest section DW
2001-03-24 7:52 ` Doug Ledford
2001-03-25 0:32 ` Kurt Garloff
2001-03-25 15:02 ` Sandy Harris
2001-03-25 18:07 ` Guest section DW
2001-03-22 14:53 ` Patrick O'Rourke
2001-03-22 19:24 ` Philipp Rumpf
2001-03-22 22:20 ` James A. Sutherland
2001-03-23 17:31 ` Szabolcs Szakacsits
2001-03-24 5:54 ` Rik van Riel
2001-03-24 6:55 ` Juha Saarinen
2001-03-27 8:31 ` Roger Gammans
-- strict thread matches above, loose matches on Subject: below --
2001-03-21 23:41 Leif Sawyer
2001-03-22 0:32 ` Kevin Buhr
2001-03-22 11:08 Heusden, Folkert van
[not found] <4605B269DB001E4299157DD1569079D2809930@EXCHANGE03.plaza.ds.adp.com>
2001-03-22 16:29 ` Rik van Riel
2001-03-22 18:32 ` Christian Bodmer
2001-03-23 15:08 ` Horst von Brand
2001-03-24 7:48 ` Doug Ledford
2001-03-24 10:21 ` Mike Galbraith
2001-03-24 18:19 ` Doug Ledford
2001-03-24 22:47 ` Mike Galbraith
2001-03-24 23:35 ` Jonathan Morton
2001-03-25 18:35 ` Jonathan Morton
2001-03-26 4:40 ` Horst von Brand
2001-03-26 8:36 ` Mike Galbraith
2001-03-26 10:01 ` Jonathan Morton
2001-03-26 14:48 ` Rik van Riel
2001-03-25 19:07 ` Mike Galbraith
2001-03-24 20:04 ` Jonathan Morton
2001-03-24 20:59 ` Jonathan Morton
2001-03-24 22:11 ` Rik van Riel
2001-03-24 23:36 ` Jonathan Morton
2001-03-25 14:30 ` Martin Dalecki
2001-03-25 14:13 ` Martin Dalecki
2001-03-24 12:42 ` Jonathan Morton
2001-03-24 15:06 ` Mike Galbraith
2001-03-25 14:10 ` Martin Dalecki
2001-03-22 23:35 Mikael Pettersson
2001-03-22 23:43 ` Alan Cox
2001-03-27 7:58 ` Helge Hafting
2001-03-23 0:09 Mikael Pettersson
2001-03-23 0:27 ` Andrew Morton
2001-03-23 12:29 ` Mikael Pettersson
2001-03-23 16:24 ` Horst von Brand
2001-03-23 16:49 ` Guest section DW
2001-03-23 17:04 ` Alan Cox
2001-03-23 9:28 Heusden, Folkert van
2001-03-23 9:48 Only 10 MB/sec with via 82c686b - FIXED Alan Cox
2001-03-23 17:00 ` [PATCH] Prevent OOM from killing init SodaPop
2001-03-23 18:42 ` Martin Dalecki
2001-03-23 20:25 ` SodaPop
2001-03-23 20:33 ` Martin Dalecki
2001-03-23 19:19 ` Jonathan Morton
2001-03-23 18:29 Andries.Brouwer
2001-03-23 18:38 ` Alan Cox
2001-03-24 0:46 ` Tim Wright
2001-03-24 16:48 ` Jesse Pollard
2001-03-25 16:12 ` Szabolcs Szakacsits
2001-03-25 16:39 ` Jonathan Morton
2001-03-23 18:43 ` nick
2001-03-23 19:01 ` Martin Dalecki
2001-03-23 19:23 ` nick
2001-03-23 22:12 ` Alan Cox
2001-03-23 23:23 ` Stephen E. Clark
2001-03-24 10:40 ` Gérard Roudier
2001-03-23 21:14 ` Jonathan Morton
2001-03-25 14:56 ` Marco Colombo
2001-03-23 19:33 Stephen Satchell
2001-03-23 23:15 Andries.Brouwer
2001-03-23 23:17 ` Martin Dalecki
2001-03-24 0:13 ` Jonathan Morton
2001-03-24 6:58 ` Rik van Riel
2001-03-24 12:38 ` Jonathan Morton
2001-03-24 13:12 ` Jonathan Morton
2001-03-24 1:59 ` Paul Jakma
2001-03-24 1:11 Andries.Brouwer
2001-03-24 1:38 Jonathan Morton
2001-03-24 2:30 Andreas Franck
2001-03-24 10:18 Andries.Brouwer
2001-03-24 23:41 Benoit Garnier
2001-03-25 5:45 ` Stephen Satchell
2001-03-25 6:58 ` Stephen Clouse
2001-03-25 14:37 ` Martin Dalecki
2001-03-25 14:32 ` Martin Dalecki
[not found] <Pine.LNX.4.30.0103251549100.13864-100000@fs131-224.f-secure.com>
[not found] ` <l03130315b6e242006a4b@[192.168.239.101]>
2001-03-25 15:47 ` Jonathan Morton
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