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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Stephen Clouse <stephenc@theiqgroup.com>
Cc: 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: Thu, 22 Mar 2001 21:23:54 +0000 (GMT)	[thread overview]
Message-ID: <E14gCYn-0003K3-00@the-village.bc.nu> (raw)
In-Reply-To: <20010322142831.A929@owns.warpcore.org> from "Stephen Clouse" at Mar 22, 2001 02:28:31 PM

> Really the whole oom_kill process seems bass-ackwards to me.  I can't in my mind
> logically justify annihilating large-VM processes that have been running for 
> days or weeks instead of just returning ENOMEM to a process that just started 
> up.

How do you return an out of memory error to a C program that is out of memory
due to a stack growth fault. There is actually not a language construct for it

> It would be nice to give immunity to certain uids, or better yet, just turn the
> damn thing off entirely.  I've already hacked that in...errr, out.

Eventually you have to kill something or the machine deadlocks. The oom killing
doesnt kick in until that point. So its up to you how you like your errors.

One of the things that we badly need to resurrect for 2.5 is the beancounter
work which would let you reasonably do things like guaranteed Oracle a certain
amount of the machine, or restrict all the untrusted users to a total of 200Mb
hard limit between them etc

--
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  parent reply	other threads:[~2001-03-22 21:23 UTC|newest]

Thread overview: 93+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-03-21 22:54 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 23:10         ` Jordi Polo
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 [this message]
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
2001-03-24  8:04                 ` Mike Galbraith
2001-03-27 14:05                 ` Scott F. Kaplan
2001-03-28  0:00                   ` Rik van Riel
2001-03-30  3:18                     ` Scott F. Kaplan
2001-03-30 23:03                       ` Rik van Riel
2001-03-23 22:18             ` Szabolcs Szakacsits
2001-03-24  2:08               ` Paul Jakma
2001-03-23  1:31       ` Michael Peddemors
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 17:26     ` James A. Sutherland
2001-03-23 17:32       ` Alan Cox
2001-03-23 18:58         ` Martin Dalecki
2001-03-23 19:45           ` Jonathan Morton
2001-03-23 23:26             ` Eric W. Biederman
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 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
2001-03-25 15:30         ` [PATCH] Prevent OOM from killing init 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
2001-03-23 20:16       ` [PATCH] Prevent OOM from killing init Jordi Polo
2001-03-24  0:03       ` Guest section DW
2001-03-24  7:52       ` Doug Ledford
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
2001-03-22 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
     [not found] <20010323015358Z129164-406+3041@vger.kernel.org>
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 17:21       ` 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  9:28 Heusden, Folkert van

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