linux-kernel - Re: Improving OOM killer

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Message-ID: <4B7320BF.2020800@redhat.com>
Date:	Wed, 10 Feb 2010 16:10:23 -0500
From:	Rik van Riel <riel@...hat.com>
To:	Lubos Lunak <l.lunak@...e.cz>
CC:	David Rientjes <rientjes@...gle.com>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Nick Piggin <npiggin@...e.de>, Jiri Kosina <jkosina@...e.cz>
Subject: Re: Improving OOM killer

On 02/10/2010 03:54 PM, Lubos Lunak wrote:

>   Which however can mean that not killing this system daemon will be traded for
> DoS-ing the whole system, if the daemon keeps spawning new children as soon
> as the OOM killer frees up resources for them.

Killing the system daemon *is* a DoS.

It would stop eg. the database or the web server, which is
generally the main task of systems that run a database or
a web server.

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