Re: [PATCH] strict VM overcommit accounting for 2.4.32/2.4.33-pre1

From: Arjan van de Ven
Date: Fri Dec 30 2005 - 13:18:31 EST


On Fri, 2005-12-30 at 18:48 +0100, Willy Tarreau wrote:
> On Thu, Dec 29, 2005 at 11:44:01PM -0800, Barry K. Nathan wrote:
> > This patch adds strict VM overcommit accounting to the mainline 2.4
> > kernel, thus allowing overcommit to be truly disabled. This feature
> > has been in 2.4-ac, Red Hat Enterprise Linux 3 (RHEL 3) vendor kernels,
> > and 2.6 for a long while.
>
> Many thanks, I'm impatient to try it ! I tried to backport it in the
> past but miserably failed as I don't understand those areas well. I'm
> interested in checking that a buggy service cannot eat all the RAM an
> bring the machine to death.

that's what rlimit is for though... overcommit acounting doesn't help
you a lot there.


Also I think, to be honest, that this is a feature that is getting
unsuitable for the "bugfixes only" 2.4 kernel series....


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