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From: "Al Boldi" <a1426z@gawab.com>
To: "'Marcelo Tosatti'" <marcelo.tosatti@cyclades.com>,
       "'Paulo Marques'" <pmarques@grupopie.com>
Cc: <linux-kernel@vger.kernel.org>
Subject: RE: Kswapd flaw
Date: Tue, 28 Jun 2005 19:43:20 +0300
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Marcelo wrote: {
On Tue, Jun 28, 2005 at 03:55:29PM +0100, Paulo Marques wrote:
> Al Boldi wrote:
> >On Mon, Jun 27, 2005 at 11:04:08PM +0300, Al Boldi wrote:
> >
> >>In 2.4.31 kswapd starts paging during OOMs even w/o swap enabled.
> >>
> >>Is there a way to fix/disable this behaviour?
> >
> >
> >Marcelo,
> >
> >Kswapd starts evicting processes to fullfil a malloc, when it should 
> >just deny it because there is no swap.
> 
> I think what you really want is to adjust your "overcommit" settings.
> 
> See: "Documentation/vm/overcommit-accounting"

You might also want to disable the OOM killer (CONFIG_OOM_KILLER).
}

Paulo,
Thanks for the pointer!  Overcommit is the problem, and kswapd is not
honoring it.
Can this be fixed/adjusted?

Marcelo,
Disable OOM killer? Is that an option in 2.4 or 2.6?

Thanks!