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From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
To: Paulo Marques <pmarques@grupopie.com>
Cc: Al Boldi <a1426z@gawab.com>, linux-kernel@vger.kernel.org
Subject: Re: Kswapd flaw
Date: Tue, 28 Jun 2005 06:58:15 -0300	[thread overview]
Message-ID: <20050628095815.GA13464@logos.cnet> (raw)
In-Reply-To: <42C164E1.6000506@grupopie.com>

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"

Al, 

You should set overcommit accordingly as Paulo mentions.

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


  reply	other threads:[~2005-06-28 15:39 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-27 20:04 Kswapd flaw Al Boldi
2005-06-27 15:58 ` Marcelo Tosatti
2005-06-28  6:37   ` Al Boldi
2005-06-28  8:18     ` Michal Schmidt
2005-06-28  9:08       ` Al Boldi
2005-06-28  9:54         ` Michal Schmidt
2005-06-28 10:50     ` Nix
2005-06-28 11:47       ` Al Boldi
2005-06-28 12:50         ` Nix
2005-06-28 13:52           ` Al Boldi
2005-06-28 14:37             ` Nix
2005-06-28 15:35               ` Al Boldi
2005-06-28 16:25                 ` Nix
2005-06-28 18:15         ` Helge Hafting
2005-06-28 14:55     ` Paulo Marques
2005-06-28  9:58       ` Marcelo Tosatti [this message]
2005-06-28 16:43         ` Al Boldi
     [not found] <4knRo-4Li-9@gated-at.bofh.it>
     [not found] ` <4koWT-5Iy-21@gated-at.bofh.it>
2005-06-28 14:28   ` Robert Hancock
     [not found] <20050628143932.GA14545@logos.cnet>
2005-06-29  4:53 ` Al Boldi

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