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Date: Sat, 10 Feb 2001 18:35:30 +0100 (CET)
From: Mike Galbraith <mikeg@wen-online.de>
To: Rik van Riel <riel@conectiva.com.br>
cc: Marcelo Tosatti <marcelo@conectiva.com.br>,
        Alan Cox <alan@lxorguk.ukuu.org.uk>, linux-kernel@vger.kernel.org
Subject: Re: Linux 2.4.1-ac7
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Message-ID: <Pine.Linu.4.10.10102101805380.562-100000@mikeg.weiden.de>
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On Sat, 10 Feb 2001, Rik van Riel wrote:

> On Sat, 10 Feb 2001, Marcelo Tosatti wrote:
> > On Sat, 10 Feb 2001, Mike Galbraith wrote:
> > 
> > > This change makes my box swap madly under load.
> > 
> > Swapped out pages were not being counted in the flushing limitation.
> > 
> > Could you try the following patch? 
> 
> Marcelo's patch should do the trick wrt. to making page_launder()
> well-behaved again.  It should fix the problems some people have
> seen with bursty swap behaviour.

It's still reluctant to shrink cache.  I'm hitting I/O saturation
at 20 jobs vs 30 with ac5.  (difference seems to be the delta in
space taken by cache.. ~same space shows as additional swap volume).

	-Mike

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