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Date: Sat, 10 Feb 2001 10:36:05 -0200 (BRDT)
From: Rik van Riel <riel@conectiva.com.br>
To: Marcelo Tosatti <marcelo@conectiva.com.br>
cc: Mike Galbraith <mikeg@wen-online.de>, Alan Cox <alan@lxorguk.ukuu.org.uk>,
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Subject: Re: Linux 2.4.1-ac7
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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.

> --- linux.orig/mm/vmscan.c      Sat Feb 10 08:26:17 2001
> +++ linux/mm/vmscan.c   Sat Feb 10 09:34:20 2001
> @@ -515,6 +515,7 @@
> 
>                         writepage(page);
>                         flushed_pages++;
> +                       max_launder--;
>                         page_cache_release(page);
> 
>                         /* And re-start the thing.. */



Rik
--
Linux MM bugzilla: http://linux-mm.org/bugzilla.shtml

Virtual memory is like a game you can't win;
However, without VM there's truly nothing to lose...

		http://www.surriel.com/
http://www.conectiva.com/	http://distro.conectiva.com/

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