Re: Linux 2.4.1-ac7

From: Rik van Riel (riel@conectiva.com.br)
Date: Sat Feb 10 2001 - 07:36:05 EST

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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This archive was generated by hypermail 2b29 : Thu Feb 15 2001 - 21:00:15 EST