From: Rik van Riel <riel@conectiva.com.br>
To: Benjamin Redelings I <bredelin@ucla.edu>
Cc: linux-mm@kvack.org
Subject: Re: Happiness with t8-vmpatch4 (was Re: Does page-aging really work?)
Date: Sat, 16 Sep 2000 04:57:55 -0300 (BRST) [thread overview]
Message-ID: <Pine.LNX.4.21.0009160455260.1519-100000@duckman.distro.conectiva> (raw)
In-Reply-To: <39C31C9F.1C202CD8@ucla.edu>
On Sat, 16 Sep 2000, Benjamin Redelings I wrote:
> 1. test8-vmpatch4 does not swap very much at first, but then
> swaps a lot of memory in a short time when triggered.
> 2. I guess we could wish that unused programs got swapped a
> bit sooner instead of all at once - but presumably that can be
> tuned.
This is indeed something to look at. Maybe we could give
idle processes (sleeping for more than 20 seconds?) a
"full" swap_cnt instead of swap_cnt = rss >> SWAP_SHIFT ?
And we could also start swapping a bit earlier when the
cache is getting small, but I'm not sure about how to
do this or exactly what performance benefits that would
give ...
regards,
Rik
--
"What you're running that piece of shit Gnome?!?!"
-- Miguel de Icaza, UKUUG 2000
http://www.conectiva.com/ http://www.surriel.com/
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next prev parent reply other threads:[~2000-09-16 7:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-09-08 21:34 Multiqueue VM Patch OK? Does page-aging really work? Benjamin Redelings I
2000-09-08 22:58 ` Rik van Riel
2000-09-16 7:09 ` Happiness with t8-vmpatch4 (was Re: Does page-aging really work?) Benjamin Redelings I
2000-09-16 7:57 ` Rik van Riel [this message]
2000-09-16 18:20 ` Benjamin Redelings I
2000-09-16 18:22 ` Rik van Riel
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