Messages in this thread |  | | Date | Tue, 20 Feb 2007 11:00:05 -0800 | From | William Lee Irwin III <> | Subject | Re: [PATCH] free swap space when (re)activating page |
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On Fri, Feb 16, 2007 at 05:46:29PM -0500, Rik van Riel wrote: > The attached patch does what I described in the other thread, it > makes the pageout code free swap space when swap is getting full, > by taking away the swap space from pages that get moved onto or > back onto the active list. > In some tests on a system with 2GB RAM and 1GB swap, it kept the > free swap at 500MB for a 2.3GB qsbench, while without the patch > over 950MB of swap was in use all of the time. > This should give kswapd more flexibility in what to swap out. > What do you think? > Signed-off-by: Rik van Riel <riel@redhat.com>
I would call this a bugfix, not an optimization.
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