Re: [BUG] 2.4 VM sucks. Again

Roy Sigurd Karlsbakk (roy@karlsbakk.net)
Fri, 24 May 2002 12:04:30 +0200


> > I have 1 gig - highmem (not enabled) - 900 megs.
> > for what I can see, kernel can't reclaim buffers fast enough.
> > ut looks better on -aa.
>
> Sounds like exactly the same problem we were having. There are two
> approaches to solving this - Andrea has a patch that tries to free them
> under memory pressure, akpm has a patch that hacks them down as soon
> as you've fininshed with them (posted to lse-tech mailing list). Both
> approaches seemed to work for me, but the performance of the fixes still
> has to be established.

Where can I find the akpm patch?

Any plans to merge this into the main kernel, giving a choice (in config or
/proc) to enable this?

> I've seen over 1Gb of buffer_heads ;-)
>
> M.

-- 
Roy Sigurd Karlsbakk, Datavaktmester

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