Re: 2.6.9-ck1: swap mayhem under UT2004

[Lee Revell]

On Sat, 2004-10-23 at 10:03 +1000, Con Kolivas wrote:
> > Any ideas?  Any more info required?
> 
> I've seen reports of this happening since 2.6.9 _even on mainline_. 
> Something seems very sick with kswapd where it consumes massive amounts 
> of cpu. Can you reproduce without any -ck patches? Others have already 
> done so, but it seems to happen earlier with -ck.

One thing that comes to mind immediately is AM's patch to optimize the
swap space layout:

http://lkml.org/lkml/2004/9/9/254

This is definitely in mainline now, not sure when it went in.  Try
backing it out.

Lee

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