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On Wed, Jan 24, 2001 at 12:52:57AM +0100, Sasi Peter wrote:
> On Sun, 14 Jan 2001, Godfrey Livingstone wrote:
>
> > You MUST apply this patch before the two raid patches. The VM patch stablises
> > the 2.2.18 virtual memory system and if you don't apply my two repackaged
> > patches will fail. The above VM patch has been accepted into 2.2.19pre3 and
> > many people are using it so is not untested.
>
> 2.2.19preXaaX Virtually disabled I/O cache extention-by-swapout, working
> on previous (semi)stock kernels (raid+ide patched) :(

Can you measure a performance degradation because of that? Previous kernels was
certainly not a good example because they was swapping out stuff even with
`cp /dev/zero .`.

> Thus I wouldn't advise VM global till it gets somewhatbalanced to
> non-swapless configs...

You said me your machine start to swapout when the filesystem cache reaches
100mbytes (on your 384Mbyte box). That seems sane behaviour on a misc load. We
could add some additional bit of page aging to swapout more when it worth
indeed, but current balance looks just quite sane.

Andrea
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