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SubjectRe: 2.4.19pre1aa1
On Sat, Mar 02, 2002 at 02:28:20AM +0000, Alan Cox wrote:
> > On a very lowmem machine the rmap design shouldn't really make a sensible
> > difference, the smaller the amount of mapped VM, the less rmap can make
> > differences, period.
> It makes a big big difference on a low memory box. Try running xfce on
> a 24Mb box with the base 2.4.18, 2.4.18 + rmap12f and 2.4.18+aa. Thats
> a case where aa definitely loses and without other I/O patches being

hmm to fully evaluate this I'd need to have access to the exact two kernel
source tarballs that you compared (a diff against a known vanilla kernel
tree would be fine) and to know the way you measured the difference of
them while xfce was running (nominal performance/responsiveness/whatever?).

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