Re: [PATCH] Preemption Latency Measurement Tool

Rik van Riel
2001-09-21T01:51:13Z

On Fri, 21 Sep 2001, Andrea Arcangeli wrote:
> On Fri, Sep 21, 2001 at 02:03:37AM +0100, Alan Cox wrote:
> > they dont get stuck doing a huge amount of pageout work for someone else.
> > Thats one thing I seem to be seeing with the 10pre11 VM.
>
> actually one feature of the 10pre11 VM is that it will avoid a
> task to give to other people the pages that it is freeing for
> itself. The previous VM didn't has such a feature. So (in theory
> :) it should be the other way around. see the implementation of
> page_alloc.c::balance_classzone().

The key word here seems to be "in theory" ;)

Without testing the thing to death there's no way what
it really does. Yes, this can make development go at a
slower speed, but at least you'll end up with some idea
of what's going on...

regards,

Rik
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