Re: Inclusion of zoned inactive/free shortage patch

From: Marcelo Tosatti (
Date: Wed Jul 18 2001 - 14:50:37 EST

On Wed, 18 Jul 2001, Rik van Riel wrote:

> On Tue, 17 Jul 2001, Marcelo Tosatti wrote:
> > The following patch (against 2.4.6-ac2, already merged in 2.4.6-ac3) adds
> > specific perzone inactive/free shortage handling code.
> Marcelo, now that you have the nice VM statistics
> patch, do you have some numbers on how this patch
> affects the system,


With the old code, I've seen zone specific shortages which caused the
kernel to free/deactivate pages from all zones.

> or is this patch based on guesswork ? ;)

Even if I did not had the stats, its senseless to free/deactivate pages
from zones which do not need to.
The old behaviour was fundamentally broken.

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This archive was generated by hypermail 2b29 : Mon Jul 23 2001 - 21:00:11 EST