Re: 2.1.110 freepages.min change

Linus Torvalds (torvalds@transmeta.com)
Wed, 22 Jul 1998 13:39:48 -0700 (PDT)

On Wed, 22 Jul 1998, Rik van Riel wrote:
>
> I've noticed that, in 2.1.110, the value for the
> minimum amount of free pages changed from 48 to
> 10.
>
> Considering the amount of fragmentation problems
> observed and the numbers generated by your fragmentation
> calculation program, this seems a tad on the low side...

Note that that limit is only for a 4MB machine, with even 8MB the
calculations will force it to be 16, and with 32MB it will be 64 pages
free. And that's just the minimum number, so normally kswapd will try to
keep 30 pages free even in a 4MB environment..

Linus

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