Messages in this thread | | | Date | Wed, 22 Jul 1998 23:49:00 +0200 (CEST) | From | Rik van Riel <> | Subject | Re: 2.1.110 freepages.min change |
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On Wed, 22 Jul 1998, Linus Torvalds wrote: > 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. > > 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..
But didn't your calculations from a few days ago show that you'd need at least 5% of free memory to be reasonably certain to have a contiguous 8kB region free.
For 4MB, that means 50 pages... Then the minimum for freepages.min will change to 16 (the same limit as is currently kept on SPARC/Linux)
Rik. +-------------------------------------------------------------------+ | Linux memory management tour guide. H.H.vanRiel@phys.uu.nl | | Scouting Vries cubscout leader. http://www.phys.uu.nl/~riel/ | +-------------------------------------------------------------------+
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