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Re: CVS commit: src/sys/uvm
On Thu, Jan 06, 2011 at 02:11:53AM +0900, Toru Nishimura wrote:
> For each port, it's just ok to tell UVM the number of colour
> at boot time. In PIPT system, the number is one, which
> makes whole VM logic works just as before. In VIPT
Not really, the number of coulours is also used for PIPT systems
(to make better use of caches), just in a sighly different way.
I think the MI VM system should be made aware of the cache type and
select is behavior (i.e. use colours only for PA allocation, or
VA+PA allocations) based on this.
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
NetBSD: 26 ans d'experience feront toujours la difference
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