atom feed2 messages in org.freebsd.freebsd-stableRe: pde.demotions counts even if pg_p...
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pluknetJun 30, 2010 4:28 am 
John BaldwinJun 30, 2010 6:36 am 
Subject:Re: pde.demotions counts even if pg_ps disabled
From:John Baldwin (jh@freebsd.org)
Date:Jun 30, 2010 6:36:00 am
List:org.freebsd.freebsd-stable

On Wednesday 30 June 2010 7:28:50 am pluknet wrote:

HI.

This is 7.3-RELEASE-p1 right after boot. Looks like pmap_demote_pde is not properly protected w/ pg_ps_enabled.

The direct map always uses superpages, but we may demote a superpage in the direct map due to conflict caching attributes (all PCI BARs are mapped UC for example).

-- John Baldwin

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