pde.demotions counts even if pg_ps disabled

[John Baldwin]

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