cvs commit: src/sys/amd64/amd64 pmap.c
jhb at freebsd.org
Mon Jul 28 21:43:08 UTC 2008
On Sunday 27 July 2008 01:32:36 pm Alan Cox wrote:
> alc 2008-07-27 17:32:36 UTC
> FreeBSD src repository
> Modified files:
> sys/amd64/amd64 pmap.c
> SVN rev 180845 on 2008-07-27 17:32:36Z by alc
> Enhance pmap_change_attr(). Use pmap_demote_pde() to demote a 2MB page
> mapping to 4KB page mappings when the specified attribute change only
> applies to a portion of the 2MB page. Previously, in such cases,
> pmap_change_attr() gave up and returned an error.
> Submitted by: Magesh Dhasayyan
Woo, thanks for taking care of this!
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