cvs commit: src/sys/amd64/amd64 pmap.c

John Baldwin 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 
>   Log:
>   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!

-- 
John Baldwin


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