svn commit: r191204 - in stable/7/sys: . contrib/pf dev/ath/ath_hal dev/cxgb vm

[John Baldwin]

On Friday 17 April 2009 11:35:16 am Alan Cox wrote:
> Author: alc
> Date: Fri Apr 17 15:35:16 2009
> New Revision: 191204
> URL: http://svn.freebsd.org/changeset/base/191204
> 
> Log:
>   MFC r175055
>     Defer setting either PG_CACHED or PG_FREE until after the free page
>     queues lock is acquired.  Otherwise, the state of a reservation's
>     pages' flags and its population count can be inconsistent.  That could
>     result in a page being freed twice.
>   
>   (This change should have been included in the MFC of the superpages
>   support.)
>   
>   Thanks to:	pho for an illuminating crash

Thanks.

Pointy hat to:	jhb

-- 
John Baldwin