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

[Alan Cox]

John Baldwin wrote:
> 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
>
>   

I think that your bravery to even attempt the MFC absolves you of 
several pointy hats.  I was too chicken.  :-)

Alan