svn commit: r197750 - head/sys/vm
Alan Cox
alc at cs.rice.edu
Tue Oct 6 08:01:58 UTC 2009
John Baldwin wrote:
>
> Do you care what is in the padding in this case or more about just
> having each mutex on a separate cache line? __aligned() is fine if
> you don't mind the padding getting reused for something else.
>
Yes, I care. I would also like to prevent the placement of the heads of
the active, inactive, and hold queues (vm_page_queues[]) in the same
cache line as the free page queue mutex.
Alan
More information about the svn-src-all
mailing list