PERFORCE change 155554 for review

[Mayur]

Hi Ed,
This work is not targeted to reduce the contention but this seems an
interesting problem. Will look in to it.

--
Mayur

On Thu, Jan 1, 2009 at 6:18 AM, Ed Schouten <ed at 80386.nl> wrote:

> Hello Mayur,
>
> I don't know a lot about our VM subsystem, but I've got a question about
> your work. Some time ago I ran a `buildkernel' with lock profiling
> enabled and saw the following results (sorted by `wait_total'):
>
>        http://80386.nl/files/lock-profiling-buildkernel.txt
>
> It seems to me that the "vm page queue mutex" is clearly one of the most
> contended locks inside the kernel. Is your work also targeted to reduce
> this contention?
>
> Happy 2009!
>
> --
>  Ed Schouten <ed at 80386.nl>
>  WWW: http://80386.nl/
>