On Tue, Jun 05, 2007 at 09:07:55AM -0700, Jason Thorpe wrote:
> >So doesn't appear to be an IPI or general MP issue.
> 
> And what does PIPE_SOCKETPAIR (or whatever that kernel option is  
> called) result in?

I can't answer that, but hopefully simon won't mind if I mention that
he also ran the test on a PowerPC system and saw that page loaning
in the pipe helped on that platform.  He might be able to share more
details about which specific platform that was, etc.

-allen

-- 
Allen Briggs  |  http://www.ninthwonder.com/~briggs/  |  briggs@ninthwonder.com