bad NFS/UDP performance

[Robert Watson]

On Fri, 26 Sep 2008, Danny Braniss wrote:

> after more testing, it seems it's related to changes made between Aug 4 and 
> Aug 29 ie, a kernel built on Aug 4 works fine, Aug 29 is slow. I'l now try 
> and close the gap.

I think this is the best way forward -- skimming August changes, there are a 
number of candidate commits, including retuning of UDP hashes by mav, my 
rwlock changes, changes to mbuf chain handling, etc.

Thanks,

Robert N M Watson
Computer Laboratory
University of Cambridge