Re: The performance and behaviour of the anti-fragmentation related patches

William Lee Irwin III
2007-03-03T00:34:13Z

On Fri, Mar 02, 2007 at 02:22:56PM -0800, Andrew Morton wrote:
> Opterons seem to be particularly prone to lock starvation where a cacheline
> gets captured in a single package for ever.

AIUI that phenomenon is universal to NUMA. Maybe it's time we
reexamined our locking algorithms in the light of fairness
considerations.

-- wli