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

From: William Lee Irwin III
Date: Fri Mar 02 2007 - 19:34:32 EST


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
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