Re: [patch 00/10] [RFC] SLUB patches for more functionality,performance and maintenance

[David Miller]

From: Christoph Lameter <clameter@xxxxxxx>
Date: Sat, 07 Jul 2007 20:49:52 -0700

> A cmpxchg is less costly than interrupt enabe/disable

This is cpu dependant, and in fact not true at all on Niagara
and several of the cpus in the UltraSPARC family.
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