On Sat, 7 Jul 2007, David Miller wrote:
> From: Christoph Lameter <[email protected]>
> 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.
Hmmm... So have alternate aloc/free paths depending on the cpu?
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