Re: [patch 0/7] [RFC] SLUB: Improve allocpercpu to reduce per cpuaccess overhead

From: David Miller
Date: Wed Oct 31 2007 - 21:13:46 EST


From: Christoph Lameter <clameter@xxxxxxx>
Date: Wed, 31 Oct 2007 18:12:11 -0700 (PDT)

> On Wed, 31 Oct 2007, David Miller wrote:
>
> > All I can do now is bisect and then try to figure out what about the
> > guilty change might cause the problem.
>
> Reverting the 7th patch should avoid using the sparc register that caches
> the per cpu area offset? (I though so, does it?)

Yes, that's right, %g5 holds the local cpu's per-cpu offset.
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