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SubjectRe: [PATCH] likely cleanup: revert unlikely in ll_back_merge_fn
On Tue 25-04-06 20:30:26, Jens Axboe wrote:
> On Tue, Apr 25 2006, Hua Zhong wrote:
> > With likely/unlikely profiling (see the recent patch dwalker@mvista.com
> > sent), on my not-so-busy-typical-development system it shows more than
> > 80K misses and no hits. So I guess it makes sense to revert.
> >
> > I don't know BIO code very well, but I hope this data is useful for the
> > experts.
>
> Well you'd want to optimize for the busy case, right, no point in
> optimizing for a more idle system.

Careful here... for battery-powered systems you may want to optimize
for idle system...
Pavel
--
Thanks, Sharp!
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