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SubjectRe: x86 status was Re: -mm merge plans for 2.6.23
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On Fri, 2007-07-13 at 19:23 +0200, Roman Zippel wrote:
> Hi,
>
> On Fri, 13 Jul 2007, Mike Galbraith wrote:
>
> > > The new scheduler does _a_lot_ of heavy 64 bit calculations without any
> > > attempt to scale that down a little...
> >
> > See prio_to_weight[], prio_to_wmult[] and sysctl_sched_stat_granularity.
> > Perhaps more can be done, but "without any attempt..." isn't accurate.
>
> Calculating these values at runtime would have been completely insane, the
> alternative would be a crummy approximation, so using a lookup table is
> actually a good thing. That's not the problem.

I meant see usage.

-Mike



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