Re: [patch] voluntary-preempt-2.6.8.1-P9

[K.R. Foley]

Ingo Molnar wrote:
> * Scott Wood <scott@xxxxxxxxxxx> wrote:
>
>
> > I have attached a port of the voluntary preempt patch to PPC and
> > PPC64.  The patch is against P7, but it applies against P8 as well.
>
>
> thanks Scott, i've applied your patch to my tree - all the changes and
> improvements look good (except for a small compilation problem on x86,
> asm/time.h doesnt exist there - asm/rtc.h does). The resulting code
> booted fine on an SMP and on a UP x86 system. I've uploaded -P9:
>
>   http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.8.1-P9
>
> (there are no other changes in -P9.)
>
> 	Ingo
> -

~254 usec latency seen in kswapd:

http://www.cybsft.com/testresults/2.6.8.1-P9/latency_trace2.txt



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