Commit 10b77724 authored Nov 09, 2007 by Peter Zijlstra Committed by Ingo Molnar Nov 09, 2007

sched: fix vslice



vslice was missing a factor NICE_0_LOAD, as weight is in
weight*NICE_0_LOAD units.

the effect of this bug was larger initial slices and
thus latency-noisier forks.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent dbeeb816

kernel/sched_fair.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -259,6 +259,7 @@ static u64 __sched_vslice(unsigned long rq_weight, unsigned long nr_running)
		{
		u64 vslice = __sched_period(nr_running);

		vslice *= NICE_0_LOAD;
		do_div(vslice, rq_weight);

		return vslice;