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SubjectRe: [git pull] scheduler updates for v2.6.27, phase #2
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On Mon, 2008-07-21 at 13:16 -0700, Daniel Walker wrote:
> On Mon, 2008-07-21 at 21:23 +0200, Peter Zijlstra wrote:
>
> > Does this work for you?
> >
>
> Yours removed the warning .. I made an alternate one below only compile
> tested, your choice..

How about this one - it seems there is a whole scala of new division
instructions these days... :-)

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>


diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index 47ceac9..3c38686 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -253,7 +253,7 @@ static int do_balance_runtime(struct rt_rq *rt_rq)

diff = iter->rt_runtime - iter->rt_time;
if (diff > 0) {
- do_div(diff, weight);
+ diff = div_u64((u64)diff, weight);
if (rt_rq->rt_runtime + diff > rt_period)
diff = rt_period - rt_rq->rt_runtime;
iter->rt_runtime -= diff;



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