Messages in this thread | | | Date | Tue, 24 May 2011 16:17:39 +0800 | Subject | Re: [PATCH] sched: remove noop in next_prio() | From | Yong Zhang <> |
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On Sat, May 21, 2011 at 10:19 PM, Hillf Danton <dhillf@gmail.com> wrote: > When computing the next priority for a given run-queue, the check for > RT priority of the task determined by the pick_next_highest_task_rt() > function could be removed, since only RT task is returned by the > function. > > Signed-off-by: Hillf Danton <dhillf@gmail.com>
Yup, it's true.
Reviewed-by: Yong Zhang <yong.zhang0@gmail.com>
> --- > > --- a/kernel/sched_rt.c 2011-04-27 11:48:50.000000000 +0800 > +++ b/kernel/sched_rt.c 2011-05-21 22:10:34.000000000 +0800 > @@ -670,7 +670,7 @@ static inline int next_prio(struct rq *r > { > struct task_struct *next = pick_next_highest_task_rt(rq, rq->cpu); > > - if (next && rt_prio(next->prio)) > + if (next) > return next->prio; > else > return MAX_RT_PRIO; >
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