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sched/rt: Code cleanup, remove a redundant function call

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The second call to sched_rt_period() is redundant, because the value of the
rt_runtime was already read and it was protected by the ->rt_runtime_lock.

Signed-off-by: Shan Hai <haishan.bai@gmail.com>
Reviewed-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1322535836-13590-2-git-send-email-haishan.bai@gmail.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Shan Hai 2011-11-29 11:03:56 +08:00 committed by Ingo Molnar
parent 4d78a2239e
commit 5b680fd613
1 changed files with 1 additions and 1 deletions
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2
kernel/sched/rt.c
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@ -846,7 +846,7 @@ static int sched_rt_runtime_exceeded(struct rt_rq *rt_rq)
if (rt_rq->rt_throttled) if (rt_rq->rt_throttled)
return rt_rq_throttled(rt_rq); return rt_rq_throttled(rt_rq);
if (sched_rt_runtime(rt_rq) >= sched_rt_period(rt_rq)) if (runtime >= sched_rt_period(rt_rq))
return 0; return 0;
balance_runtime(rt_rq); balance_runtime(rt_rq);