sched: Remove redundant test in check_preempt_tick()
The caller already checks for nr_running > 1, therefore we don't have to do so again. Signed-off-by: Wang Xingchao <xingchao.wang@intel.com> Reviewed-by: Paul Turner <pjt@google.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1316194552-12019-1-git-send-email-xingchao.wang@intel.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -1106,6 +1106,8 @@ static void
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check_preempt_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr)
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{
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unsigned long ideal_runtime, delta_exec;
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struct sched_entity *se;
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s64 delta;
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ideal_runtime = sched_slice(cfs_rq, curr);
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delta_exec = curr->sum_exec_runtime - curr->prev_sum_exec_runtime;
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@ -1127,9 +1129,8 @@ check_preempt_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr)
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if (delta_exec < sysctl_sched_min_granularity)
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return;
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if (cfs_rq->nr_running > 1) {
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struct sched_entity *se = __pick_first_entity(cfs_rq);
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s64 delta = curr->vruntime - se->vruntime;
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se = __pick_first_entity(cfs_rq);
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delta = curr->vruntime - se->vruntime;
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if (delta < 0)
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return;
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@ -1137,7 +1138,6 @@ check_preempt_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr)
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if (delta > ideal_runtime)
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resched_task(rq_of(cfs_rq)->curr);
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}
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}
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static void
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set_next_entity(struct cfs_rq *cfs_rq, struct sched_entity *se)
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