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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
sched: simplify __check_preempt_curr_fair()
Preparatory patch for fix-ideal-runtime:
simplify __check_preempt_curr_fair(): get rid of the integer return.
text data bss dec hex filename
13404 228 1204 14836 39f4 sched.o.before
13393 228 1204 14825 39e9 sched.o.after
functionality is unchanged.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
authored by Peter Zijlstra and committed by Ingo Molnar 7c92e54f cf2ab469
+3
-5
kernel/sched_fair.c
+3
-5
kernel/sched_fair.c
···
673
/*
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* Preempt the current task with a newly woken task if needed:
675
*/
676
-
static int
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__check_preempt_curr_fair(struct cfs_rq *cfs_rq, struct sched_entity *se,
678
struct sched_entity *curr, unsigned long granularity)
679
{
···
686
*/
687
if (__delta > niced_granularity(curr, granularity)) {
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resched_task(rq_of(cfs_rq)->curr);
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-
return 1;
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}
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-
return 0;
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}
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static inline void
···
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if (delta_exec > ideal_runtime)
764
gran = 0;
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766
-
if (__check_preempt_curr_fair(cfs_rq, next, curr, gran))
767
-
curr->prev_sum_exec_runtime = curr->sum_exec_runtime;
768
}
769
770
/**************************************************
···
673
/*
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* Preempt the current task with a newly woken task if needed:
675
*/
676
+
static void
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__check_preempt_curr_fair(struct cfs_rq *cfs_rq, struct sched_entity *se,
678
struct sched_entity *curr, unsigned long granularity)
679
{
···
686
*/
687
if (__delta > niced_granularity(curr, granularity)) {
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resched_task(rq_of(cfs_rq)->curr);
689
+
curr->prev_sum_exec_runtime = curr->sum_exec_runtime;
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}
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}
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static inline void
···
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if (delta_exec > ideal_runtime)
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gran = 0;
766
767
+
__check_preempt_curr_fair(cfs_rq, next, curr, gran);
768
}
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/**************************************************