From: Peter Zijlstra Date: Wed, 5 Sep 2007 12:32:49 +0000 (+0200) Subject: sched: simplify __check_preempt_curr_fair() X-Git-Tag: firefly_0821_release~26581^2~2 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7c92e54f6f9601cfa9d8894ee248abcf62ed9a1c;p=firefly-linux-kernel-4.4.55.git 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 Signed-off-by: Ingo Molnar --- diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index bac2aff8273c..f0dd4be1a3a4 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -673,7 +673,7 @@ dequeue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int sleep) /* * Preempt the current task with a newly woken task if needed: */ -static int +static void __check_preempt_curr_fair(struct cfs_rq *cfs_rq, struct sched_entity *se, struct sched_entity *curr, unsigned long granularity) { @@ -686,9 +686,8 @@ __check_preempt_curr_fair(struct cfs_rq *cfs_rq, struct sched_entity *se, */ if (__delta > niced_granularity(curr, granularity)) { resched_task(rq_of(cfs_rq)->curr); - return 1; + curr->prev_sum_exec_runtime = curr->sum_exec_runtime; } - return 0; } static inline void @@ -764,8 +763,7 @@ static void entity_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr) if (delta_exec > ideal_runtime) gran = 0; - if (__check_preempt_curr_fair(cfs_rq, next, curr, gran)) - curr->prev_sum_exec_runtime = curr->sum_exec_runtime; + __check_preempt_curr_fair(cfs_rq, next, curr, gran); } /**************************************************