sched: clean up the wakeup preempt check
clean up the wakeup preemption check. No code changed:
text data bss dec hex filename
44227 3326 36 47589 b9e5 sched.o.before
44227 3326 36 47589 b9e5 sched.o.after
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index a3badf5..d558716 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -852,20 +852,21 @@
if (unlikely(p->policy == SCHED_BATCH))
return;
- if (sched_feat(WAKEUP_PREEMPT)) {
- while (!is_same_group(se, pse)) {
- se = parent_entity(se);
- pse = parent_entity(pse);
- }
+ if (!sched_feat(WAKEUP_PREEMPT))
+ return;
- delta = se->vruntime - pse->vruntime;
- gran = sysctl_sched_wakeup_granularity;
- if (unlikely(se->load.weight != NICE_0_LOAD))
- gran = calc_delta_fair(gran, &se->load);
-
- if (delta > gran)
- resched_task(curr);
+ while (!is_same_group(se, pse)) {
+ se = parent_entity(se);
+ pse = parent_entity(pse);
}
+
+ delta = se->vruntime - pse->vruntime;
+ gran = sysctl_sched_wakeup_granularity;
+ if (unlikely(se->load.weight != NICE_0_LOAD))
+ gran = calc_delta_fair(gran, &se->load);
+
+ if (delta > gran)
+ resched_task(curr);
}
static struct task_struct *pick_next_task_fair(struct rq *rq)