Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=77d9cc44b543fa831169e54c495ad06ef3a0c726
Commit: 77d9cc44b543fa831169e54c495ad06ef3a0c726
Parent: 8bc6767acb3236e0345e99cf198168e60e7ae456
Author: Ingo Molnar <[EMAIL PROTECTED]>
AuthorDate: Fri Nov 9 22:39:39 2007 +0100
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Fri Nov 9 22:39:39 2007 +0100
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 <[EMAIL PROTECTED]>
---
kernel/sched_fair.c | 25 +++++++++++++------------
1 files changed, 13 insertions(+), 12 deletions(-)
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 @@ static void check_preempt_wakeup(struct rq *rq, struct
task_struct *p)
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);
- }
-
- 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 (!sched_feat(WAKEUP_PREEMPT))
+ return;
- 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)
-
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