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Message-Id: <20240727105028.614707623@infradead.org>
Date: Sat, 27 Jul 2024 12:27:36 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: mingo@...hat.com,
peterz@...radead.org,
juri.lelli@...hat.com,
vincent.guittot@...aro.org,
dietmar.eggemann@....com,
rostedt@...dmis.org,
bsegall@...gle.com,
mgorman@...e.de,
vschneid@...hat.com,
linux-kernel@...r.kernel.org
Cc: kprateek.nayak@....com,
wuyun.abel@...edance.com,
youssefesmat@...omium.org,
tglx@...utronix.de,
efault@....de
Subject: [PATCH 04/24] sched/fair: Cleanup pick_task_fair()s curr
With 4c456c9ad334 ("sched/fair: Remove unused 'curr' argument from
pick_next_entity()") curr is no longer being used, so no point in
clearing it.
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
---
kernel/sched/fair.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -8427,15 +8427,9 @@ static struct task_struct *pick_task_fai
return NULL;
do {
- struct sched_entity *curr = cfs_rq->curr;
-
/* When we pick for a remote RQ, we'll not have done put_prev_entity() */
- if (curr) {
- if (curr->on_rq)
- update_curr(cfs_rq);
- else
- curr = NULL;
- }
+ if (cfs_rq->curr && cfs_rq->curr->on_rq)
+ update_curr(cfs_rq);
if (unlikely(check_cfs_rq_runtime(cfs_rq)))
goto again;
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