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* [PATCH] sched: Remove unused last_load_update_tick rq member
@ 2020-03-20 13:21 vincent.donnefort
  2020-03-20 13:44 ` Dietmar Eggemann
  2020-04-08 12:20 ` [tip: sched/urgent] sched/core: Remove unused rq::last_load_update_tick tip-bot2 for Vincent Donnefort
  0 siblings, 2 replies; 4+ messages in thread
From: vincent.donnefort @ 2020-03-20 13:21 UTC (permalink / raw)
  To: mingo, peterz
  Cc: linux-kernel, dietmar.eggemann, valentin.schneider, Vincent Donnefort

From: Vincent Donnefort <vincent.donnefort@arm.com>

The commit 5e83eafbfd3b ("sched/fair: Remove the rq->cpu_load[] update
code") eliminated the use case for rq->last_load_update_tick. Removing
it.

Signed-off-by: Vincent Donnefort <vincent.donnefort@arm.com>

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 1a9983d..c41ee26 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -6685,7 +6685,6 @@ void __init sched_init(void)
 
 		rq_attach_root(rq, &def_root_domain);
 #ifdef CONFIG_NO_HZ_COMMON
-		rq->last_load_update_tick = jiffies;
 		rq->last_blocked_load_update_tick = jiffies;
 		atomic_set(&rq->nohz_flags, 0);
 #endif
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 9ea6478..6e14fad 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -860,7 +860,6 @@ struct rq {
 #endif
 #ifdef CONFIG_NO_HZ_COMMON
 #ifdef CONFIG_SMP
-	unsigned long		last_load_update_tick;
 	unsigned long		last_blocked_load_update_tick;
 	unsigned int		has_blocked_load;
 #endif /* CONFIG_SMP */
-- 
2.7.4


^ permalink raw reply	[flat|nested] 4+ messages in thread

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Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-03-20 13:21 [PATCH] sched: Remove unused last_load_update_tick rq member vincent.donnefort
2020-03-20 13:44 ` Dietmar Eggemann
2020-03-20 13:57   ` Vincent Guittot
2020-04-08 12:20 ` [tip: sched/urgent] sched/core: Remove unused rq::last_load_update_tick tip-bot2 for Vincent Donnefort

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