linux-kernel - [PATCH 03/13] sched/balancing: Rename trigger_load_balance() => sched_balance

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Message-Id: <20240308111819.1101550-4-mingo@kernel.org>
Date: Fri,  8 Mar 2024 12:18:09 +0100
From: Ingo Molnar <mingo@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Dietmar Eggemann <dietmar.eggemann@....com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Shrikanth Hegde <sshegde@...ux.ibm.com>,
	Valentin Schneider <vschneid@...hat.com>,
	Vincent Guittot <vincent.guittot@...aro.org>
Subject: [PATCH 03/13] sched/balancing: Rename trigger_load_balance() => sched_balance_trigger()

Standardize scheduler load-balancing function names on the
sched_balance_() prefix.

Signed-off-by: Ingo Molnar <mingo@...nel.org>
Cc: Dietmar Eggemann <dietmar.eggemann@....com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Shrikanth Hegde <sshegde@...ux.ibm.com>
Cc: Valentin Schneider <vschneid@...hat.com>
Cc: Vincent Guittot <vincent.guittot@...aro.org>
---
 Documentation/scheduler/sched-domains.rst                    | 2 +-
 Documentation/translations/zh_CN/scheduler/sched-domains.rst | 2 +-
 kernel/sched/core.c                                          | 2 +-
 kernel/sched/fair.c                                          | 2 +-
 kernel/sched/sched.h                                         | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/Documentation/scheduler/sched-domains.rst b/Documentation/scheduler/sched-domains.rst
index 541d6c617971..c7ea05f4107b 100644
--- a/Documentation/scheduler/sched-domains.rst
+++ b/Documentation/scheduler/sched-domains.rst
@@ -31,7 +31,7 @@ is treated as one entity. The load of a group is defined as the sum of the
 load of each of its member CPUs, and only when the load of a group becomes
 out of balance are tasks moved between groups.
 
-In kernel/sched/core.c, trigger_load_balance() is run periodically on each CPU
+In kernel/sched/core.c, sched_balance_trigger() is run periodically on each CPU
 through sched_tick(). It raises a softirq after the next regularly scheduled
 rebalancing event for the current runqueue has arrived. The actual load
 balancing workhorse, sched_balance_softirq()->rebalance_domains(), is then run
diff --git a/Documentation/translations/zh_CN/scheduler/sched-domains.rst b/Documentation/translations/zh_CN/scheduler/sched-domains.rst
index fa0c0bcc6ba5..1a8587a971f9 100644
--- a/Documentation/translations/zh_CN/scheduler/sched-domains.rst
+++ b/Documentation/translations/zh_CN/scheduler/sched-domains.rst
@@ -34,7 +34,7 @@ CPU共享。任意两个组的CPU掩码的交集不一定为空，如果是这
 调度域中的负载均衡发生在调度组中。也就是说，每个组被视为一个实体。组的负载被定义为它
 管辖的每个CPU的负载之和。仅当组的负载不均衡后，任务才在组之间发生迁移。
 
-在kernel/sched/core.c中，trigger_load_balance()在每个CPU上通过sched_tick()
+在kernel/sched/core.c中，sched_balance_trigger()在每个CPU上通过sched_tick()
 周期执行。在当前运行队列下一个定期调度再平衡事件到达后，它引发一个软中断。负载均衡真正
 的工作由sched_balance_softirq()->rebalance_domains()完成，在软中断上下文中执行
 （SCHED_SOFTIRQ）。
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 3affa9a6b249..d56ebe8230bc 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5689,7 +5689,7 @@ void sched_tick(void)
 
 #ifdef CONFIG_SMP
 	rq->idle_balance = idle_cpu(cpu);
-	trigger_load_balance(rq);
+	sched_balance_trigger(rq);
 #endif
 }
 
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 953f39deb68e..e377b675920a 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -12438,7 +12438,7 @@ static __latent_entropy void sched_balance_softirq(struct softirq_action *h)
 /*
  * Trigger the SCHED_SOFTIRQ if it is time to do periodic load balancing.
  */
-void trigger_load_balance(struct rq *rq)
+void sched_balance_trigger(struct rq *rq)
 {
 	/*
 	 * Don't need to rebalance while attached to NULL domain or
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index d2242679239e..5b0ddb0e6017 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -2397,7 +2397,7 @@ extern struct task_struct *pick_next_task_idle(struct rq *rq);
 
 extern void update_group_capacity(struct sched_domain *sd, int cpu);
 
-extern void trigger_load_balance(struct rq *rq);
+extern void sched_balance_trigger(struct rq *rq);
 
 extern void set_cpus_allowed_common(struct task_struct *p, struct affinity_context *ctx);
 
-- 
2.40.1