sched/balancing: Rename rebalance_domains() => sched_balance_domains()

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

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Shrikanth Hegde <sshegde@linux.ibm.com>
Link: https://lore.kernel.org/r/20240308111819.1101550-5-mingo@kernel.org

diff --git a/Documentation/scheduler/sched-domains.rst b/Documentation/scheduler/sched-domains.rst
index c7ea05f4107bc072903005d0d9bed230932eb2a4..5d8e8b8b269e2ab5579aa8616b291b0f88ac3615 100644 (file)
--- a/Documentation/scheduler/sched-domains.rst
+++ b/Documentation/scheduler/sched-domains.rst
@@ -34,7 +34,7 @@ out of balance are tasks moved between groups.
 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
+balancing workhorse, sched_balance_softirq()->sched_balance_domains(), is then run
 in softirq context (SCHED_SOFTIRQ).
 
 The latter function takes two arguments: the runqueue of current CPU and whether

diff --git a/Documentation/translations/zh_CN/scheduler/sched-domains.rst b/Documentation/translations/zh_CN/scheduler/sched-domains.rst
index 1a8587a971f9ee918bb17e7d955e69f9b236915a..e6590fd8064073ef27ca93a1ed30368a0cefc7a1 100644 (file)
--- a/Documentation/translations/zh_CN/scheduler/sched-domains.rst
+++ b/Documentation/translations/zh_CN/scheduler/sched-domains.rst
@@ -36,7 +36,7 @@ CPU共享。任意两个组的CPU掩码的交集不一定为空，如果是这
 
 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
+的工作由sched_balance_softirq()->sched_balance_domains()完成，在软中断上下文中执行
 （SCHED_SOFTIRQ）。
 
 后一个函数有两个入参：当前CPU的运行队列、它在sched_tick()调用时是否空闲。函数会从

diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c
index ef0058de432bcfe65c2e1d726ded6ee1ecd973c7..2336ee2aa44a20882d851f33ed6307f2cf5dc5dd 100644 (file)
--- a/arch/arm/kernel/topology.c
+++ b/arch/arm/kernel/topology.c
@@ -42,7 +42,7 @@
  * can take this difference into account during load balance. A per cpu
  * structure is preferred because each CPU updates its own cpu_capacity field
  * during the load balance except for idle cores. One idle core is selected
- * to run the rebalance_domains for all idle cores and the cpu_capacity can be
+ * to run the sched_balance_domains for all idle cores and the cpu_capacity can be
  * updated during this sequence.
  */
 

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index e377b675920a43cab8c753466455ec213fb57a3b..330788b0c61707abebc30786db4ade4465a9d3e4 100644 (file)
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -11685,7 +11685,7 @@ static inline bool update_newidle_cost(struct sched_domain *sd, u64 cost)
  *
  * Balancing parameters are set up in init_sched_domains.
  */
-static void rebalance_domains(struct rq *rq, enum cpu_idle_type idle)
+static void sched_balance_domains(struct rq *rq, enum cpu_idle_type idle)
 {
        int continue_balancing = 1;
        int cpu = rq->cpu;
@@ -12161,7 +12161,7 @@ static void _nohz_idle_balance(struct rq *this_rq, unsigned int flags)
                        rq_unlock_irqrestore(rq, &rf);
 
                        if (flags & NOHZ_BALANCE_KICK)
-                               rebalance_domains(rq, CPU_IDLE);
+                               sched_balance_domains(rq, CPU_IDLE);
                }
 
                if (time_after(next_balance, rq->next_balance)) {
@@ -12422,7 +12422,7 @@ static __latent_entropy void sched_balance_softirq(struct softirq_action *h)
        /*
         * If this CPU has a pending NOHZ_BALANCE_KICK, then do the
         * balancing on behalf of the other idle CPUs whose ticks are
-        * stopped. Do nohz_idle_balance *before* rebalance_domains to
+        * stopped. Do nohz_idle_balance *before* sched_balance_domains to
         * give the idle CPUs a chance to load balance. Else we may
         * load balance only within the local sched_domain hierarchy
         * and abort nohz_idle_balance altogether if we pull some load.
@@ -12432,7 +12432,7 @@ static __latent_entropy void sched_balance_softirq(struct softirq_action *h)
 
        /* normal load balance */
        update_blocked_averages(this_rq->cpu);
-       rebalance_domains(this_rq, idle);
+       sched_balance_domains(this_rq, idle);
 }
 
 /*

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 5b0ddb0e60170ea860dfbd6249e46f1294985a8c..41024c1c49b4bb1248b80e9f5781e97d398a36ae 100644 (file)
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -2904,7 +2904,7 @@ extern void cfs_bandwidth_usage_dec(void);
 #define NOHZ_NEWILB_KICK_BIT   2
 #define NOHZ_NEXT_KICK_BIT     3
 
-/* Run rebalance_domains() */
+/* Run sched_balance_domains() */
 #define NOHZ_BALANCE_KICK      BIT(NOHZ_BALANCE_KICK_BIT)
 /* Update blocked load */
 #define NOHZ_STATS_KICK                BIT(NOHZ_STATS_KICK_BIT)