linux-kernel - [PATCH 7/7] sched/balancing: Update comments in 'struct sg_lb_stats' and 'struct sd_lb

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Date: Fri,  1 Mar 2024 12:09:51 +0100
From: Ingo Molnar <mingo@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Peter Zijlstra <peterz@...radead.org>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Dietmar Eggemann <dietmar.eggemann@....com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Valentin Schneider <vschneid@...hat.com>
Subject: [PATCH 7/7] sched/balancing: Update comments in 'struct sg_lb_stats' and 'struct sd_lb_stats'

- Align for readability
- Capitalize consistently

Signed-off-by: Ingo Molnar <mingo@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Vincent Guittot <vincent.guittot@...aro.org>
Cc: Dietmar Eggemann <dietmar.eggemann@....com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Valentin Schneider <vschneid@...hat.com>
---
 kernel/sched/fair.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 99495c93e094..4e58b9334d88 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -9433,17 +9433,17 @@ static void update_blocked_averages(int cpu)
 /********** Helpers for find_busiest_group ************************/
 
 /*
- * sg_lb_stats - stats of a sched_group required for load_balancing
+ * sg_lb_stats - stats of a sched_group required for load-balancing:
  */
 struct sg_lb_stats {
-	unsigned long avg_load;			/* Avg load across the CPUs of the group */
-	unsigned long group_load;		/* Total load over the CPUs of the group */
-	unsigned long group_capacity;
-	unsigned long group_util;		/* Total utilization over the CPUs of the group */
+	unsigned long avg_load;			/* Avg load            over the CPUs of the group */
+	unsigned long group_load;		/* Total load          over the CPUs of the group */
+	unsigned long group_capacity;		/* Capacity            over the CPUs of the group */
+	unsigned long group_util;		/* Total utilization   over the CPUs of the group */
 	unsigned long group_runnable;		/* Total runnable time over the CPUs of the group */
-	unsigned int sum_nr_running;		/* Nr of tasks running in the group */
+	unsigned int sum_nr_running;		/* Nr of all tasks running in the group */
 	unsigned int sum_h_nr_running;		/* Nr of CFS tasks running in the group */
-	unsigned int idle_cpus;
+	unsigned int idle_cpus;                 /* Nr of idle CPUs         in the group */
 	unsigned int group_weight;
 	enum group_type group_type;
 	unsigned int group_asym_packing;	/* Tasks should be moved to preferred CPU */
@@ -9456,8 +9456,7 @@ struct sg_lb_stats {
 };
 
 /*
- * sd_lb_stats - Structure to store the statistics of a sched_domain
- *		 during load balancing.
+ * sd_lb_stats - stats of a sched_domain required for load-balancing:
  */
 struct sd_lb_stats {
 	struct sched_group *busiest;		/* Busiest group in this sd */
@@ -9465,7 +9464,7 @@ struct sd_lb_stats {
 	unsigned long total_load;		/* Total load of all groups in sd */
 	unsigned long total_capacity;		/* Total capacity of all groups in sd */
 	unsigned long avg_load;			/* Average load across all groups in sd */
-	unsigned int prefer_sibling;		/* tasks should go to sibling first */
+	unsigned int prefer_sibling;		/* Tasks should go to sibling first */
 
 	struct sg_lb_stats busiest_stat;	/* Statistics of the busiest group */
 	struct sg_lb_stats local_stat;		/* Statistics of the local group */
-- 
2.40.1