linux-kernel - [PATCH v2 2/9] sched: Remove sched_schedstats sysctl out from under SCHED

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Message-ID: <20210412102001.161151631@infradead.org>
Date:   Mon, 12 Apr 2021 12:14:23 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     mingo@...nel.org, mgorman@...e.de, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        rostedt@...dmis.org, bsegall@...gle.com, bristot@...hat.com,
        joshdon@...gle.com, valentin.schneider@....com
Cc:     linux-kernel@...r.kernel.org, peterz@...radead.org, greg@...ah.com,
        linux@...musvillemoes.dk
Subject: [PATCH v2 2/9] sched: Remove sched_schedstats sysctl out from under SCHED_DEBUG

CONFIG_SCHEDSTATS does not depend on SCHED_DEBUG, it is inconsistent
to have the sysctl depend on it.

Suggested-by: Mel Gorman <mgorman@...e.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
---
 kernel/sysctl.c |   22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1711,17 +1711,6 @@ static struct ctl_table kern_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
-#ifdef CONFIG_SCHEDSTATS
-	{
-		.procname	= "sched_schedstats",
-		.data		= NULL,
-		.maxlen		= sizeof(unsigned int),
-		.mode		= 0644,
-		.proc_handler	= sysctl_schedstats,
-		.extra1		= SYSCTL_ZERO,
-		.extra2		= SYSCTL_ONE,
-	},
-#endif /* CONFIG_SCHEDSTATS */
 #endif /* CONFIG_SMP */
 #ifdef CONFIG_NUMA_BALANCING
 	{
@@ -1755,6 +1744,17 @@ static struct ctl_table kern_table[] = {
 	},
 #endif /* CONFIG_NUMA_BALANCING */
 #endif /* CONFIG_SCHED_DEBUG */
+#ifdef CONFIG_SCHEDSTATS
+	{
+		.procname	= "sched_schedstats",
+		.data		= NULL,
+		.maxlen		= sizeof(unsigned int),
+		.mode		= 0644,
+		.proc_handler	= sysctl_schedstats,
+		.extra1		= SYSCTL_ZERO,
+		.extra2		= SYSCTL_ONE,
+	},
+#endif /* CONFIG_SCHEDSTATS */
 #ifdef CONFIG_NUMA_BALANCING
 	{
 		.procname	= "numa_balancing",