linux-kernel - [PATCH 03/15] sched/headers: Add header guard to kernel/sched/stats.h and kernel/sched/autogroup.h

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Date:   Tue, 15 Mar 2022 09:42:35 +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>,
        Juri Lelli <juri.lelli@...hat.com>,
        Andy Lutomirski <luto@...capital.net>,
        Mel Gorman <mgorman@...e.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Borislav Petkov <bp@...en8.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH 03/15] sched/headers: Add header guard to kernel/sched/stats.h and kernel/sched/autogroup.h

Protect against multiple inclusion.

Also include "sched.h" in "stat.h", as it relies on it.

Signed-off-by: Ingo Molnar <mingo@...nel.org>
Reviewed-by: Peter Zijlstra <peterz@...radead.org>
---
 kernel/sched/autogroup.h | 5 +++++
 kernel/sched/stats.h     | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/kernel/sched/autogroup.h b/kernel/sched/autogroup.h
index 90fcbfdd70c3..90d69f2c5eaf 100644
--- a/kernel/sched/autogroup.h
+++ b/kernel/sched/autogroup.h
@@ -1,4 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _KERNEL_SCHED_AUTOGROUP_H
+#define _KERNEL_SCHED_AUTOGROUP_H
+
 #ifdef CONFIG_SCHED_AUTOGROUP
 
 struct autogroup {
@@ -59,3 +62,5 @@ static inline int autogroup_path(struct task_group *tg, char *buf, int buflen)
 }
 
 #endif /* CONFIG_SCHED_AUTOGROUP */
+
+#endif /* _KERNEL_SCHED_AUTOGROUP_H */
diff --git a/kernel/sched/stats.h b/kernel/sched/stats.h
index 3a3c826dd83a..edc0d13fc61b 100644
--- a/kernel/sched/stats.h
+++ b/kernel/sched/stats.h
@@ -1,7 +1,11 @@
 /* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _KERNEL_STATS_H
+#define _KERNEL_STATS_H
 
 #ifdef CONFIG_SCHEDSTATS
 
+#include "sched.h"
+
 extern struct static_key_false sched_schedstats;
 
 /*
@@ -298,3 +302,5 @@ sched_info_switch(struct rq *rq, struct task_struct *prev, struct task_struct *n
 # define sched_info_dequeue(rq, t)	do { } while (0)
 # define sched_info_switch(rq, t, next)	do { } while (0)
 #endif /* CONFIG_SCHED_INFO */
+
+#endif /* _KERNEL_STATS_H */
-- 
2.32.0