linux-kernel - [PATCH 16/43] sched: Clean up and standardize #if/#else/#endif markers in sched/stats.[ch]

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Message-ID: <20250528080924.2273858-17-mingo@kernel.org>
Date: Wed, 28 May 2025 10:08:57 +0200
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>,
	Thomas Gleixner <tglx@...utronix.de>,
	Valentin Schneider <vschneid@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Mel Gorman <mgorman@...e.de>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Ingo Molnar <mingo@...nel.org>,
	Juri Lelli <juri.lelli@...hat.com>
Subject: [PATCH 16/43] sched: Clean up and standardize #if/#else/#endif markers in sched/stats.[ch]

 - Use the standard #ifdef marker format for larger blocks,
   where appropriate:

        #if CONFIG_FOO
        ...
        #else /* !CONFIG_FOO: */
        ...
        #endif /* !CONFIG_FOO */

Signed-off-by: Ingo Molnar <mingo@...nel.org>
Cc: Dietmar Eggemann <dietmar.eggemann@....com>
Cc: Juri Lelli <juri.lelli@...hat.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Mel Gorman <mgorman@...e.de>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Shrikanth Hegde <sshegde@...ux.ibm.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Valentin Schneider <vschneid@...hat.com>
Cc: Vincent Guittot <vincent.guittot@...aro.org>
---
 kernel/sched/stats.c |  2 +-
 kernel/sched/stats.h | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/kernel/sched/stats.c b/kernel/sched/stats.c
index 4346fd81c31f..def01886e93f 100644
--- a/kernel/sched/stats.c
+++ b/kernel/sched/stats.c
@@ -163,7 +163,7 @@ static int show_schedstat(struct seq_file *seq, void *v)
 			    sd->ttwu_move_balance);
 		}
 		rcu_read_unlock();
-#endif
+#endif /* CONFIG_SMP */
 	}
 	return 0;
 }
diff --git a/kernel/sched/stats.h b/kernel/sched/stats.h
index 452826df6ae1..26f3fd4d34ce 100644
--- a/kernel/sched/stats.h
+++ b/kernel/sched/stats.h
@@ -112,10 +112,10 @@ void psi_task_switch(struct task_struct *prev, struct task_struct *next,
 		     bool sleep);
 #ifdef CONFIG_IRQ_TIME_ACCOUNTING
 void psi_account_irqtime(struct rq *rq, struct task_struct *curr, struct task_struct *prev);
-#else
+#else /* !CONFIG_IRQ_TIME_ACCOUNTING: */
 static inline void psi_account_irqtime(struct rq *rq, struct task_struct *curr,
 				       struct task_struct *prev) {}
-#endif /*CONFIG_IRQ_TIME_ACCOUNTING */
+#endif /* !CONFIG_IRQ_TIME_ACCOUNTING */
 /*
  * PSI tracks state that persists across sleeps, such as iowaits and
  * memory stalls. As a result, it has to distinguish between sleeps,
@@ -220,7 +220,7 @@ static inline void psi_sched_switch(struct task_struct *prev,
 	psi_task_switch(prev, next, sleep);
 }
 
-#else /* CONFIG_PSI */
+#else /* !CONFIG_PSI: */
 static inline void psi_enqueue(struct task_struct *p, bool migrate) {}
 static inline void psi_dequeue(struct task_struct *p, bool migrate) {}
 static inline void psi_ttwu_dequeue(struct task_struct *p) {}
@@ -229,7 +229,7 @@ static inline void psi_sched_switch(struct task_struct *prev,
 				    bool sleep) {}
 static inline void psi_account_irqtime(struct rq *rq, struct task_struct *curr,
 				       struct task_struct *prev) {}
-#endif /* CONFIG_PSI */
+#endif /* !CONFIG_PSI */
 
 #ifdef CONFIG_SCHED_INFO
 /*
@@ -334,6 +334,6 @@ sched_info_switch(struct rq *rq, struct task_struct *prev, struct task_struct *n
 # define sched_info_enqueue(rq, t)	do { } while (0)
 # define sched_info_dequeue(rq, t)	do { } while (0)
 # define sched_info_switch(rq, t, next)	do { } while (0)
-#endif /* CONFIG_SCHED_INFO */
+#endif /* !CONFIG_SCHED_INFO */
 
 #endif /* _KERNEL_STATS_H */
-- 
2.45.2