linux-kernel - [PATCH v3 3/3] sched/rt, dl: Convert functions to return bool

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Date: Tue, 28 May 2024 00:45:08 +0100
From: Qais Yousef <qyousef@...alina.io>
To: Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Juri Lelli <juri.lelli@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>
Cc: Vincent Guittot <vincent.guittot@...aro.org>,
	Daniel Bristot de Oliveira <bristot@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Christian Brauner <brauner@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jens Axboe <axboe@...nel.dk>,
	linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	Qais Yousef <qyousef@...alina.io>
Subject: [PATCH v3 3/3] sched/rt, dl: Convert functions to return bool

{rt, realtime, dl}_{task, prio}() functions return value is actually
a bool.  Convert their return type to reflect that.

Suggested-by: Steven Rostedt (Google) <rostedt@...dmis.org>
Signed-off-by: Qais Yousef <qyousef@...alina.io>
---
 include/linux/sched/deadline.h | 4 ++--
 include/linux/sched/rt.h       | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/linux/sched/deadline.h b/include/linux/sched/deadline.h
index 5cb88b748ad6..87d2370dd3db 100644
--- a/include/linux/sched/deadline.h
+++ b/include/linux/sched/deadline.h
@@ -10,7 +10,7 @@
 
 #include <linux/sched.h>
 
-static inline int dl_prio(int prio)
+static inline bool dl_prio(int prio)
 {
 	if (unlikely(prio < MAX_DL_PRIO))
 		return 1;
@@ -21,7 +21,7 @@ static inline int dl_prio(int prio)
  * Returns true if a task has a priority that belongs to DL class. PI-boosted
  * tasks will return true. Use dl_policy() to ignore PI-boosted tasks.
  */
-static inline int dl_task(struct task_struct *p)
+static inline bool dl_task(struct task_struct *p)
 {
 	return dl_prio(p->prio);
 }
diff --git a/include/linux/sched/rt.h b/include/linux/sched/rt.h
index a055dd68a77c..78da97cdac48 100644
--- a/include/linux/sched/rt.h
+++ b/include/linux/sched/rt.h
@@ -6,14 +6,14 @@
 
 struct task_struct;
 
-static inline int rt_prio(int prio)
+static inline bool rt_prio(int prio)
 {
 	if (unlikely(prio < MAX_RT_PRIO && prio >= MAX_DL_PRIO))
 		return 1;
 	return 0;
 }
 
-static inline int realtime_prio(int prio)
+static inline bool realtime_prio(int prio)
 {
 	if (unlikely(prio < MAX_RT_PRIO))
 		return 1;
@@ -24,7 +24,7 @@ static inline int realtime_prio(int prio)
  * Returns true if a task has a priority that belongs to RT class. PI-boosted
  * tasks will return true. Use rt_policy() to ignore PI-boosted tasks.
  */
-static inline int rt_task(struct task_struct *p)
+static inline bool rt_task(struct task_struct *p)
 {
 	return rt_prio(p->prio);
 }
@@ -34,7 +34,7 @@ static inline int rt_task(struct task_struct *p)
  * PI-boosted tasks will return true. Use realtime_task_policy() to ignore
  * PI-boosted tasks.
  */
-static inline int realtime_task(struct task_struct *p)
+static inline bool realtime_task(struct task_struct *p)
 {
 	return realtime_prio(p->prio);
 }
-- 
2.34.1