linux-kernel - [PATCH 3/7] kernel/cpuset: current_cpuset_is_being

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Message-Id: <1513266622-15860-4-git-send-email-baiyaowei@cmss.chinamobile.com>
Date:   Thu, 14 Dec 2017 10:50:18 -0500
From:   Yaowei Bai <baiyaowei@...s.chinamobile.com>
To:     akpm@...ux-foundation.org, rdunlap@...radead.org,
        rientjes@...gle.com, joe@...ches.com
Cc:     linux-kernel@...r.kernel.org, baiyaowei@...s.chinamobile.com
Subject: [PATCH 3/7] kernel/cpuset: current_cpuset_is_being_rebound can be  boolean

This patch makes current_cpuset_is_being_rebound return bool due to
this particular function only using either one or zero as its return
value.

No functional change.

Signed-off-by: Yaowei Bai <baiyaowei@...s.chinamobile.com>
---
 include/linux/cpuset.h | 6 +++---
 kernel/cgroup/cpuset.c | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index 1b8e415..934633a 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -112,7 +112,7 @@ static inline int cpuset_do_slab_mem_spread(void)
 	return task_spread_slab(current);
 }
 
-extern int current_cpuset_is_being_rebound(void);
+extern bool current_cpuset_is_being_rebound(void);
 
 extern void rebuild_sched_domains(void);
 
@@ -247,9 +247,9 @@ static inline int cpuset_do_slab_mem_spread(void)
 	return 0;
 }
 
-static inline int current_cpuset_is_being_rebound(void)
+static inline bool current_cpuset_is_being_rebound(void)
 {
-	return 0;
+	return false;
 }
 
 static inline void rebuild_sched_domains(void)
diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index f7efa7b..b42037e 100644
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -1254,9 +1254,9 @@ static int update_nodemask(struct cpuset *cs, struct cpuset *trialcs,
 	return retval;
 }
 
-int current_cpuset_is_being_rebound(void)
+bool current_cpuset_is_being_rebound(void)
 {
-	int ret;
+	bool ret;
 
 	rcu_read_lock();
 	ret = task_cs(current) == cpuset_being_rebound;
-- 
1.8.3.1