linux-kernel - [PATCH] Remove cpuset_update_active

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Message-Id: <20170409013614.7138-1-rakib.mullick@gmail.com>
Date:   Sun,  9 Apr 2017 07:36:14 +0600
From:   Rakib Mullick <rakib.mullick@...il.com>
To:     linux-kernel@...r.kernel.org, mingo@...hat.com, tj@...nel.org
Cc:     Rakib Mullick <rakib.mullick@...il.com>, cgroups@...r.kernel.org,
        akpm@...ux-foundation.org, peterz@...radead.org, lizefan@...wei.com
Subject: [PATCH]  Remove cpuset_update_active_cpus()'s parameter.

In cpuset_update_active_cpus(), cpu_online isn't used anymore. Remove
it.

Signed-off-by: Rakib Mullick<rakib.mullick@...il.com>
---
 include/linux/cpuset.h | 4 ++--
 kernel/cgroup/cpuset.c | 2 +-
 kernel/sched/core.c    | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index 611fce5..119a3f9 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -42,7 +42,7 @@ static inline void cpuset_dec(void)
 
 extern int cpuset_init(void);
 extern void cpuset_init_smp(void);
-extern void cpuset_update_active_cpus(bool cpu_online);
+extern void cpuset_update_active_cpus(void);
 extern void cpuset_cpus_allowed(struct task_struct *p, struct cpumask *mask);
 extern void cpuset_cpus_allowed_fallback(struct task_struct *p);
 extern nodemask_t cpuset_mems_allowed(struct task_struct *p);
@@ -155,7 +155,7 @@ static inline bool cpusets_enabled(void) { return false; }
 static inline int cpuset_init(void) { return 0; }
 static inline void cpuset_init_smp(void) {}
 
-static inline void cpuset_update_active_cpus(bool cpu_online)
+static inline void cpuset_update_active_cpus(void)
 {
 	partition_sched_domains(1, NULL, NULL);
 }
diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index 0f41292..d6e8ded 100644
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -2354,7 +2354,7 @@ static void cpuset_hotplug_workfn(struct work_struct *work)
 		rebuild_sched_domains();
 }
 
-void cpuset_update_active_cpus(bool cpu_online)
+void cpuset_update_active_cpus(void)
 {
 	/*
 	 * We're inside cpu hotplug critical region which usually nests
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 3b31fc0..430b046 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5732,7 +5732,7 @@ static void cpuset_cpu_active(void)
 		 * cpuset configurations.
 		 */
 	}
-	cpuset_update_active_cpus(true);
+	cpuset_update_active_cpus();
 }
 
 static int cpuset_cpu_inactive(unsigned int cpu)
@@ -5755,7 +5755,7 @@ static int cpuset_cpu_inactive(unsigned int cpu)
 
 		if (overflow)
 			return -EBUSY;
-		cpuset_update_active_cpus(false);
+		cpuset_update_active_cpus();
 	} else {
 		num_cpus_frozen++;
 		partition_sched_domains(1, NULL, NULL);
-- 
2.9.3