linux-kernel - [PATCH 04/10] nohz: Remove useless argument on tick_nohz_task

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Message-Id: <1437669735-8786-5-git-send-email-fweisbec@gmail.com>
Date:	Thu, 23 Jul 2015 18:42:09 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Preeti U Murthy <preeti@...ux.vnet.ibm.com>,
	Christoph Lameter <cl@...ux.com>,
	Ingo Molnar <mingo@...nel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Rik van Riel <riel@...hat.com>
Subject: [PATCH 04/10] nohz: Remove useless argument on tick_nohz_task_switch()

Leftover from early code.

Cc: Christoph Lameter <cl@...ux.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Preeti U Murthy <preeti@...ux.vnet.ibm.com>
Cc: Rik van Riel <riel@...hat.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Viresh Kumar <viresh.kumar@...aro.org>
Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
---
 include/linux/tick.h     | 8 ++++----
 kernel/sched/core.c      | 2 +-
 kernel/time/tick-sched.c | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/linux/tick.h b/include/linux/tick.h
index 7d35b0f..48d901f 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -150,7 +150,7 @@ static inline void tick_nohz_full_add_cpus_to(struct cpumask *mask)
 extern void tick_nohz_full_kick(void);
 extern void tick_nohz_full_kick_cpu(int cpu);
 extern void tick_nohz_full_kick_all(void);
-extern void __tick_nohz_task_switch(struct task_struct *tsk);
+extern void __tick_nohz_task_switch(void);
 #else
 static inline bool tick_nohz_full_enabled(void) { return false; }
 static inline bool tick_nohz_full_cpu(int cpu) { return false; }
@@ -158,7 +158,7 @@ static inline void tick_nohz_full_add_cpus_to(struct cpumask *mask) { }
 static inline void tick_nohz_full_kick_cpu(int cpu) { }
 static inline void tick_nohz_full_kick(void) { }
 static inline void tick_nohz_full_kick_all(void) { }
-static inline void __tick_nohz_task_switch(struct task_struct *tsk) { }
+static inline void __tick_nohz_task_switch(void) { }
 #endif
 
 static inline const struct cpumask *housekeeping_cpumask(void)
@@ -188,10 +188,10 @@ static inline void housekeeping_affine(struct task_struct *t)
 #endif
 }
 
-static inline void tick_nohz_task_switch(struct task_struct *tsk)
+static inline void tick_nohz_task_switch(void)
 {
 	if (tick_nohz_full_enabled())
-		__tick_nohz_task_switch(tsk);
+		__tick_nohz_task_switch();
 }
 
 #endif
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 78b4bad10..4d34035 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2489,7 +2489,7 @@ static struct rq *finish_task_switch(struct task_struct *prev)
 		put_task_struct(prev);
 	}
 
-	tick_nohz_task_switch(current);
+	tick_nohz_task_switch();
 	return rq;
 }
 
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 6b0d14d..3319e16 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -258,7 +258,7 @@ void tick_nohz_full_kick_all(void)
  * It might need the tick due to per task/process properties:
  * perf events, posix cpu timers, ...
  */
-void __tick_nohz_task_switch(struct task_struct *tsk)
+void __tick_nohz_task_switch(void)
 {
 	unsigned long flags;
 
-- 
2.1.4

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