tick_nohz_task_switch() and __tick_nohz_task_switch() routines get task_struct passed to them (always for the 'current' task), but they never use it. Remove it.
Signed-off-by: Viresh Kumar viresh.kumar@linaro.org --- 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 801e844..1065a51 100644 --- a/include/linux/tick.h +++ b/include/linux/tick.h @@ -201,7 +201,7 @@ extern void tick_nohz_init(void); extern void __tick_nohz_full_check(void); extern void tick_nohz_full_kick(void); 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 void tick_nohz_init(void) { } static inline bool tick_nohz_full_enabled(void) { return false; } @@ -209,7 +209,7 @@ static inline bool tick_nohz_full_cpu(int cpu) { return false; } static inline void __tick_nohz_full_check(void) { } 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 void tick_nohz_full_check(void) @@ -218,10 +218,10 @@ static inline void tick_nohz_full_check(void) __tick_nohz_full_check(); }
-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(); }
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 13299c5..84dc349 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2156,7 +2156,7 @@ static void finish_task_switch(struct rq *rq, struct task_struct *prev) put_task_struct(prev); }
- tick_nohz_task_switch(current); + tick_nohz_task_switch(); }
#ifdef CONFIG_SMP diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index ee0768b..5f7796d 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -266,7 +266,7 @@ 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;