diff options
Diffstat (limited to 'kernel/time/timer.c')
| -rw-r--r-- | kernel/time/timer.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/time/timer.c b/kernel/time/timer.c index d530f72b32f9..48150ab42de9 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -210,7 +210,7 @@ static DEFINE_PER_CPU(struct timer_base, timer_bases[NR_BASES]); #ifdef CONFIG_NO_HZ_COMMON -DEFINE_STATIC_KEY_FALSE(timers_nohz_active); +static DEFINE_STATIC_KEY_FALSE(timers_nohz_active); static DEFINE_MUTEX(timer_keys_mutex); static void timer_update_keys(struct work_struct *work); @@ -258,6 +258,13 @@ int timer_migration_handler(struct ctl_table *table, int write, mutex_unlock(&timer_keys_mutex); return ret; } + +static inline bool is_timers_nohz_active(void) +{ + return static_branch_unlikely(&timers_nohz_active); +} +#else +static inline bool is_timers_nohz_active(void) { return false; } #endif /* NO_HZ_COMMON */ static unsigned long round_jiffies_common(unsigned long j, int cpu, |