diff --git a/include/linux/tick.h b/include/linux/tick.h index 9a82c7dc3fdd9f1fd35d62fb2ab0734516c9ad6c..595ee86f5e0dba847e6a0d7199fac8b5739d6d0f 100644 --- a/include/linux/tick.h +++ b/include/linux/tick.h @@ -181,14 +181,12 @@ static inline bool tick_nohz_full_cpu(int cpu) return cpumask_test_cpu(cpu, tick_nohz_full_mask); } -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_cpu(int cpu); extern void tick_nohz_full_kick_all(void); extern void __tick_nohz_task_switch(struct task_struct *tsk); #else -static inline void tick_nohz_init(void) { } static inline bool tick_nohz_full_enabled(void) { return false; } static inline bool tick_nohz_full_cpu(int cpu) { return false; } static inline void __tick_nohz_full_check(void) { } diff --git a/init/main.c b/init/main.c index bb1aed928f21391b63493112c6bb1a1eae39077f..8af2f1abfe38d5f36eade88169f4f9cd04d8ec5a 100644 --- a/init/main.c +++ b/init/main.c @@ -577,7 +577,6 @@ asmlinkage __visible void __init start_kernel(void) local_irq_disable(); idr_init_cache(); rcu_init(); - tick_nohz_init(); context_tracking_init(); radix_tree_init(); /* init some links before init_ISA_irqs() */ diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c index 0a0608edeb2665e88d2cb1c917b4cf4f112a4e8e..052b4b53c3d6610b59bb426e785450707b6253f3 100644 --- a/kernel/time/tick-common.c +++ b/kernel/time/tick-common.c @@ -400,4 +400,5 @@ void tick_resume(void) void __init tick_init(void) { tick_broadcast_init(); + tick_nohz_init(); } diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h index c19c1d84b6f34f66e84b32627b702756364e614a..366aeb4f2c6696ee6239e501ea4904f3812cd44c 100644 --- a/kernel/time/tick-internal.h +++ b/kernel/time/tick-internal.h @@ -99,6 +99,13 @@ static inline int tick_broadcast_oneshot_active(void) { return 0; } static inline bool tick_broadcast_oneshot_available(void) { return false; } #endif /* !TICK_ONESHOT */ +/* NO_HZ_FULL internal */ +#ifdef CONFIG_NO_HZ_FULL +extern void tick_nohz_init(void); +# else +static inline void tick_nohz_init(void) { } +#endif + /* * Broadcasting support */