1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _LINUX_SCHED_NOHZ_H
3#define _LINUX_SCHED_NOHZ_H
4
5/*
6 * This is the interface between the scheduler and nohz/dynticks:
7 */
8
9#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON)
10extern void nohz_balance_enter_idle(int cpu);
11extern int get_nohz_timer_target(void);
12#else
13static inline void nohz_balance_enter_idle(int cpu) { }
14#endif
15
16#ifdef CONFIG_NO_HZ_COMMON
17void calc_load_nohz_start(void);
18void calc_load_nohz_remote(struct rq *rq);
19void calc_load_nohz_stop(void);
20#else
21static inline void calc_load_nohz_start(void) { }
22static inline void calc_load_nohz_remote(struct rq *rq) { }
23static inline void calc_load_nohz_stop(void) { }
24#endif /* CONFIG_NO_HZ_COMMON */
25
26#if defined(CONFIG_NO_HZ_COMMON) && defined(CONFIG_SMP)
27extern void wake_up_nohz_cpu(int cpu);
28#else
29static inline void wake_up_nohz_cpu(int cpu) { }
30#endif
31
32#endif /* _LINUX_SCHED_NOHZ_H */
33

source code of linux/include/linux/sched/nohz.h