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)
10 extern void nohz_balance_enter_idle(int cpu);
11 extern int get_nohz_timer_target(void);
12 #else
13 static inline void nohz_balance_enter_idle(int cpu) { }
14 #endif
15
16 #ifdef CONFIG_NO_HZ_COMMON
17 void calc_load_nohz_start(void);
18 void calc_load_nohz_remote(struct rq *rq);
19 void calc_load_nohz_stop(void);
20 #else
21 static inline void calc_load_nohz_start(void) { }
22 static inline void calc_load_nohz_remote(struct rq *rq) { }
23 static inline void calc_load_nohz_stop(void) { }
24 #endif /* CONFIG_NO_HZ_COMMON */
25
26 #if defined(CONFIG_NO_HZ_COMMON) && defined(CONFIG_SMP)
27 extern void wake_up_nohz_cpu(int cpu);
28 #else
29 static inline void wake_up_nohz_cpu(int cpu) { }
30 #endif
31
32 #endif /* _LINUX_SCHED_NOHZ_H */
33
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