| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 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 cpu_load_update_nohz_start(void); |
| 11 | extern void cpu_load_update_nohz_stop(void); |
| 12 | #else |
| 13 | static inline void cpu_load_update_nohz_start(void) { } |
| 14 | static inline void cpu_load_update_nohz_stop(void) { } |
| 15 | #endif |
| 16 | |
| 17 | #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON) |
| 18 | extern void nohz_balance_enter_idle(int cpu); |
| 19 | extern int get_nohz_timer_target(void); |
| 20 | #else |
| 21 | static inline void nohz_balance_enter_idle(int cpu) { } |
| 22 | #endif |
| 23 | |
| 24 | #ifdef CONFIG_NO_HZ_COMMON |
| 25 | void calc_load_nohz_start(void); |
| 26 | void calc_load_nohz_stop(void); |
| 27 | #else |
| 28 | static inline void calc_load_nohz_start(void) { } |
| 29 | static inline void calc_load_nohz_stop(void) { } |
| 30 | #endif /* CONFIG_NO_HZ_COMMON */ |
| 31 | |
| 32 | #if defined(CONFIG_NO_HZ_COMMON) && defined(CONFIG_SMP) |
| 33 | extern void wake_up_nohz_cpu(int cpu); |
| 34 | #else |
| 35 | static inline void wake_up_nohz_cpu(int cpu) { } |
| 36 | #endif |
| 37 | |
| 38 | #endif /* _LINUX_SCHED_NOHZ_H */ |