nohz.h 907 B

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