https://github.com/torvalds/linux
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Tip revision: 1048ba83fb1c00cd24172e23e8263972f6b5d9ac authored by Linus Torvalds on 31 January 2021, 21:50:09 UTC
Linux 5.11-rc6
Tip revision: 1048ba8
nohz.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_NOHZ_H
#define _LINUX_SCHED_NOHZ_H

/*
 * This is the interface between the scheduler and nohz/dynticks:
 */

#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON)
extern void nohz_balance_enter_idle(int cpu);
extern int get_nohz_timer_target(void);
#else
static inline void nohz_balance_enter_idle(int cpu) { }
#endif

#ifdef CONFIG_NO_HZ_COMMON
void calc_load_nohz_start(void);
void calc_load_nohz_remote(struct rq *rq);
void calc_load_nohz_stop(void);
#else
static inline void calc_load_nohz_start(void) { }
static inline void calc_load_nohz_remote(struct rq *rq) { }
static inline void calc_load_nohz_stop(void) { }
#endif /* CONFIG_NO_HZ_COMMON */

#if defined(CONFIG_NO_HZ_COMMON) && defined(CONFIG_SMP)
extern void wake_up_nohz_cpu(int cpu);
#else
static inline void wake_up_nohz_cpu(int cpu) { }
#endif

#endif /* _LINUX_SCHED_NOHZ_H */
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