linux_dsm_epyc7002/include/linux/sched/nohz.h
Ingo Molnar 86d35afb8e MAINTAINERS: Add Frederic Weisbecker as nohz/dyntics maintainer
Frederic has been improving and maintaining the nohz/dynticks kernel features
for years, so make his de facto maintainership official.

Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-07-05 16:26:37 +02:00

44 lines
1.2 KiB
C

#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 cpu_load_update_nohz_start(void);
extern void cpu_load_update_nohz_stop(void);
#else
static inline void cpu_load_update_nohz_start(void) { }
static inline void cpu_load_update_nohz_stop(void) { }
#endif
#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON)
extern void nohz_balance_enter_idle(int cpu);
extern void set_cpu_sd_state_idle(void);
extern int get_nohz_timer_target(void);
#else
static inline void nohz_balance_enter_idle(int cpu) { }
static inline void set_cpu_sd_state_idle(void) { }
#endif
#ifdef CONFIG_NO_HZ_COMMON
void calc_load_nohz_start(void);
void calc_load_nohz_stop(void);
#else
static inline void calc_load_nohz_start(void) { }
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
#ifdef CONFIG_NO_HZ_FULL
extern u64 scheduler_tick_max_deferment(void);
#endif
#endif /* _LINUX_SCHED_NOHZ_H */