b0145d9b33
The <linux/sched/nohz.h> file is a self-contained header and users of it either don't need <linux/sched.h> - or have already included it. This reduces the size of the header dependency graph. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org>
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
#ifndef _LINUX_SCHED_NOHZ_H
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#define _LINUX_SCHED_NOHZ_H
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/*
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* This is the interface between the scheduler and nohz/dyntics:
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*/
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#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON)
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extern void cpu_load_update_nohz_start(void);
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extern void cpu_load_update_nohz_stop(void);
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#else
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static inline void cpu_load_update_nohz_start(void) { }
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static inline void cpu_load_update_nohz_stop(void) { }
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#endif
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#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON)
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extern void nohz_balance_enter_idle(int cpu);
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extern void set_cpu_sd_state_idle(void);
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extern int get_nohz_timer_target(void);
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#else
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static inline void nohz_balance_enter_idle(int cpu) { }
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static inline void set_cpu_sd_state_idle(void) { }
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#endif
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#ifdef CONFIG_NO_HZ_COMMON
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void calc_load_enter_idle(void);
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void calc_load_exit_idle(void);
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#else
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static inline void calc_load_enter_idle(void) { }
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static inline void calc_load_exit_idle(void) { }
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#endif /* CONFIG_NO_HZ_COMMON */
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#if defined(CONFIG_NO_HZ_COMMON) && defined(CONFIG_SMP)
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extern void wake_up_nohz_cpu(int cpu);
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#else
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static inline void wake_up_nohz_cpu(int cpu) { }
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#endif
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#ifdef CONFIG_NO_HZ_FULL
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extern u64 scheduler_tick_max_deferment(void);
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#endif
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#endif /* _LINUX_SCHED_NOHZ_H */
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