1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef _LINUX_SCHED_NOHZ_H 3*4882a593Smuzhiyun #define _LINUX_SCHED_NOHZ_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun /* 6*4882a593Smuzhiyun * This is the interface between the scheduler and nohz/dynticks: 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON) 10*4882a593Smuzhiyun extern void nohz_balance_enter_idle(int cpu); 11*4882a593Smuzhiyun extern int get_nohz_timer_target(void); 12*4882a593Smuzhiyun #else nohz_balance_enter_idle(int cpu)13*4882a593Smuzhiyunstatic inline void nohz_balance_enter_idle(int cpu) { } 14*4882a593Smuzhiyun #endif 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun #ifdef CONFIG_NO_HZ_COMMON 17*4882a593Smuzhiyun void calc_load_nohz_start(void); 18*4882a593Smuzhiyun void calc_load_nohz_remote(struct rq *rq); 19*4882a593Smuzhiyun void calc_load_nohz_stop(void); 20*4882a593Smuzhiyun #else calc_load_nohz_start(void)21*4882a593Smuzhiyunstatic inline void calc_load_nohz_start(void) { } calc_load_nohz_remote(struct rq * rq)22*4882a593Smuzhiyunstatic inline void calc_load_nohz_remote(struct rq *rq) { } calc_load_nohz_stop(void)23*4882a593Smuzhiyunstatic inline void calc_load_nohz_stop(void) { } 24*4882a593Smuzhiyun #endif /* CONFIG_NO_HZ_COMMON */ 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun #if defined(CONFIG_NO_HZ_COMMON) && defined(CONFIG_SMP) 27*4882a593Smuzhiyun extern void wake_up_nohz_cpu(int cpu); 28*4882a593Smuzhiyun #else wake_up_nohz_cpu(int cpu)29*4882a593Smuzhiyunstatic inline void wake_up_nohz_cpu(int cpu) { } 30*4882a593Smuzhiyun #endif 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #endif /* _LINUX_SCHED_NOHZ_H */ 33