1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_SCHED_HOTPLUG_H
3 #define _LINUX_SCHED_HOTPLUG_H
4 
5 /*
6  * Scheduler interfaces for hotplug CPU support:
7  */
8 
9 extern int sched_cpu_starting(unsigned int cpu);
10 extern int sched_cpu_activate(unsigned int cpu);
11 extern int sched_cpu_deactivate(unsigned int cpu);
12 
13 #ifdef CONFIG_HOTPLUG_CPU
14 extern int sched_cpu_dying(unsigned int cpu);
15 #else
16 # define sched_cpu_dying	NULL
17 #endif
18 
19 #ifdef CONFIG_HOTPLUG_CPU
20 extern void idle_task_exit(void);
21 #else
idle_task_exit(void)22 static inline void idle_task_exit(void) {}
23 #endif
24 
25 #endif /* _LINUX_SCHED_HOTPLUG_H */
26