#ifndef _LINUX_SCHED_HOTPLUG_H#define _LINUX_SCHED_HOTPLUG_H /* * Scheduler interfaces for hotplug CPU support: */ extern int sched_cpu_starting(unsigned int cpu);extern int sched_cpu_activate(unsigned int cpu);extern int sched_cpu_deactivate(unsigned int cpu); #ifdef CONFIG_HOTPLUG_CPUextern int sched_cpu_dying(unsigned int cpu);#else# define sched_cpu_dying	NULL#endif #ifdef CONFIG_HOTPLUG_CPUextern void idle_task_exit(void);#elsestatic inline void idle_task_exit(void) {}#endif #endif /* _LINUX_SCHED_HOTPLUG_H */