smpboot.h

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#ifndef _LINUX_SMPBOOT_H
#define _LINUX_SMPBOOT_H

#include <linux/types.h>

struct task_struct;
/* Cookie handed to the thread_fn*/
struct smpboot_thread_data;

struct smp_hotplug_thread {
    struct task_struct __percpu **store;
    struct list_head        list;
    int             (*thread_should_run)(unsigned int cpu);
    void                (*thread_fn)(unsigned int cpu);
    void                (*setup)(unsigned int cpu);
    void                (*cleanup)(unsigned int cpu, bool online);
    void                (*park)(unsigned int cpu);
    void                (*unpark)(unsigned int cpu);
    const char          *thread_comm;
};

int smpboot_register_percpu_thread(struct smp_hotplug_thread *plug_thread);
void smpboot_unregister_percpu_thread(struct smp_hotplug_thread *plug_thread);
int smpboot_thread_schedule(void);

#endif