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/* taskstats_kern.h - kernel header for per-task statistics interface

 *

 * Copyright (C) Shailabh Nagar, IBM Corp. 2006

 *           (C) Balbir Singh,   IBM Corp. 2006

 */

#ifndef _LINUX_TASKSTATS_KERN_H

#define _LINUX_TASKSTATS_KERN_H

#include <linux/taskstats.h>

#include <linux/sched.h>

#include <net/genetlink.h>

#ifdef CONFIG_TASKSTATS

extern struct kmem_cache *taskstats_cache;

extern struct mutex taskstats_exit_mutex;

static inline void taskstats_tgid_init(struct signal_struct *sig)

{

        sig->stats = NULL;

}

static inline void taskstats_tgid_free(struct signal_struct *sig)

{

        if (sig->stats)

                kmem_cache_free(taskstats_cache, sig->stats);

}

extern void taskstats_exit(struct task_struct *, int group_dead);

extern void taskstats_init_early(void);

#else

static inline void taskstats_exit(struct task_struct *tsk, int group_dead)

{}

static inline void taskstats_tgid_init(struct signal_struct *sig)

{}

static inline void taskstats_tgid_free(struct signal_struct *sig)

{}

static inline void taskstats_init_early(void)

{}

#endif /* CONFIG_TASKSTATS */

#endif