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Shailabh Nagarc7572492006-07-14 00:24:40 -07001/* taskstats_kern.h - kernel header for per-task statistics interface
2 *
3 * Copyright (C) Shailabh Nagar, IBM Corp. 2006
4 * (C) Balbir Singh, IBM Corp. 2006
5 */
6
7#ifndef _LINUX_TASKSTATS_KERN_H
8#define _LINUX_TASKSTATS_KERN_H
9
10#include <linux/taskstats.h>
11#include <linux/sched.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090012#include <linux/slab.h>
Shailabh Nagarc7572492006-07-14 00:24:40 -070013
Shailabh Nagarc7572492006-07-14 00:24:40 -070014#ifdef CONFIG_TASKSTATS
Christoph Lametere18b8902006-12-06 20:33:20 -080015extern struct kmem_cache *taskstats_cache;
Shailabh Nagar6f449932006-07-14 00:24:41 -070016extern struct mutex taskstats_exit_mutex;
Shailabh Nagarc7572492006-07-14 00:24:40 -070017
Shailabh Nagarad4ecbc2006-07-14 00:24:44 -070018static inline void taskstats_tgid_free(struct signal_struct *sig)
19{
Oleg Nesterov093a8e82006-10-28 10:38:51 -070020 if (sig->stats)
21 kmem_cache_free(taskstats_cache, sig->stats);
Shailabh Nagarad4ecbc2006-07-14 00:24:44 -070022}
23
Oleg Nesterov115085e2006-12-06 20:36:51 -080024extern void taskstats_exit(struct task_struct *, int group_dead);
Shailabh Nagarad4ecbc2006-07-14 00:24:44 -070025extern void taskstats_init_early(void);
Shailabh Nagarc7572492006-07-14 00:24:40 -070026#else
Oleg Nesterov115085e2006-12-06 20:36:51 -080027static inline void taskstats_exit(struct task_struct *tsk, int group_dead)
Shailabh Nagarad4ecbc2006-07-14 00:24:44 -070028{}
Shailabh Nagarad4ecbc2006-07-14 00:24:44 -070029static inline void taskstats_tgid_free(struct signal_struct *sig)
Shailabh Nagarc7572492006-07-14 00:24:40 -070030{}
31static inline void taskstats_init_early(void)
32{}
33#endif /* CONFIG_TASKSTATS */
34
35#endif
36