1/* SPDX-License-Identifier: GPL-2.0 */
2/* taskstats_kern.h - kernel header for per-task statistics interface
3 *
4 * Copyright (C) Shailabh Nagar, IBM Corp. 2006
5 * (C) Balbir Singh, IBM Corp. 2006
6 */
7
8#ifndef _LINUX_TASKSTATS_KERN_H
9#define _LINUX_TASKSTATS_KERN_H
10
11#include <linux/taskstats.h>
12#include <linux/sched/signal.h>
13#include <linux/slab.h>
14
15#ifdef CONFIG_TASKSTATS
16extern struct kmem_cache *taskstats_cache;
17extern struct mutex taskstats_exit_mutex;
18
19static inline void taskstats_tgid_free(struct signal_struct *sig)
20{
21 if (sig->stats)
22 kmem_cache_free(s: taskstats_cache, objp: sig->stats);
23}
24
25extern void taskstats_exit(struct task_struct *, int group_dead);
26extern void taskstats_init_early(void);
27#else
28static inline void taskstats_exit(struct task_struct *tsk, int group_dead)
29{}
30static inline void taskstats_tgid_free(struct signal_struct *sig)
31{}
32static inline void taskstats_init_early(void)
33{}
34#endif /* CONFIG_TASKSTATS */
35
36#endif
37
38