| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Shailabh Nagar | c757249 | 2006-07-14 00:24:40 -0700 | [diff] [blame] | 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> |
| Ingo Molnar | 3f07c01 | 2017-02-08 18:51:30 +0100 | [diff] [blame] | 12 | #include <linux/sched/signal.h> |
| Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 13 | #include <linux/slab.h> |
| Shailabh Nagar | c757249 | 2006-07-14 00:24:40 -0700 | [diff] [blame] | 14 | |
| Shailabh Nagar | c757249 | 2006-07-14 00:24:40 -0700 | [diff] [blame] | 15 | #ifdef CONFIG_TASKSTATS |
| Christoph Lameter | e18b890 | 2006-12-06 20:33:20 -0800 | [diff] [blame] | 16 | extern struct kmem_cache *taskstats_cache; |
| Shailabh Nagar | 6f44993 | 2006-07-14 00:24:41 -0700 | [diff] [blame] | 17 | extern struct mutex taskstats_exit_mutex; |
| Shailabh Nagar | c757249 | 2006-07-14 00:24:40 -0700 | [diff] [blame] | 18 | |
| Shailabh Nagar | ad4ecbc | 2006-07-14 00:24:44 -0700 | [diff] [blame] | 19 | static inline void taskstats_tgid_free(struct signal_struct *sig) |
| 20 | { |
| Oleg Nesterov | 093a8e8 | 2006-10-28 10:38:51 -0700 | [diff] [blame] | 21 | if (sig->stats) |
| 22 | kmem_cache_free(taskstats_cache, sig->stats); |
| Shailabh Nagar | ad4ecbc | 2006-07-14 00:24:44 -0700 | [diff] [blame] | 23 | } |
| 24 | |
| Oleg Nesterov | 115085e | 2006-12-06 20:36:51 -0800 | [diff] [blame] | 25 | extern void taskstats_exit(struct task_struct *, int group_dead); |
| Shailabh Nagar | ad4ecbc | 2006-07-14 00:24:44 -0700 | [diff] [blame] | 26 | extern void taskstats_init_early(void); |
| Shailabh Nagar | c757249 | 2006-07-14 00:24:40 -0700 | [diff] [blame] | 27 | #else |
| Oleg Nesterov | 115085e | 2006-12-06 20:36:51 -0800 | [diff] [blame] | 28 | static inline void taskstats_exit(struct task_struct *tsk, int group_dead) |
| Shailabh Nagar | ad4ecbc | 2006-07-14 00:24:44 -0700 | [diff] [blame] | 29 | {} |
| Shailabh Nagar | ad4ecbc | 2006-07-14 00:24:44 -0700 | [diff] [blame] | 30 | static inline void taskstats_tgid_free(struct signal_struct *sig) |
| Shailabh Nagar | c757249 | 2006-07-14 00:24:40 -0700 | [diff] [blame] | 31 | {} |
| 32 | static inline void taskstats_init_early(void) |
| 33 | {} |
| 34 | #endif /* CONFIG_TASKSTATS */ |
| 35 | |
| 36 | #endif |
| 37 | |