| /* SPDX-License-Identifier: GPL-2.0 */ | 
 | /* 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/signal.h> | 
 | #include <linux/slab.h> | 
 |  | 
 | #ifdef CONFIG_TASKSTATS | 
 | extern struct kmem_cache *taskstats_cache; | 
 | extern struct mutex taskstats_exit_mutex; | 
 |  | 
 | 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_free(struct signal_struct *sig) | 
 | {} | 
 | static inline void taskstats_init_early(void) | 
 | {} | 
 | #endif /* CONFIG_TASKSTATS */ | 
 |  | 
 | #endif | 
 |  |