|  | /* 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 <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 | 
|  |  |