19 struct pid_namespace {  struct
26 	struct pid_namespace *parent;  argument
36 extern struct pid_namespace init_pid_ns;  argument
41 static inline struct pid_namespace *get_pid_ns(struct pid_namespace *ns)  in get_pid_ns()
48 extern struct pid_namespace *copy_pid_ns(unsigned long flags,
49 	struct user_namespace *user_ns, struct pid_namespace *ns);
50 extern void zap_pid_ns_processes(struct pid_namespace *pid_ns);
51 extern int reboot_pid_ns(struct pid_namespace *pid_ns, int cmd);
52 extern void put_pid_ns(struct pid_namespace *ns);
57 static inline struct pid_namespace *get_pid_ns(struct pid_namespace *ns)  in get_pid_ns()
62 static inline struct pid_namespace *copy_pid_ns(unsigned long flags,  in copy_pid_ns()
63 	struct user_namespace *user_ns, struct pid_namespace *ns)  in copy_pid_ns()
70 static inline void put_pid_ns(struct pid_namespace *ns)  in put_pid_ns()
74 static inline void zap_pid_ns_processes(struct pid_namespace *ns)  in zap_pid_ns_processes()
79 static inline int reboot_pid_ns(struct pid_namespace *pid_ns, int cmd)  in reboot_pid_ns()
85 extern struct pid_namespace *task_active_pid_ns(struct task_struct *tsk);