20 struct pid_namespace {  struct
28 	struct pid_namespace *parent;  argument
38 extern struct pid_namespace init_pid_ns;  argument
43 static inline struct pid_namespace *get_pid_ns(struct pid_namespace *ns)  in get_pid_ns()
50 extern struct pid_namespace *copy_pid_ns(unsigned long flags,
51 	struct user_namespace *user_ns, struct pid_namespace *ns);
52 extern void zap_pid_ns_processes(struct pid_namespace *pid_ns);
53 extern int reboot_pid_ns(struct pid_namespace *pid_ns, int cmd);
54 extern void put_pid_ns(struct pid_namespace *ns);
59 static inline struct pid_namespace *get_pid_ns(struct pid_namespace *ns)  in get_pid_ns()
64 static inline struct pid_namespace *copy_pid_ns(unsigned long flags,  in copy_pid_ns()
65 	struct user_namespace *user_ns, struct pid_namespace *ns)  in copy_pid_ns()
72 static inline void put_pid_ns(struct pid_namespace *ns)  in put_pid_ns()
76 static inline void zap_pid_ns_processes(struct pid_namespace *ns)  in zap_pid_ns_processes()
81 static inline int reboot_pid_ns(struct pid_namespace *pid_ns, int cmd)  in reboot_pid_ns()
87 extern struct pid_namespace *task_active_pid_ns(struct task_struct *tsk);