47 	struct ns_common ns;  member
55 static inline struct pid_namespace *get_pid_ns(struct pid_namespace *ns)  in get_pid_ns()  argument
57 	if (ns != &init_pid_ns)  in get_pid_ns()
58 		kref_get(&ns->kref);  in get_pid_ns()
59 	return ns;  in get_pid_ns()
63 	struct user_namespace *user_ns, struct pid_namespace *ns);
66 extern void put_pid_ns(struct pid_namespace *ns);
71 static inline struct pid_namespace *get_pid_ns(struct pid_namespace *ns)  in get_pid_ns()  argument
73 	return ns;  in get_pid_ns()
77 	struct user_namespace *user_ns, struct pid_namespace *ns)  in copy_pid_ns()  argument
80 		ns = ERR_PTR(-EINVAL);  in copy_pid_ns()
81 	return ns;  in copy_pid_ns()
84 static inline void put_pid_ns(struct pid_namespace *ns)  in put_pid_ns()  argument
88 static inline void zap_pid_ns_processes(struct pid_namespace *ns)  in zap_pid_ns_processes()  argument