124 int proc_cgroup_show(struct seq_file *m, struct pid_namespace *ns,
773 	struct ns_common	ns;  member
783 void free_cgroup_ns(struct cgroup_namespace *ns);
790 		   struct cgroup_namespace *ns);
794 static inline void free_cgroup_ns(struct cgroup_namespace *ns) { }  in free_cgroup_ns()  argument
804 static inline void get_cgroup_ns(struct cgroup_namespace *ns)  in get_cgroup_ns()  argument
806 	if (ns)  in get_cgroup_ns()
807 		refcount_inc(&ns->ns.count);  in get_cgroup_ns()
810 static inline void put_cgroup_ns(struct cgroup_namespace *ns)  in put_cgroup_ns()  argument
812 	if (ns && refcount_dec_and_test(&ns->ns.count))  in put_cgroup_ns()
813 		free_cgroup_ns(ns);  in put_cgroup_ns()