125 int proc_cgroup_show(struct seq_file *m, struct pid_namespace *ns,
869 	struct ns_common	ns;  member
879 void free_cgroup_ns(struct cgroup_namespace *ns);
886 		   struct cgroup_namespace *ns);
890 static inline void free_cgroup_ns(struct cgroup_namespace *ns) { }  in free_cgroup_ns()  argument
900 static inline void get_cgroup_ns(struct cgroup_namespace *ns)  in get_cgroup_ns()  argument
902 	if (ns)  in get_cgroup_ns()
903 		refcount_inc(&ns->count);  in get_cgroup_ns()
906 static inline void put_cgroup_ns(struct cgroup_namespace *ns)  in put_cgroup_ns()  argument
908 	if (ns && refcount_dec_and_test(&ns->count))  in put_cgroup_ns()
909 		free_cgroup_ns(ns);  in put_cgroup_ns()