extern int cgroup_load_subsys(struct cgroup_subsys *ss);
extern void cgroup_unload_subsys(struct cgroup_subsys *ss);
-extern const struct file_operations proc_cgroup_operations;
+extern int proc_cgroup_show(struct seq_file *, void *);
/* Define the enumeration of all builtin cgroup subsystems */
#define SUBSYS(_x) _x ## _subsys_id,