1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index b21cf093ac62..a9553568118f 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -29,6 +29,8 @@ extern void cgroup_fork(struct task_struct *p);
 extern void cgroup_fork_callbacks(struct task_struct *p);
 extern void cgroup_exit(struct task_struct *p, int run_callbacks);
 
+extern struct file_operations proc_cgroup_operations;
+
 /* Per-subsystem/per-cgroup state maintained by the system. */
 struct cgroup_subsys_state {
         /* The cgroup that this subsystem is attached to. Useful