[PATCH] make /proc/mounts pollable

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/namespace.h b/include/linux/namespace.h
index 0e5a86f..6f0f25d 100644
--- a/include/linux/namespace.h
+++ b/include/linux/namespace.h
@@ -10,6 +10,8 @@
 	struct vfsmount *	root;
 	struct list_head	list;
 	struct rw_semaphore	sem;
+	wait_queue_head_t poll;
+	int event;
 };
 
 extern int copy_namespace(int, struct task_struct *);