diff --git a/drivers/base/node.c b/drivers/base/node.c
index 583d57e..5d4517c 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -136,7 +136,7 @@
  *
  * Initialize and register the node device.
  */
-int __init register_node(struct node *node, int num, struct node *parent)
+int register_node(struct node *node, int num, struct node *parent)
 {
 	int error;
 
@@ -153,8 +153,24 @@
 	return error;
 }
 
+/**
+ * unregister_node - unregister a node device
+ * @node: node going away
+ *
+ * Unregisters a node device @node.  All the devices on the node must be
+ * unregistered before calling this function.
+ */
+void unregister_node(struct node *node)
+{
+	sysdev_remove_file(&node->sysdev, &attr_cpumap);
+	sysdev_remove_file(&node->sysdev, &attr_meminfo);
+	sysdev_remove_file(&node->sysdev, &attr_numastat);
+	sysdev_remove_file(&node->sysdev, &attr_distance);
 
-int __init register_node_type(void)
+	sysdev_unregister(&node->sysdev);
+}
+
+static int __init register_node_type(void)
 {
 	return sysdev_class_register(&node_class);
 }
diff --git a/include/linux/node.h b/include/linux/node.h
index 6e0a697..254dc3d 100644
--- a/include/linux/node.h
+++ b/include/linux/node.h
@@ -27,6 +27,7 @@
 };
 
 extern int register_node(struct node *, int, struct node *);
+extern void unregister_node(struct node *node);
 
 #define to_node(sys_device) container_of(sys_device, struct node, sysdev)