[PATCH] Driver core: unregister_node() for hotplug use

 *

 * 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;

	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);

	sysdev_unregister(&node->sysdev);

}

int __init register_node_type(void)

static int __init register_node_type(void)

{

	return sysdev_class_register(&node_class);

}

};

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)