void unregister_node(struct node *node)
{
	hugetlb_unregister_node(node);		/* no-op, if memoryless node */
	node_remove_accesses(node);
	node_remove_caches(node);
	device_unregister(&node->dev);
}
void unregister_node(struct node *node)
{
	hugetlb_unregister_node(node);		 
	node_remove_accesses(node);
	node_remove_caches(node);
	device_unregister(&node->dev);
}