/* Return true if any of the pages in the mapping are marked with the passed tag.  */
int mapping_tagged(struct address_space *mapping, int tag)
/* Return true if any of the pages in the mapping are marked with the passed tag.  */
int mapping_tagged(struct address_space *mapping, int tag)
{
	int ret;
	rcu_read_lock();
	ret = radix_tree_tagged(&mapping->page_tree, tag);
	rcu_read_unlock();
	return ret;
}