static inline int xen_alloc_unpopulated_pages(unsigned int nr_pages,
		struct page **pages)
{
	return xen_alloc_ballooned_pages(nr_pages, pages);
}
static inline int xen_alloc_unpopulated_pages(unsigned int nr_pages,
		struct page **pages)
{
	return xen_alloc_ballooned_pages(nr_pages, pages);
}