alloc_surplus_hugetlb_folio
folio = alloc_surplus_hugetlb_folio(h, gfp, nid, nodemask);
folio = alloc_surplus_hugetlb_folio(h, gfp_mask, nid, nodemask);
folio = alloc_surplus_hugetlb_folio(h, htlb_alloc_mask(h),