zone_device_pages_have_same_pgmap
if (!zone_device_pages_have_same_pgmap(bv->bv_page, page))
if (!zone_device_pages_have_same_pgmap(bv->bv_page, page))
if (zone_device_pages_have_same_pgmap(first_page, next_page))
!zone_device_pages_have_same_pgmap(bv[*nr_vecs - 1].bv_page,
if (!zone_device_pages_have_same_pgmap(a, b))