DEFINE_RANGE
cxlr->hpa_range = DEFINE_RANGE(0, -1);
cxlr->hpa_range = DEFINE_RANGE(res->start, res->end);
cxlr->hpa_range = DEFINE_RANGE(0, -1);
struct range test_range = DEFINE_RANGE(0xc0ffee00ba5eba11,
test_range = DEFINE_RANGE(0xc0ffee, 0xba5eba11);
test_range = DEFINE_RANGE(0xba5eba11, 0xc0ffee);
const struct range pg = DEFINE_RANGE(0, folio_nr_pages(folio) - 1);
r[2] = DEFINE_RANGE(fault_idx - radius < (long)pg.start ? pg.start : fault_idx - radius,
r[1] = DEFINE_RANGE(pg.start, r[2].start - 1);
r[0] = DEFINE_RANGE(r[2].end + 1, pg.end);