PND_MAX_PHYS_BIT
if (mask != GENMASK_ULL(PND_MAX_PHYS_BIT, __ffs(mask))) {
rp->limit = (base | ~mask) & GENMASK_ULL(PND_MAX_PHYS_BIT, 0);
if (addr >= BIT(PND_MAX_PHYS_BIT) ||