PDE_SIZE
nkpdes += HPPA_IOLEN / PDE_SIZE; /* ... and io space too */
npdes = nkpdes + (physmem + atop(PDE_SIZE) - 1) / atop(PDE_SIZE);
for (va = 0; npdes--; va += PDE_SIZE, addr += PAGE_SIZE) {
if (npdes == HPPA_IOLEN / PDE_SIZE - 1)