Message ID | 20130726205015.534630940@linuxfoundation.org |
---|---|
State | Not Applicable |
Delegated to: | David Miller |
Headers | show |
--- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -1067,7 +1067,14 @@ static int __init grab_mblocks(struct md m->size = *val; val = mdesc_get_property(md, node, "address-congruence-offset", NULL); - m->offset = *val; + + /* The address-congruence-offset property is optional. + * Explicity zero it be identifty this. + */ + if (val) + m->offset = *val; + else + m->offset = 0UL; numadbg("MBLOCK[%d]: base[%llx] size[%llx] offset[%llx]\n", count - 1, m->base, m->size, m->offset);