On 2016/8/8 17:18, Zhen Lei wrote: > Use the same tactic to cpu and numa-distance nodes. > > Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx> > --- > arch/arm64/mm/numa.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c > index c7fe3ec..2601660 100644 > --- a/arch/arm64/mm/numa.c > +++ b/arch/arm64/mm/numa.c > @@ -141,6 +141,11 @@ int __init numa_add_memblk(int nid, u64 start, u64 end) > { > int ret; > > + if (nid >= MAX_NUMNODES) { > + pr_warn("NUMA: Node id %u exceeds maximum value\n", nid); > + return -EINVAL; > + } I think this check should be added to of_numa_parse_memory_nodes(), which before the numa_add_memblk() called, it's the same logic in of_numa_parse_cpu_nodes() and the node id is checked before calling numa_add_memblk() in ACPI. Thanks Hanjun -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html