Commit 571a588f authored Sep 01, 2016 by Zhen Lei Committed by Will Deacon Sep 09, 2016

of/numa: add nid check for memory block



If the numa-id which was configured in memory@ devicetree node is greater
than MAX_NUMNODES, we should report a warning. We have done this for cpus
and distance-map dt nodes, this patch help them to be consistent.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

parent 84b14256

drivers/of/of_numa.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -75,6 +75,11 @@ static int __init of_numa_parse_memory_nodes(void)
		*/
		continue;

		if (nid >= MAX_NUMNODES) {
		pr_warn("NUMA: Node id %u exceeds maximum value\n", nid);
		r = -EINVAL;
		}

		for (i = 0; !r && !of_address_to_resource(np, i, &rsrc); i++)
		r = numa_add_memblk(nid, rsrc.start, rsrc.end + 1);