[PATCH v3 3/5] arm64/numa: add nid check for memory block
From: Will Deacon <hidden>
Date: 2016-06-03 09:52:18
Also in:
linux-devicetree, lkml
On Thu, Jun 02, 2016 at 10:28:09AM +0800, Zhen Lei wrote:
Use the same tactic to cpu and numa-distance nodes.
Sorry, I don't understand... :/ Will
quoted hunk ↗ jump to hunk
Signed-off-by: Zhen Lei <redacted> --- 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; + } + ret = memblock_set_node(start, (end - start), &memblock.memory, nid); if (ret < 0) { pr_err("NUMA: memblock [0x%llx - 0x%llx] failed to add on node %d\n", --2.5.0