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    Subject[PATCH v2 3/5] arm64/numa: add nid check for memory block
    Date
    Use the same tactic to cpu and numa-distance nodes.

    Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
    ---
    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

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