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Re: [PATCH v3 3/5] arm64/numa: add nid check for memory block

From Will Deacon <will.deacon@arm.com>
Newsgroups linux.kernel
Subject Re: [PATCH v3 3/5] arm64/numa: add nid check for memory block
Date 2016-06-03 12:00 +0200
Message-ID <rFU3v-1wB-1@gated-at.bofh.it> (permalink)
References <rFqyt-8tG-3@gated-at.bofh.it> <rFqI9-50-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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

> 
> 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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Thread

[PATCH v3 3/5] arm64/numa: add nid check for memory block Zhen Lei <thunder.leizhen@huawei.com> - 2016-06-02 04:40 +0200
  Re: [PATCH v3 3/5] arm64/numa: add nid check for memory block Will Deacon <will.deacon@arm.com> - 2016-06-03 12:00 +0200
    Re: [PATCH v3 3/5] arm64/numa: add nid check for memory block "Leizhen (ThunderTown)" <thunder.leizhen@huawei.com> - 2016-06-06 03:50 +0200

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