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Re: [PATCH 1/2] x86/mm/numa: trivial fix on typo and error message

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  Re: [PATCH 1/2] x86/mm/numa: trivial fix on typo and error message Borislav Petkov <bp@alien8.de> - 2017-03-13 14:10 +0100

#1599335 — Re: [PATCH 1/2] x86/mm/numa: trivial fix on typo and error message

On Mon, Feb 06, 2017 at 11:35:28PM +0800, Wei Yang wrote:
> When allocating pg_data in alloc_node_data(), it will try to allocate from
> local node first and then from any node. If it fails at the second trial,
> it means there is not available memory on any node.
> 
> This patch fixes the error message and correct one typo.
> 
> Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
> ---
>  arch/x86/mm/numa.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
> index 4366242356c5..3e9110b34147 100644
> --- a/arch/x86/mm/numa.c
> +++ b/arch/x86/mm/numa.c
> @@ -201,8 +201,8 @@ static void __init alloc_node_data(int nid)
>  		nd_pa = __memblock_alloc_base(nd_size, SMP_CACHE_BYTES,
>  					      MEMBLOCK_ALLOC_ACCESSIBLE);
>  		if (!nd_pa) {
> -			pr_err("Cannot find %zu bytes in node %d\n",
> -			       nd_size, nid);
> +			pr_err("Cannot find %zu bytes in any node\n",
> +			       nd_size);
>  			return;
>  		}

Actually, the best would be:

	pr_err("Cannot find %zu bytes in any node (initial node: %d)\n", nd_size, nid);

or something like that. This way you say

a) the initial node %nid failed
b) the fallback to any node failed too

so that people trying to debug code can have the complete info in the
logs.

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.

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