Re: [RFC PATCH v3 1/4] topology: add support for node_to_mem_node() to determine the fallback node

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On Wed, 13 Aug 2014, Nishanth Aravamudan wrote:

> +++ b/include/linux/topology.h
> @@ -119,11 +119,20 @@ static inline int numa_node_id(void)
>   * Use the accessor functions set_numa_mem(), numa_mem_id() and cpu_to_mem().
>   */
>  DECLARE_PER_CPU(int, _numa_mem_);
> +extern int _node_numa_mem_[MAX_NUMNODES];

Why are these variables starting with an _ ?
Maybe _numa_mem was defined that way because it is typically not defined.
We dont do this in other situations.

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