Re: [Xen-devel] [RFC PATCH v3 05/24] x86: NUMA: Add accessors for nodes[] and node_memblk_range[] structs

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Tue, Jul 18, 2017 at 05:11:27PM +0530, vijay.kilari@xxxxxxxxx wrote:
> From: Vijaya Kumar K <Vijaya.Kumar@xxxxxxxxxx>
> 
> Add accessors for nodes[] and other static variables and
> use those accessors. These variables are later accessed
> outside the file when the code made generic in later
> patches. However the coding style is not changed.
> 
> Signed-off-by: Vijaya Kumar K <Vijaya.Kumar@xxxxxxxxxx>
> ---
> v3: - Changed accessors parameter from int to unsigned int
>     - Updated commit message
>     - Fixed wrong indentation
> ---
>  xen/arch/x86/srat.c | 106 
> +++++++++++++++++++++++++++++++++++++++-------------
>  1 file changed, 81 insertions(+), 25 deletions(-)
> 
> diff --git a/xen/arch/x86/srat.c b/xen/arch/x86/srat.c
> index 535c9d7..42cca5a 100644
> --- a/xen/arch/x86/srat.c
> +++ b/xen/arch/x86/srat.c
> @@ -41,6 +41,44 @@ static struct node node_memblk_range[NR_NODE_MEMBLKS];
>  static nodeid_t memblk_nodeid[NR_NODE_MEMBLKS];
>  static __initdata DECLARE_BITMAP(memblk_hotplug, NR_NODE_MEMBLKS);
>  
> +static struct node *get_numa_node(unsigned int id)
> +{
> +     return &nodes[id];
> +}
> +
> +static nodeid_t get_memblk_nodeid(unsigned int id)
> +{
> +     return memblk_nodeid[id];
> +}
> +
> +static nodeid_t *get_memblk_nodeid_map(void)
> +{
> +     return &memblk_nodeid[0];
> +}
> +
> +static struct node *get_node_memblk_range(unsigned int memblk)
> +{
> +     return &node_memblk_range[memblk];
> +}
> +
> +static int get_num_node_memblks(void)
> +{
> +     return num_node_memblks;
> +}

They should all be inline functions. And maybe at once lift to a header
and add proper prefix since you mention they are going to be used later.

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