Re: [PATCH v2 16/18] powerpc/papr_scm: Switch to numa_map_to_online_node()

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Dan Williams <dan.j.williams@xxxxxxxxx> writes:

> Now that the core exports numa_map_to_online_node() switch to that
> instead of the locally coded duplicate.
>

Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx>

> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
> Cc: Paul Mackerras <paulus@xxxxxxxxx>
> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
> Cc: "Oliver O'Halloran" <oohall@xxxxxxxxx>
> Reported-by: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxx>
> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
> ---
>  arch/powerpc/platforms/pseries/papr_scm.c |   21 +--------------------
>  1 file changed, 1 insertion(+), 20 deletions(-)
>
> diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c
> index 33aa59e666e5..ef81515f3b6a 100644
> --- a/arch/powerpc/platforms/pseries/papr_scm.c
> +++ b/arch/powerpc/platforms/pseries/papr_scm.c
> @@ -284,25 +284,6 @@ int papr_scm_ndctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
>  	return 0;
>  }
>  
> -static inline int papr_scm_node(int node)
> -{
> -	int min_dist = INT_MAX, dist;
> -	int nid, min_node;
> -
> -	if ((node == NUMA_NO_NODE) || node_online(node))
> -		return node;
> -
> -	min_node = first_online_node;
> -	for_each_online_node(nid) {
> -		dist = node_distance(node, nid);
> -		if (dist < min_dist) {
> -			min_dist = dist;
> -			min_node = nid;
> -		}
> -	}
> -	return min_node;
> -}
> -
>  static int papr_scm_nvdimm_init(struct papr_scm_priv *p)
>  {
>  	struct device *dev = &p->pdev->dev;
> @@ -347,7 +328,7 @@ static int papr_scm_nvdimm_init(struct papr_scm_priv *p)
>  
>  	memset(&ndr_desc, 0, sizeof(ndr_desc));
>  	target_nid = dev_to_node(&p->pdev->dev);
> -	online_nid = papr_scm_node(target_nid);
> +	online_nid = numa_map_to_online_node(target_nid);
>  	ndr_desc.numa_node = online_nid;
>  	ndr_desc.target_node = target_nid;
>  	ndr_desc.res = &p->res;



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