On Thu, 2018-03-15 at 20:08 -0700, Dan Williams wrote:
> Commit 99759869faf1 "acpi: Add acpi_map_pxm_to_online_node()" added
> support for mapping a given proximity to its nearest, by SLIT distance,
> online node. However, it sometimes returns unexpected results due to the
> fact that it switches from comparing the PXM node to the last node that
> was closer than the current max.
>
> for_each_online_node(n) {
> dist = node_distance(node, n);
> if (dist < min_dist) {
> min_dist = dist;
> node = n; <---- from this point we're using the
> wrong node for node_distance()
ouch...
>
>
> Fixes: 99759869faf1 ("acpi: Add acpi_map_pxm_to_online_node()")
> Cc: <stable@xxxxxxxxxxxxxxx>
> Cc: Toshi Kani <toshi.kani@xxxxxx>
> Cc: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>>
> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
Thanks Dan for the fix!
Reviewed-by: Toshi Kani <toshi.kani@xxxxxxx>
-Toshi
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