On 23.09.19 12:36, Michal Hocko wrote:

On Mon 23-09-19 12:13:11, David Hildenbrand wrote:

quoted

On 19.09.19 16:22, David Hildenbrand wrote:

quoted

Will be needed by virtio-mem to identify the node from a pxm.

Cc: "Rafael J. Wysocki" <redacted>
Cc: Len Brown <lenb@kernel.org>
Cc: linux-acpi@vger.kernel.org
Signed-off-by: David Hildenbrand <redacted>
---
 drivers/acpi/numa.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index eadbf90e65d1..d5847fa7ac69 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c

@@ -35,6 +35,7 @@ int pxm_to_node(int pxm)
 		return NUMA_NO_NODE;
 	return pxm_to_node_map[pxm];
 }
+EXPORT_SYMBOL(pxm_to_node);

FWIW, this is a fairly old patch I dragged along and I think I'll
convert this to EXPORT_SYMBOL_GPL now that I know better :)

All other exports in this file are EXPORT_SYMBOL. Why is this one
considered special to restrict the access?

Uh, so I did actually use my brain two years ago back when I was
crafting this patch :)

-- 

Thanks,

David / dhildenb