[PATCH v6 08/16] ACPI / NUMA: add a stub function for node_to_pxm()

There is already a stub function for pxm_to_node but conversion to the
other direction is missing.

It will be used by Microsoft Hypervisor code later.

Signed-off-by: Wei Liu <wei.liu@kernel.org>
---
v6: new
---
 include/acpi/acpi_numa.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/acpi/acpi_numa.h b/include/acpi/acpi_numa.h
index a4c6ef809e27..40a91ce87e04 100644
--- a/include/acpi/acpi_numa.h
+++ b/include/acpi/acpi_numa.h

@@ -30,6 +30,10 @@ static inline int pxm_to_node(int pxm)
 {
 	return 0;
 }
+static inline int node_to_pxm(int node)
+{
+	return 0;
+}
 #endif				/* CONFIG_ACPI_NUMA */
 
 #ifdef CONFIG_ACPI_HMAT

-- 
2.20.1