diff --git a/include/acpi/acpi_numa.h b/include/acpi/acpi_numa.h
index d4b72944ccdabc89748f054dd92c7b355f05de5a..1e3a74f94131eb15448f9c48c8410d75602949cd 100644
--- a/include/acpi/acpi_numa.h
+++ b/include/acpi/acpi_numa.h
@@ -3,6 +3,7 @@
 
 #ifdef CONFIG_ACPI_NUMA
 #include <linux/kernel.h>
+#include <linux/numa.h>
 
 /* Proximity bitmap length */
 #if MAX_NUMNODES > 256