1 files changed, 1 insertions, 0 deletions

diff --git a/include/acpi/acpi_numa.h b/include/acpi/acpi_numa.h
index 173972672175..451823cb8837 100644
--- a/include/acpi/acpi_numa.h
+++ b/include/acpi/acpi_numa.h
@@ -15,6 +15,7 @@ extern int pxm_to_node(int);
 extern int node_to_pxm(int);
 extern void __acpi_map_pxm_to_node(int, int);
 extern int acpi_map_pxm_to_node(int);
+extern unsigned char acpi_srat_revision;
 
 #endif                          /* CONFIG_ACPI_NUMA */
 #endif                          /* __ACP_NUMA_H */