1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index 3b5c3189fd99..e56f3be7b07d 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -45,6 +45,8 @@ static int pxm_to_node_map[MAX_PXM_DOMAINS]
 static int node_to_pxm_map[MAX_NUMNODES]
                         = { [0 ... MAX_NUMNODES - 1] = PXM_INVAL };
 
+unsigned char acpi_srat_revision __initdata;
+
 int pxm_to_node(int pxm)
 {
         if (pxm < 0)
@@ -255,9 +257,13 @@ acpi_parse_memory_affinity(struct acpi_subtable_header * header,
 
 static int __init acpi_parse_srat(struct acpi_table_header *table)
 {
+        struct acpi_table_srat *srat;
         if (!table)
                 return -EINVAL;
 
+        srat = (struct acpi_table_srat *)table;
+        acpi_srat_revision = srat->header.revision;
+
         /* Real work done in acpi_table_parse_srat below. */
 
         return 0;