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-rw-r--r--drivers/acpi/numa.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index 3b5c3189fd9..e56f3be7b07 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;