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-rw-r--r--arch/x86_64/mm/srat.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c
index 92f6ec79b23..db6b073a149 100644
--- a/arch/x86_64/mm/srat.c
+++ b/arch/x86_64/mm/srat.c
@@ -25,6 +25,13 @@ static nodemask_t nodes_found __initdata;
static struct node nodes[MAX_NUMNODES] __initdata;
static __u8 pxm2node[256] = { [0 ... 255] = 0xff };
+int pxm_to_node(int pxm)
+{
+ if ((unsigned)pxm >= 256)
+ return 0;
+ return pxm2node[pxm];
+}
+
static __init int setup_node(int pxm)
{
unsigned node = pxm2node[pxm];