1 files changed, 5 insertions, 0 deletions

diff --git a/include/asm-x86_64/numa.h b/include/asm-x86_64/numa.h
index d51e56fdc3da..34e434ce3268 100644
--- a/include/asm-x86_64/numa.h
+++ b/include/asm-x86_64/numa.h
@@ -20,6 +20,11 @@ extern int numa_off;
 extern void numa_set_node(int cpu, int node);
 
 extern unsigned char apicid_to_node[256];
+#ifdef CONFIG_NUMA
+extern void __init init_cpu_to_node(void);
+#else
+#define init_cpu_to_node() do {} while (0)
+#endif
 
 #define NUMA_NO_NODE 0xff