diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index f95fbdee6efe..4a2a1b2529b3 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -660,13 +660,13 @@ static void smp_core99_gpio_tb_freeze(int freeze)
 
 #endif /* !CONFIG_PPC64 */
 
-/* L2 and L3 cache settings to pass from CPU0 to CPU1 on G4 cpus */
-volatile static long int core99_l2_cache;
-volatile static long int core99_l3_cache;
-
 static void core99_init_caches(int cpu)
 {
 #ifndef CONFIG_PPC64
+	/* L2 and L3 cache settings to pass from CPU0 to CPU1 on G4 cpus */
+	volatile static long int core99_l2_cache;
+	volatile static long int core99_l3_cache;
+
 	if (!cpu_has_feature(CPU_FTR_L2CR))
 		return;