diff --git a/arch/powerpc/include/asm/asm-prototypes.h b/arch/powerpc/include/asm/asm-prototypes.h
index cca69093f03d..ce4e355c96a2 100644
--- a/arch/powerpc/include/asm/asm-prototypes.h
+++ b/arch/powerpc/include/asm/asm-prototypes.h
@@ -20,7 +20,6 @@
 #include <uapi/asm/ucontext.h>
 
 /* SMP */
-extern struct task_struct *current_set[NR_CPUS];
 extern struct task_struct *secondary_current;
 void start_secondary(void *unused);
 
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index b7fd6a72aa76..7e30a6fe5adf 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -716,7 +716,7 @@ void smp_send_stop(void)
 }
 #endif /* CONFIG_NMI_IPI */
 
-struct task_struct *current_set[NR_CPUS];
+static struct task_struct *current_set[NR_CPUS];
 
 static void smp_store_cpu_info(int id)
 {