diff --git a/kernel/smp.c b/kernel/smp.c
index bba3b201668d..2d1f15d43022 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -3,6 +3,9 @@
  *
  * (C) Jens Axboe <jens.axboe@oracle.com> 2008
  */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/irq_work.h>
 #include <linux/rcupdate.h>
 #include <linux/rculist.h>