diff --git a/drivers/s390/char/keyboard.c b/drivers/s390/char/keyboard.c
index cee4d4e..cb6bffe 100644
--- a/drivers/s390/char/keyboard.c
+++ b/drivers/s390/char/keyboard.c
@@ -9,6 +9,7 @@
 
 #include <linux/module.h>
 #include <linux/sched.h>
+#include <linux/slab.h>
 #include <linux/sysrq.h>
 
 #include <linux/consolemap.h>