diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index ba55bba..d3890e8 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -38,6 +38,7 @@
 #include <linux/spinlock.h>
 #include <linux/delay.h>
 #include <linux/freezer.h>
+#include <linux/slab.h>
 
 #include <asm/uaccess.h>