diff --git a/drivers/input/misc/sgi_btns.c b/drivers/input/misc/sgi_btns.c
index be3a15f..1a80c0d 100644
--- a/drivers/input/misc/sgi_btns.c
+++ b/drivers/input/misc/sgi_btns.c
@@ -22,6 +22,7 @@
 #include <linux/ioport.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/slab.h>
 
 #ifdef CONFIG_SGI_IP22
 #include <asm/sgi/ioc.h>