diff --git a/arch/arm/mach-integrator/impd1.c b/arch/arm/mach-integrator/impd1.c
index 0058c93..41b1072 100644
--- a/arch/arm/mach-integrator/impd1.c
+++ b/arch/arm/mach-integrator/impd1.c
@@ -21,6 +21,7 @@
 #include <linux/amba/bus.h>
 #include <linux/amba/clcd.h>
 #include <linux/io.h>
+#include <linux/slab.h>
 
 #include <asm/clkdev.h>
 #include <mach/clkdev.h>