diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c
index 7693355..166c15f 100644
--- a/arch/arm/mach-pxa/pm.c
+++ b/arch/arm/mach-pxa/pm.c
@@ -14,6 +14,7 @@
 #include <linux/module.h>
 #include <linux/suspend.h>
 #include <linux/errno.h>
+#include <linux/slab.h>
 
 #include <mach/pm.h>