diff --git a/drivers/base/iommu.c b/drivers/base/iommu.c
index 9f0e672f4be84ff35489b8f5e8724898ec3d9f12..8ad4ffea6920429e0185dd2b7675bd468ed5c354 100644
--- a/drivers/base/iommu.c
+++ b/drivers/base/iommu.c
@@ -18,6 +18,8 @@
 
 #include <linux/bug.h>
 #include <linux/types.h>
+#include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/errno.h>
 #include <linux/iommu.h>