diff --git a/sys/compat/linuxkpi/common/include/linux/dma-mapping.h b/sys/compat/linuxkpi/common/include/linux/dma-mapping.h
index 2662923eb90..291bd4a8e7c 100644
--- a/sys/compat/linuxkpi/common/include/linux/dma-mapping.h
+++ b/sys/compat/linuxkpi/common/include/linux/dma-mapping.h
@@ -38,6 +38,7 @@
 #include <linux/scatterlist.h>
 #include <linux/mm.h>
 #include <linux/page.h>
+#include <linux/sizes.h>
 
 #include <sys/systm.h>
 #include <sys/malloc.h>