diff --git a/arch/cris/include/arch-v10/arch/Kbuild b/arch/cris/include/arch-v10/arch/Kbuild
index e69de29bb2d1..1f0fc7a66f5f 100644
--- a/arch/cris/include/arch-v10/arch/Kbuild
+++ b/arch/cris/include/arch-v10/arch/Kbuild
@@ -0,0 +1 @@
+# CRISv10 arch
diff --git a/arch/cris/include/arch-v32/arch/Kbuild b/arch/cris/include/arch-v32/arch/Kbuild
index e69de29bb2d1..2fd65c7e15c9 100644
--- a/arch/cris/include/arch-v32/arch/Kbuild
+++ b/arch/cris/include/arch-v32/arch/Kbuild
@@ -0,0 +1 @@
+# CRISv32 arch
diff --git a/arch/cris/include/uapi/asm/swab.h b/arch/cris/include/uapi/asm/swab.h
index e69de29bb2d1..4adf1e9f0b09 100644
--- a/arch/cris/include/uapi/asm/swab.h
+++ b/arch/cris/include/uapi/asm/swab.h
@@ -0,0 +1,3 @@
+/*
+ * CRIS byte swapping.
+ */