diff --git a/contrib/smbfs/FREEBSD-upgrade b/contrib/smbfs/FREEBSD-upgrade
new file mode 100644
index 000000000000..6fad7c6d729e
--- /dev/null
+++ b/contrib/smbfs/FREEBSD-upgrade
@@ -0,0 +1,6 @@
+$FreeBSD$
+
+The smbfs distribution was written with FreeBSD in mind, so the only
+change required before an import is:
+
+rm -rf kernel