1 files changed, 13 insertions, 0 deletions
diff --git a/etc/rc.subr b/etc/rc.subr
index 9830ec8..74784b9 100644
--- a/etc/rc.subr
+++ b/etc/rc.subr
@@ -1273,3 +1273,16 @@ devfs_mount_jail()
 	fi
 	return 0
 }
+
+# Provide a function for normalizing the mounting of memory
+# filesystems.  This should allow the rest of the code here to remain
+# as close as possible between 5-current and 4-stable.
+#   $1 = size
+#   $2 = mount point
+#   $3 = (optional) bytes-per-inode
+mount_md() {
+	if [ -n "$3" ]; then
+		bpi="-i $3"
+	fi
+	/sbin/mdmfs $bpi -s $1 -M md $2
+}