+=head1 OPTIONS
+
+=over 4
+
+=item --files=filelist
+
+C<filelist> should be a file containing a list of the files to be
+added to the initramfs (one per line). Only those files are added and
+any others are ignored.
+
+When the C<--files> option is not given, all files in C<DIR> are added
+to the initramfs image.
+
+=back
+