It is much easier if you use ELRepo's kernel-ml (http://elrepo.org/tiki/kernel-ml).
Does look like a better long term solution, fedora was just a hack for testing :-).
I guess it is time to make yet another bugzilla account and submit a bug...
Yes, good idea.
And here it is: http://bugs.centos.org/view.php?id=7505