[Cake] Cake in userspace

[Jonathan Morton]

> On 18 Apr, 2016, at 14:40, Henning Rogge <hrogge at gmail.com> wrote:
> 
> But the relevant include file does not contain it. Most likely an
> Ubuntu problem.

There seem often to be problems with Ubuntu kernels’ internal APIs not matching their nominal version numbers.  I advise keeping a local, manually hacked version of codel5_compat.h, unless someone knows a foolproof way of distinguishing an Ubuntu kernel from a normal one.

 - Jonathan Morton