Maybe I'm missing something, but where does this discussion about killing nommu even come from? Nommu is a long standing and reasonable well maintained part of the kernel, why would anyone want to kill it for no good reason? I know quite a lot of products shipping it. Btw, nommu UML certainly sounds interesting to me, at least indirectly. I have a project for next year or so for which the linux kernel library or something like it would be useful to run an in-kernel workload as a user space process if needed. nommu uml sounds like a really good base for that as there basically won't be any userspace that needs memory protection to start with.
