> The uClinux effort, per my understanding, was running independently for some time, before the decision has been made to mainline it, meaning it is now part of the Linux source code itself. Basically, what this means for us is that uClinux is now a set of configurations in the kernel build config, and we’ll get our MMU-less build easily.

Wow! How much of a regular desktop PC userland could I run entirely with a flat shared address space?