Here is a list of sources of inspiration to write the O'TOP project:
Use fsync() and fdatasync() to be sure that the mmap()ed memory image file is well updated on disk. The file should always contain two states, a current one and a synchronized one see persistency.
Talk about the way we can use Tunes to build wrappers around POSIX emulator, so as to achieve better, more finely-grained configurable black-boxen than a Unix kernel can ever achieve?