* Divide CSQ in 2 communication techniques: one with 2 slots (as in
BatchQueue aka c_cache) and one with 64 slots (as in the article)
* Rename fake communication technique in none communication technique
and disable any activity (send no longer does anything)
Paper about CSQ uses memcpy in enqueue and dequeue. Although it is not
possible to use memcpy in enqueue because of current API, it is possible
to use memcpy in dequeue, hence this commit.
Pages cannots be freed as fast as they are allocated, so this whole
mecanism can only delay the kernel panic. It's wiser to exit badly if
too much memory is consumed