http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.588.4660&rep=rep1&type=pdf
http://events.linuxfoundation.org/sites/events/files/slides/elc_2016_mem_0.pdf
http://www.makelinux.net/ldd3/chp-15-sect-1
http://www.tldp.org/LDP/tlk/mm/memory.html