http://en.wikibooks.org/wiki/Grsecurity/Appendix/Grsecurity_and_PaX_Configuration_Options#Deter_exploit_bruteforcing
http://en.wikibooks.org/wiki/Grsecurity/Appendix/Grsecurity_and_PaX_Configuration_Options#Active_kernel_exploit_response
http://phrack.org/archives/issues/59/9.txt
http://phrack.org/archives/issues/58/4.txt
https://github.com/HardenedBSD/hardenedBSD/wiki/segvguard2-ideas---brainstorm