I have amd64 machine should I use only this file (/usr/src/sys/amd64/conf/NOTES) instead of my GENERIC files (/usr/src/sys/amd64/conf/GENERIC) or I keep my GENERIC file and put to it lines from (amd64) NOTES? What about general NOTES in (/usr/src/sys/conf/NOTES)? Can I take lines from it also?