* kernel/memory/xalloc.c: rename fields flist, table, link
* kernel/Kernel.tex.nw: syncweb
* sys/src/9/port/cis.c:
* kernel/Kernel.tex.nw:
tried remove kern_addr3 but too hard, too many type errors
* kernel/Kernel.tex.nw: use MB, KB, kern_addrify, split page, segment,
better understand swap, palloc
* kernel/Kernel.tex.nw: better Segment section
* kernel/Kernel.tex.nw: better profiler, misc stuff
* kernel/Kernel.tex.nw: start reorg swap section