merge in tahoe support

4.3BSD release version

lint

slattach

keep text free list, cache all texts as sticky

INET || BBNNET; ctlinput now takes sockaddr as arg

adjust maxpgio for number of swap devices after counting them,
using something between what was used and what was attempted in binit

Add copyright

implement high-water mark on file descriptors in use;
cleanup old comments

u.u_ap now set up once in process 0; limits are initialized in vminit()

setup of paging constants and p_maxrss is now done in the paging daemon.

Change to includes. no more ../h

reverse order of process creation, so we don't have to screw with
mpid and proc order; move default umask into global so can be patched

rework namei interface to eliminate global variables

linked lists of active, zombie and free procs; avoid linear proc
searches wherever possible

add system wide cacheing of path names in namei() (from kre)

4.2 distribution

purge #if sun's

cleanup

purge mush

changes from sun to do swapping on variable sized devices

no more NOPAGING (yeah)

add NOGROUP identifier; add groupmember function; tighten group
lookup loop to stop at first NOGROUP entry

add startup for profiling clock

this screws up make depend otherwise