don't use GCC-isms in MI code (from cgd)

multi-page interface for get/put.

lint

convert to use new queue structures

keep indices constant even if a pager is not configured

finish up new device pager: all pagers get offsets

4.4BSD snapshot (revision 8.1); add 1993 to copyright

all pagers change from pseudo-devices to options

avoid panic's on msync'ing active pages

cleanup

convert vm_page bit fields to flags

new include format; lint

allow subset of pagers to be defined (net2/sys/7)

can_persist bit field replaced with a flag

avoid illegal &0 definitions (from bowen@cs.Buffalo.EDU)

use pmap_enter/remove instead of hard PTE ops
(requires kludge in pmap module)

update to new CMU copyright and distribution terms

fix includes; new proc struct; rm *_NULL

adopted from Mach 2.5