update for new VM

update for new VM

SCCS-vsn: sys/miscfs/specfs/spec_vnops.c 7.29
SCCS-vsn: sys/kern/subr_log.c 7.10
SCCS-vsn: sys/kern/subr_prf.c 7.19
SCCS-vsn: sys/kern/subr_rmap.c 7.5
SCCS-vsn: sys/kern/sys_process.c 7.14
SCCS-vsn: sys/kern/uipc_mbuf.c 7.18
SCCS-vsn: sys/kern/sysv_shm.c 7.10
SCCS-vsn: sys/kern/vfs_syscalls.c 7.60
SCCS-vsn: sys/kern/kern_exit.c 7.29
SCCS-vsn: sys/kern/kern_proc.c 7.13
SCCS-vsn: sys/kern/kern_sig.c 7.25
SCCS-vsn: sys/kern/kern_synch.c 7.13
SCCS-vsn: sys/kern/tty.c 7.37
SCCS-vsn: sys/kern/vfs_vnops.c 7.25