EX_BOUNDZERO
boundary, EX_NOWAIT | EX_BOUNDZERO, &ims->ims_er, &dvmaddr);
EX_NOWAIT | EX_BOUNDZERO, &ims->ims_er, (u_long *)&dvmaddr);
EX_NOWAIT | EX_BOUNDZERO, &ims->ims_er, (u_long *)&dvmaddr);
NBPG, 0, 0, EX_NOWAIT | EX_BOUNDZERO,
EX_NOWAIT | EX_BOUNDZERO, &ims->ims_er, (u_long *)&dvmaddr);
EX_NOWAIT | EX_BOUNDZERO, &ims->ims_er, (u_long *)&dvmaddr);
(flags & EX_BOUNDZERO) ? 0 : ex->ex_start)
(flags & EX_BOUNDZERO) ? 0 : ex->ex_start)