PG_NORMALPRI
pgcnt_t limit = (flags & PG_NORMALPRI) ?
pgflags |= PG_NORMALPRI;
pgflags |= PG_NORMALPRI;
if ((flags & (PG_WAIT | PG_NORMALPRI)) == PG_NORMALPRI) {
PG_NORELOC | PG_PANIC | PG_PUSHPAGE | PG_NORMALPRI)) == 0);
PG_NORELOC | PG_PANIC | PG_PUSHPAGE | PG_NORMALPRI)) == 0);