segvn_softunlock
static void segvn_softunlock(struct seg *, caddr_t, size_t, enum seg_rw);
segvn_softunlock(seg, lpgaddr, a - lpgaddr, S_OTHER);
segvn_softunlock(seg, lpgaddr, a - lpgaddr, S_OTHER);
segvn_softunlock(seg, lpgaddr, lpgeaddr - lpgaddr, rw);
segvn_softunlock(seg, addr, (a - addr),