segmap_pageunlock
segmap_pageunlock(segkmap, base, (size_t)n,
segmap_pageunlock(segkmap, base + on,
segmap_pageunlock(segkmap, base + segmap_offset,
segmap_pageunlock(segkmap, base, (size_t)n, S_WRITE);
segmap_pageunlock(segkmap, base, (size_t)n, S_WRITE);
extern void segmap_pageunlock(struct seg *, caddr_t, size_t, enum seg_rw);