anon_private
extern struct page *anon_private(struct anon **, struct seg *,
pp = anon_private(&newap, newseg, addr, prot,
pp = anon_private(&ap, seg, addr, prot, opp, pageflags, svd->cred);
if ((pp = anon_private(&ap, seg, a, prot,
pp = anon_private(&ap, seg, addr, prot, pl[0],