anon_zero
extern struct page *anon_zero(struct seg *, caddr_t,
pp = anon_zero(sptseg, spt_addr, &ap, kcred);
pp = anon_zero(newseg, addr, &newap,
if ((pp = anon_zero(seg, addr, &ap,
pp = anon_zero(seg, addr, &ap,
pp = anon_zero(seg, addr, &ap, cred);
pp = anon_zero(seg, addr, &ap, svd->cred);
ppa[0] = anon_zero(seg, addr, &ap, cred);
pp = anon_zero(seg, addr, &ap, cred);