make_huge_pte
pte_t newpte = make_huge_pte(vma, new_folio, true);
pte_t newpte = make_huge_pte(vma, new_folio, !unshare);
new_pte = make_huge_pte(vma, folio, vma->vm_flags & VM_SHARED);
_dst_pte = make_huge_pte(dst_vma, folio,