pmd_pgtable
pte = pmd_pgtable(*pmd);
#define pmd_pgtable pmd_pgtable
#ifndef pmd_pgtable
args->start_ptep = pmd_pgtable(pmdp_get(args->pmdp));
pmd_populate(mm, pmd, pmd_pgtable(_pmd));
pgtable = pmd_pgtable(_pmd);
pmd_populate(mm, pmd, pmd_pgtable(_pmd));
pte_free_defer(mm, pmd_pgtable(pgt_pmd));
pte_free_defer(mm, pmd_pgtable(pgt_pmd));
pmd_populate(vma->vm_mm, pmd, pmd_pgtable(orig_pmd));
pgtable_t token = pmd_pgtable(*pmd);
pte_free_tlb(tlb, pmd_pgtable(pmdval), addr);
pmd_populate(mm, new_pmd, pmd_pgtable(pmd));