BUG_ON(!pmd_none(*pmd));
page_add_new_anon_rmap(new_page, vma, address);
set_pmd_at(mm, address, pmd, _pmd);
BUG_ON(!pmd_none(*pmd));
page_add_new_anon_rmap(new_page, vma, address);
set_pmd_at(mm, address, pmd, _pmd);
prepare_pmd_huge_pte(pgtable, mm);
mm->nr_ptes--;
spin_unlock(&mm->page_table_lock);
prepare_pmd_huge_pte(pgtable, mm);
mm->nr_ptes--;
spin_unlock(&mm->page_table_lock);