On Wed, Nov 02, 2022 at 06:48:45PM -0700, Hugh Dickins wrote: > @@ -260,13 +267,16 @@ struct page { > * to find how many references there are to this folio. > * @memcg_data: Memory Control Group data. > * @_flags_1: For large folios, additional page flags. > - * @__head: Points to the folio. Do not use. > + * @_head_1: Points to the folio. Do not use. > * @_folio_dtor: Which destructor to use for this folio. > * @_folio_order: Do not use directly, call folio_order(). > * @_total_mapcount: Do not use directly, call folio_entire_mapcount(). > * @_pincount: Do not use directly, call folio_maybe_dma_pinned(). > * @_folio_nr_pages: Do not use directly, call folio_nr_pages(). > - * @_private_1: Do not use directly, call folio_get_private_1(). Looks like it misses + * @_flags_2: For large folios, additional page flags. + * @_head_2: Points to the folio. Do not use. to match the first tail page documentation. Otherwise the patch looks good to me: Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> -- Kiryl Shutsemau / Kirill A. Shutemov