The patch titled Subject: mm/filemap.c: convert page_endio() to use a folio has been added to the -mm mm-unstable branch. Its filename is filemap-convert-page_endio-to-use-a-folio.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/filemap-convert-page_endio-to-use-a-folio.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Shaoqin Huang <shaoqin.huang@xxxxxxxxx> Subject: mm/filemap.c: convert page_endio() to use a folio Date: Tue, 9 Aug 2022 10:32:56 +0800 Replace three calls to compound_head() with one. Link: https://lkml.kernel.org/r/20220809023256.178194-1-shaoqin.huang@xxxxxxxxx Signed-off-by: Shaoqin Huang <shaoqin.huang@xxxxxxxxx> Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/filemap.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) --- a/mm/filemap.c~filemap-convert-page_endio-to-use-a-folio +++ a/mm/filemap.c @@ -1633,24 +1633,26 @@ EXPORT_SYMBOL(folio_end_writeback); */ void page_endio(struct page *page, bool is_write, int err) { + struct folio *folio = page_folio(page); + if (!is_write) { if (!err) { - SetPageUptodate(page); + folio_mark_uptodate(folio); } else { - ClearPageUptodate(page); - SetPageError(page); + folio_clear_uptodate(folio); + folio_set_error(folio); } - unlock_page(page); + folio_unlock(folio); } else { if (err) { struct address_space *mapping; - SetPageError(page); - mapping = page_mapping(page); + folio_set_error(folio); + mapping = folio_mapping(folio); if (mapping) mapping_set_error(mapping, err); } - end_page_writeback(page); + folio_end_writeback(folio); } } EXPORT_SYMBOL_GPL(page_endio); _ Patches currently in -mm which might be from shaoqin.huang@xxxxxxxxx are filemap-convert-page_endio-to-use-a-folio.patch