The patch titled Subject: mm/filemap: increase usage of folio_next_index() helper has been added to the -mm mm-unstable branch. Its filename is mm-filemap-increase-usage-of-folio_next_index-helper.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-filemap-increase-usage-of-folio_next_index-helper.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: Minjie Du <duminjie@xxxxxxxx> Subject: mm/filemap: increase usage of folio_next_index() helper Date: Thu, 21 Sep 2023 16:15:35 +0800 Simplify code pattern of 'folio->index + folio_nr_pages(folio)' by using the existing helper folio_next_index() in filemap_map_pages(). Link: https://lkml.kernel.org/r/20230921081535.3398-1-duminjie@xxxxxxxx Signed-off-by: Minjie Du <duminjie@xxxxxxxx> Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/filemap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/filemap.c~mm-filemap-increase-usage-of-folio_next_index-helper +++ a/mm/filemap.c @@ -3591,7 +3591,7 @@ vm_fault_t filemap_map_pages(struct vm_f addr += (xas.xa_index - last_pgoff) << PAGE_SHIFT; vmf->pte += xas.xa_index - last_pgoff; last_pgoff = xas.xa_index; - end = folio->index + folio_nr_pages(folio) - 1; + end = folio_next_index(folio) - 1; nr_pages = min(end, end_pgoff) - xas.xa_index + 1; if (!folio_test_large(folio)) _ Patches currently in -mm which might be from duminjie@xxxxxxxx are mm-filemap-increase-usage-of-folio_next_index-helper.patch