The quilt patch titled Subject: mm: remove page_mapping_file() has been removed from the -mm tree. Its filename was mm-remove-page_mapping_file.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> Subject: mm: remove page_mapping_file() Date: Wed, 2 Aug 2023 16:13:58 +0100 This function has no more users. Link: https://lkml.kernel.org/r/20230802151406.3735276-31-willy@xxxxxxxxxxxxx Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Reviewed-by: Anshuman Khandual <anshuman.khandual@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/pagemap.h | 8 -------- 1 file changed, 8 deletions(-) --- a/include/linux/pagemap.h~mm-remove-page_mapping_file +++ a/include/linux/pagemap.h @@ -414,14 +414,6 @@ static inline struct address_space *page return folio_file_mapping(page_folio(page)); } -/* - * For file cache pages, return the address_space, otherwise return NULL - */ -static inline struct address_space *page_mapping_file(struct page *page) -{ - return folio_flush_mapping(page_folio(page)); -} - /** * folio_inode - Get the host inode for this folio. * @folio: The folio. _ Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are