The quilt patch titled Subject: mm: add split_folio() has been removed from the -mm tree. Its filename was mm-add-split_folio.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: add split_folio() Date: Fri, 2 Sep 2022 20:46:00 +0100 This wrapper removes a need to use split_huge_page(&folio->page). Convert two callers. Link: https://lkml.kernel.org/r/20220902194653.1739778-5-willy@xxxxxxxxxxxxx Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/huge_mm.h | 5 +++++ mm/shmem.c | 2 +- mm/truncate.c | 2 +- 3 files changed, 7 insertions(+), 2 deletions(-) --- a/include/linux/huge_mm.h~mm-add-split_folio +++ a/include/linux/huge_mm.h @@ -444,6 +444,11 @@ static inline int split_folio_to_list(st return split_huge_page_to_list(&folio->page, list); } +static inline int split_folio(struct folio *folio) +{ + return split_folio_to_list(folio, NULL); +} + /* * archs that select ARCH_WANTS_THP_SWAP but don't support THP_SWP due to * limitations in the implementation like arm64 MTE can override this to --- a/mm/shmem.c~mm-add-split_folio +++ a/mm/shmem.c @@ -629,7 +629,7 @@ next: goto move_back; } - ret = split_huge_page(&folio->page); + ret = split_folio(folio); folio_unlock(folio); folio_put(folio); --- a/mm/truncate.c~mm-add-split_folio +++ a/mm/truncate.c @@ -240,7 +240,7 @@ bool truncate_inode_partial_folio(struct folio_invalidate(folio, offset, length); if (!folio_test_large(folio)) return true; - if (split_huge_page(&folio->page) == 0) + if (split_folio(folio) == 0) return true; if (folio_test_dirty(folio)) return false; _ Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are