The patch titled Subject: mm/huge_memory: use NULL instead of 0 for folio->private assignment. has been added to the -mm mm-unstable branch. Its filename is mm-huge_memory-add-two-new-not-yet-used-functions-for-folio_split-fix-2.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-huge_memory-add-two-new-not-yet-used-functions-for-folio_split-fix-2.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: Zi Yan <ziy@xxxxxxxxxx> Subject: mm/huge_memory: use NULL instead of 0 for folio->private assignment. Date: Thu, 13 Mar 2025 10:04:20 -0400 It makes sparse happy. Link: https://lkml.kernel.org/r/1E11B9DD-3A87-4C9C-8FB4-E1324FB6A21A@xxxxxxxxxx Signed-off-by: Zi Yan <ziy@xxxxxxxxxx> Reported-by: kernel test robot <lkp@xxxxxxxxx> Closes: https://lore.kernel.org/oe-kbuild-all/202503131109.s7iuWfGq-lkp@xxxxxxxxx/ Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/huge_memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/huge_memory.c~mm-huge_memory-add-two-new-not-yet-used-functions-for-folio_split-fix-2 +++ a/mm/huge_memory.c @@ -3584,7 +3584,7 @@ static void __split_folio_to_order(struc */ if (unlikely(new_folio->private)) { VM_WARN_ON_ONCE_PAGE(true, new_head); - new_folio->private = 0; + new_folio->private = NULL; } if (folio_test_swapcache(folio)) _ Patches currently in -mm which might be from ziy@xxxxxxxxxx are mm-migrate-fix-shmem-xarray-update-during-migration.patch mm-huge_memory-drop-beyond-eof-folios-with-the-right-number-of-refs.patch selftests-mm-make-file-backed-thp-split-work-by-writing-pmd-size-data.patch mm-huge_memory-allow-split-shmem-large-folio-to-any-lower-order.patch selftests-mm-test-splitting-file-backed-thp-to-any-lower-order.patch xarray-add-xas_try_split-to-split-a-multi-index-entry.patch mm-huge_memory-add-two-new-not-yet-used-functions-for-folio_split.patch mm-huge_memory-add-two-new-not-yet-used-functions-for-folio_split-fix.patch mm-huge_memory-add-two-new-not-yet-used-functions-for-folio_split-fix-2.patch mm-huge_memory-move-folio-split-common-code-to-__folio_split.patch mm-huge_memory-add-buddy-allocator-like-non-uniform-folio_split.patch mm-huge_memory-remove-the-old-unused-__split_huge_page.patch mm-huge_memory-add-folio_split-to-debugfs-testing-interface.patch mm-truncate-use-folio_split-in-truncate-operation.patch selftests-mm-add-tests-for-folio_split-buddy-allocator-like-split.patch mm-filemap-use-xas_try_split-in-__filemap_add_folio.patch mm-shmem-use-xas_try_split-in-shmem_split_large_entry.patch