From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CC6CC37F8BD for ; Sat, 25 Apr 2026 22:01:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777154498; cv=none; b=oe+OhoVV7cVcoH7H51plLNGqy3W3JSVZnbd9g9fxSTzI4TGBEhdhkJCH1nsSxEjXJ9YdoPs63HfiBw79SaOac2Jkg8bxRGdviiSH5jweJm3ND5ncIunMa6VMEGj7/JSbO4PEvWuX7cR6MvmE+vOSmBQcQ2FWae7YZnCwmx5OalY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777154498; c=relaxed/simple; bh=dh5HLITTFQ1XaOs8A8UGFaCOb1b53PyWRmQiAt+VY64=; h=Date:To:From:Subject:Message-Id; b=nWPyB9cBmc08wfOv/KQxkrOWlu1oTOK/FtA5WlEWBx0r2AD30AWK24pCK5VNno+o/pi4ANUrV/xifDOJ86/SYcKdwnSCM4rp4HJ9jUYewZ39FTpp/+WDIB2CJ+BbvMprMaRm5y9BvKG0x+tjd4cIUuGgysgYWX/o6VS74WJyy4o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=ywxJl8Sm; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="ywxJl8Sm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7C127C2BCB5; Sat, 25 Apr 2026 22:01:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1777154498; bh=dh5HLITTFQ1XaOs8A8UGFaCOb1b53PyWRmQiAt+VY64=; h=Date:To:From:Subject:From; b=ywxJl8SmOvv4ci+92CePBa2ABKVgUhke7HVvBfaBIyrwVZ+Vaim55JIqmYJ3X1L5a Qhfr7LnkaDvKtM2tdbIzlVORyP7BDKpHQLvt85VwKwIoVOMbnwo9sUBqF34BT/OxTE VSkf6QQ0STq+hOXOdKXrwyJNFpPbtSxRj+0/cLhU= Date: Sat, 25 Apr 2026 15:01:37 -0700 To: mm-commits@vger.kernel.org,ziy@nvidia.com,akpm@linux-foundation.org,akpm@linux-foundation.org From: Andrew Morton Subject: + mm-khugepaged-remove-read_only_thp_for_fs-check-fix.patch added to mm-new branch Message-Id: <20260425220138.7C127C2BCB5@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: mm-khugepaged-remove-read_only_thp_for_fs-check-fix has been added to the -mm mm-new branch. Its filename is mm-khugepaged-remove-read_only_thp_for_fs-check-fix.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-khugepaged-remove-read_only_thp_for_fs-check-fix.patch This patch will later appear in the mm-new branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Note, mm-new is a provisional staging ground for work-in-progress patches, and acceptance into mm-new is a notification for others take notice and to finish up reviews. Please do not hesitate to respond to review feedback and post updated versions to replace or incrementally fixup patches in mm-new. The mm-new branch of mm.git is not included in linux-next If a few days of testing in mm-new is successful, the patch will me moved into mm.git's mm-unstable branch, which is included in linux-next 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 various branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there most days ------------------------------------------------------ From: Andrew Morton Subject: mm-khugepaged-remove-read_only_thp_for_fs-check-fix Date: Sat Apr 25 02:54:04 PM PDT 2026 fix arm64 allnoconfig by uninlining mapping_pmd_thp_support() In file included from ./include/linux/mm.h:31, from fs/inode.c:9: ./include/linux/pagemap.h: In function 'mapping_pmd_thp_support': ./include/linux/pgtable.h:8:26: error: 'PMD_SHIFT' undeclared (first use in this function); did you mean 'PUD_SHIFT'? 8 | #define PMD_ORDER (PMD_SHIFT - PAGE_SHIFT) | ^~~~~~~~~ ./include/linux/pagemap.h:521:52: note: in expansion of macro 'PMD_ORDER' 521 | return mapping_max_folio_order(mapping) >= PMD_ORDER; | ^~~~~~~~~ ./include/linux/pgtable.h:8:26: note: each undeclared identifier is reported only once for each function it appears in 8 | #define PMD_ORDER (PMD_SHIFT - PAGE_SHIFT) | ^~~~~~~~~ ./include/linux/pagemap.h:521:52: note: in expansion of macro 'PMD_ORDER' 521 | return mapping_max_folio_order(mapping) >= PMD_ORDER; | ^~~~~~~~~ make[3]: *** [scripts/Makefile.build:289: fs/inode.o] Error 1 make[2]: *** [scripts/Makefile.build:548: fs] Error 2 make[1]: *** [/usr/src/25/Makefile:2139: .] Error 2 make: *** [Makefile:248: __sub-make] Error 2 Cc: Zi Yan Signed-off-by: Andrew Morton --- include/linux/pagemap.h | 9 +-------- mm/filemap.c | 8 ++++++++ 2 files changed, 9 insertions(+), 8 deletions(-) --- a/include/linux/pagemap.h~mm-khugepaged-remove-read_only_thp_for_fs-check-fix +++ a/include/linux/pagemap.h @@ -513,14 +513,7 @@ static inline bool mapping_large_folio_s return mapping_max_folio_order(mapping) > 0; } -static inline bool mapping_pmd_thp_support(const struct address_space *mapping) -{ - /* AS_FOLIO_ORDER is only reasonable for pagecache folios */ - VM_WARN_ON_ONCE((unsigned long)mapping & FOLIO_MAPPING_ANON); - - return mapping_max_folio_order(mapping) >= PMD_ORDER; -} - +bool mapping_pmd_thp_support(const struct address_space *mapping); /* Return the maximum folio size for this pagecache mapping, in bytes. */ static inline size_t mapping_max_folio_size(const struct address_space *mapping) --- a/mm/filemap.c~mm-khugepaged-remove-read_only_thp_for_fs-check-fix +++ a/mm/filemap.c @@ -126,6 +126,14 @@ * ->private_lock (zap_pte_range->block_dirty_folio) */ +bool mapping_pmd_thp_support(const struct address_space *mapping) +{ + /* AS_FOLIO_ORDER is only reasonable for pagecache folios */ + VM_WARN_ON_ONCE((unsigned long)mapping & FOLIO_MAPPING_ANON); + + return mapping_max_folio_order(mapping) >= PMD_ORDER; +} + static void page_cache_delete(struct address_space *mapping, struct folio *folio, void *shadow) { _ Patches currently in -mm which might be from akpm@linux-foundation.org are mm-page_alloc-fix-initialization-of-tags-of-the-huge-zero-folio-with-init_on_free-fix.patch mm-khugepaged-remove-read_only_thp_for_fs-check-fix.patch mm-page_owner-add-numa-node-filter-with-nodelist-support-fix.patch include-asm-generic-fixmaph-reimplement-nasty-macros-in-c.patch proc-rewrite-next_tgid-fix.patch