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 196EE1BDCF for ; Sun, 20 Jul 2025 00:47:21 +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=1752972442; cv=none; b=hlx1q040MMhPPsHlYn/tLqKEK798wB156bRgVsOHNlgwpCPtabljBB/CdRfYiQkKtkYfzsxEnHa5fuorD9TaD477cNXAYrPSdXicVkvvw3wN35QOzXU8lZyfRtsppLnrimKjz2BVZiAnWphOBjJ4mrKkgnzy1vKNxa0AR0dsEAs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752972442; c=relaxed/simple; bh=O59GKD6rYAXnbdlfLRWOTM8BAh+Q95TLUNMxJK7HRiY=; h=Date:To:From:Subject:Message-Id; b=slY0mKJO5VcSvIqLHGr3WSlMhkNUwFm6BnSb6i7+6w+Zgm4/Gg2PacvKl77aVBFXyPWum6WbvR45JIEAkCsd7gEUXvLGpZ9Y1js0vCZwabB6b1XEFL4cyVjTHAElCwM9U6cTTyRfdlK4DIP1jQ+NVLfeTP0iVz407b8AENkQ8BU= 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=cLTKt3pH; 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="cLTKt3pH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 758D0C4CEE3; Sun, 20 Jul 2025 00:47:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1752972441; bh=O59GKD6rYAXnbdlfLRWOTM8BAh+Q95TLUNMxJK7HRiY=; h=Date:To:From:Subject:From; b=cLTKt3pHtpIVxHe6D/nM257Y0cClWKsAgmz42NHhJCUyO1r3Sk0yg4HfEudEAtRXV Pis57ypTH21yQ7fKc/7PpKAepCGZoAjDqrKx/Gyct4h9p6tDYIb0dMgi2FBnNslNzz lH7LIdLhPTi4mhzz5GxCpqww4Vq5RnVrCPk/XM7k= Date: Sat, 19 Jul 2025 17:47:20 -0700 To: mm-commits@vger.kernel.org,ryan.roberts@arm.com,npache@redhat.com,matthew.brost@intel.com,lorenzo.stoakes@oracle.com,liam.howlett@oracle.com,k.shutemov@gmail.com,hughd@google.com,dev.jain@arm.com,david@redhat.com,dan.carpenter@linaro.org,baolin.wang@linux.alibaba.com,baohua@kernel.org,balbirs@nvidia.com,antonio@mandelbit.com,ziy@nvidia.com,akpm@linux-foundation.org From: Andrew Morton Subject: + mm-huge_memory-remove-after_split-label-in-__split_unmapped_folio.patch added to mm-new branch Message-Id: <20250720004721.758D0C4CEE3@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: mm/huge_memory: remove after_split label in __split_unmapped_folio() has been added to the -mm mm-new branch. Its filename is mm-huge_memory-remove-after_split-label-in-__split_unmapped_folio.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-remove-after_split-label-in-__split_unmapped_folio.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. 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 Subject: mm/huge_memory: remove after_split label in __split_unmapped_folio() Date: Thu, 17 Jul 2025 22:29:56 -0400 Checking stop_split instead to avoid the goto statement. Link: https://lkml.kernel.org/r/20250718023000.4044406-3-ziy@nvidia.com Signed-off-by: Zi Yan Acked-by: David Hildenbrand Reviewed-by: Lorenzo Stoakes Cc: Antonio Quartulli Cc: Balbir Singh Cc: Baolin Wang Cc: Barry Song Cc: Dan Carpenter Cc: Dev Jain Cc: Hugh Dickins Cc: Kirill A. Shutemov Cc: Liam Howlett Cc: Mariano Pache Cc: Mathew Brost Cc: Ryan Roberts Signed-off-by: Andrew Morton --- mm/huge_memory.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) --- a/mm/huge_memory.c~mm-huge_memory-remove-after_split-label-in-__split_unmapped_folio +++ a/mm/huge_memory.c @@ -3463,18 +3463,18 @@ static int __split_unmapped_folio(struct if (xas_error(xas)) { ret = xas_error(xas); stop_split = true; - goto after_split; } } } - folio_split_memcg_refs(folio, old_order, split_order); - split_page_owner(&folio->page, old_order, split_order); - pgalloc_tag_split(folio, old_order, split_order); + if (!stop_split) { + folio_split_memcg_refs(folio, old_order, split_order); + split_page_owner(&folio->page, old_order, split_order); + pgalloc_tag_split(folio, old_order, split_order); - __split_folio_to_order(folio, old_order, split_order); + __split_folio_to_order(folio, old_order, split_order); + } -after_split: /* * Iterate through after-split folios and update folio stats. * But in buddy allocator like split, the folio _ Patches currently in -mm which might be from ziy@nvidia.com are selftests-mm-fix-split_huge_page_test-for-folio_split-tests.patch mm-huge_memory-move-unrelated-code-out-of-__split_unmapped_folio.patch mm-huge_memory-remove-after_split-label-in-__split_unmapped_folio.patch mm-huge_memory-deduplicate-code-in-__folio_split.patch mm-huge_memory-convert-vm_bug-to-vm_warn-in-__folio_split.patch mm-huge_memory-get-frozen-folio-refcount-with-folio_expected_ref_count.patch mm-huge_memory-refactor-after-split-page-cache-code.patch