From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 A64B0367297 for ; Sat, 10 Oct 2026 20:43:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791665003; cv=none; b=SoDrrIp83NEeGUq50/S8ImlDPHedv2qovGQ9w6pMt1ikzY8AU4POYP++d0qxrYl+ZBI2Z7reeH73eGznGzXJbaLqQ3UTvimC8DBLUyB24LVnj4LPFDPvDQF4UVSaDVD6cSvshSPCBQLERn31AcyTCmIczucPC3bU0U6Ot1rb/jc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791665003; c=relaxed/simple; bh=/dqtYMxuhPPRhUhaUw/thY3igQD0agOoykzCpom10DY=; h=Date:To:From:Subject:Message-Id; b=onR4zEbM0tdSiAPCZtz8j/3ePBmMOnQE3clEKO0bHAFOREQiGbDxk2gF5scfeWWF8HZ2T0bGgZzZQy9gdreclBO42hQglxvU3JKgE9XtvYnIWK7p5K8tIBOBDJRj7mqip8k3cStyEu+lDSIdsawPHvgu3RHeSjo5UoMxAdciQX0= 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=aBgCFoRf; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="aBgCFoRf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D18B61F000FF; Sat, 10 Oct 2026 20:43:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1791665001; bh=1OjZlEuJbunIigT0bV+yT5DI369xLZ7yWI+Ey+8y5YU=; h=Date:To:From:Subject; b=aBgCFoRfwaMTI7MJZSa0eqULN9TfFQ+I7c1ZFqXgBWZIeomRStzMZou+Wg8Z2rZod j0k2csOgAwet4PXF/whJr92GeCm+d+vT9Qofa4mhHE6dOj077SYDAt5hAexgLsvjKd 3ECdsPg523NLhNVyAKLQV1BA/PpojC4PvBrGCoA0= Date: Sat, 10 Oct 2026 13:43:21 -0700 To: mm-commits@vger.kernel.org,muchun.song@linux.dev,akpm@linux-foundation.org From: Andrew Morton Subject: + mm-mm_init-add-zone-mismatch-warning-during-page-init-fix.patch added to mm-unstable branch Message-Id: <20261010204321.D18B61F000FF@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: fixup! mm/mm_init: add zone mismatch warning during page init has been added to the -mm mm-unstable branch. Its filename is mm-mm_init-add-zone-mismatch-warning-during-page-init-fix.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-mm_init-add-zone-mismatch-warning-during-page-init-fix.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 various branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there most days ------------------------------------------------------ From: Muchun Song Subject: fixup! mm/mm_init: add zone mismatch warning during page init Date: Sat, 10 Oct 2026 19:55:23 +0800 Document the ordering of shared and retained struct page initialization. Link: https://lore.kernel.org/20261010115523.4005071-1-songmuchun@bytedance.com Signed-off-by: Muchun Song Signed-off-by: Andrew Morton Cc: Madhavan Srinivasan Cc: Mike Rapoport Cc: David Hildenbrand Cc: Michael Ellerman Cc: Nicholas Piggin Cc: Christophe Leroy Cc: Ritesh Harjani (IBM) Cc: Shrikanth Hegde Cc: Lorenzo Stoakes Cc: Liam R. Howlett Cc: Vlastimil Babka Cc: Suren Baghdasaryan Cc: Michal Hocko Cc: Qi Zheng Cc: Lance Yang --- mm/mm_init.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/mm/mm_init.c~mm-mm_init-add-zone-mismatch-warning-during-page-init-fix +++ a/mm/mm_init.c @@ -618,6 +618,10 @@ void __meminit __init_single_page(struct if (!is_highmem_idx(zone)) set_page_address(page, __va(pfn << PAGE_SHIFT)); #endif + /* + * Shared tail struct pages are initialized during vmemmap population, + * before retained struct pages reach here. + */ vmemmap_optimization_verify_zone(page); } _ Patches currently in -mm which might be from muchun.song@linux.dev are mm-sparse-vmemmap-drop-vmemmap_populate_dax.patch mm-sparse-vmemmap-support-device-dax-in-common-vmemmap-path.patch mm-sparse-vmemmap-drop-device-dax-specific-population-path.patch mm-sparse-vmemmap-remove-the-unused-ptpfn-argument.patch mm-sparse-vmemmap-open-code-vmemmap_populate_address.patch mm-mm_init-add-zone-mismatch-warning-during-page-init.patch mm-mm_init-add-zone-mismatch-warning-during-page-init-fix.patch mm-fix-missing-page-table-destructor-in-pagetable_free.patch riscv-mm-fix-hotplug-page-table-destructor-handling.patch riscv-mm-fix-missing-destructor-for-hotplug-pud-tables.patch arm64-mm-fix-destructor-for-unconstructed-hotplug-page-tables.patch