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 0947946D551 for ; Mon, 21 Sep 2026 22:49:43 +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=1790030985; cv=none; b=nONNE0ejEWHr6sGZk5xTNxorAbUxlAVM9kFA3N+AmtJAHagxfp7ne4v0RIEmbmzYGH4QxEmhZBb3yC0q53i4e/HoyvYYNf6C7pDO6SdmXgJ4Xc6beKRzjAaAXmDOrLleJeCuIiJO5TJV50KAb0mkzK1Ut2CSce36qdTloEhL4lw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790030985; c=relaxed/simple; bh=Tx0Og21cR5e4I56E7c3TFOWUJ5wQM+icYc8GWaXsYgE=; h=Date:To:From:Subject:Message-Id; b=Mbh+ztx8fv2gCMXcPPm47IPgB74gI6rLMtn8R1uycxBOKyAXe+KD38tygPicInu6d8mMBY1hg3VdUzBhqWD3eQuhHJTUEiXNVoJlq9MswAxxijZ7Gvav+OfQzzVjUuTZ2mypIE266hPyR0DDyZolI6gyqKWV4hGYc2wnjKJG1gw= 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=g7GKHrBz; 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="g7GKHrBz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8CF1E1F000FF; Mon, 21 Sep 2026 22:49:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1790030983; bh=PatdxLkaYy1P33eQoNMbxzBpwQs5OEO07CV6oPYRAm4=; h=Date:To:From:Subject; b=g7GKHrBzn1stX94SjGZABvOlyU6JJpHBdQjTKqFRohTQby4rRuCAAXHbbEJHWaYY9 wN44d98tK9klSGllnrwCHHLo6m4nGUIti8do2/vDm3pTcBoE/qZLu8m0+yF02sbOGS 3PxPR4xYQ4UK55HIla6czBwxD1KifQFKhrX/zeOA= Date: Mon, 21 Sep 2026 15:49:43 -0700 To: mm-commits@vger.kernel.org,david@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: + mm-sparse-remove-pfn_in_present_section.patch added to mm-new branch Message-Id: <20260921224943.8CF1E1F000FF@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: mm/sparse: remove pfn_in_present_section() has been added to the -mm mm-new branch. Its filename is mm-sparse-remove-pfn_in_present_section.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-sparse-remove-pfn_in_present_section.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: "David Hildenbrand (Arm)" Subject: mm/sparse: remove pfn_in_present_section() Date: Mon, 21 Sep 2026 21:58:59 +0200 Unused, let's remove it. Link: https://lore.kernel.org/20260921-b4-sparsemem_cleanups-v2-7-54d81d65e125@kernel.org Signed-off-by: David Hildenbrand (Arm) Signed-off-by: Andrew Morton Acked-by: Oscar Salvador Reviewed-by: Lorenzo Stoakes (ARM) Reviewed-by: Mike Rapoport (Microsoft) Cc: Liam R. Howlett Cc: Vlastimil Babka Cc: Suren Baghdasaryan Cc: Michal Hocko Cc: Kairui Song Cc: Qi Zheng Cc: Shakeel Butt Cc: Barry Song Cc: Axel Rasmussen Cc: Yuanchu Xie Cc: Wei Xu Cc: Baoquan He Cc: Baolin Wang Cc: Brendan Jackman Cc: Johannes Weiner Cc: Zi Yan Cc: Jan Kiszka Cc: Kieran Bingham Cc: Greg Kroah-Hartman Cc: Rafael J. Wysocki Cc: Danilo Krummrich --- include/linux/mmzone.h | 10 ---------- 1 file changed, 10 deletions(-) --- a/include/linux/mmzone.h~mm-sparse-remove-pfn_in_present_section +++ a/include/linux/mmzone.h @@ -2326,13 +2326,6 @@ static inline unsigned long next_valid_p #endif -static inline int pfn_in_present_section(unsigned long pfn) -{ - if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS) - return 0; - return present_section(__pfn_to_section(pfn)); -} - static inline unsigned long next_present_section_nr(unsigned long section_nr) { while (++section_nr <= __highest_used_section_nr) { @@ -2362,9 +2355,6 @@ static inline unsigned long next_present #else #define pfn_to_nid(pfn) (0) #endif - -#else -#define pfn_in_present_section pfn_valid #endif /* CONFIG_SPARSEMEM */ /* _ Patches currently in -mm which might be from david@kernel.org are maintainers-split-up-memory-management-memory-policy-and-migration.patch maintainers-move-memory-tiering-under-memory-management-numa-placement.patch maintainers-make-gregory-a-co-maintainer-of-memory-management-numa-placement.patch selftests-mm-khugepaged-remove-str_dup-usage.patch mm-sparse-move-mem_section-init-to-sparse_extreme_init.patch mm-sparse-refactor-sparse_sections_init.patch mm-sparse-move-initialization-of-section-metadata-to-sparse_metadata_init.patch mm-sparse-rename-and-cleanup-sparse_init_nid.patch mm-sparse-cleanup-sparse_init_one_section.patch mm-sparse-rename-__highest_present_section_nr-to-__highest_used_section_nr.patch mm-sparse-remove-pfn_in_present_section.patch mm-sparse-move-__highest_used_section_nr-handling.patch scripts-gdb-mmpy-remove-fallbacks-for-section_has_mem_map-and-section_is_early.patch mm-sparse-remove-section_marked_present.patch mm-sparse-remove-flags-parameter-from-sparse_init_one_section.patch fs-proc-page-clarify-comment-in-get_max_dump_pfn.patch mm-memory_hotplug-drop-config_have_arch_pfn_valid-handling-from-pfn_to_online_page.patch