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 2B4E13081D6 for ; Thu, 23 Apr 2026 12:37:21 +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=1776947841; cv=none; b=t9CIaw91Bq9cj6JxZ+FgpzCmc1yOxZQYhKyDcDELSnT5N0TADw+wvJZhCbk3r06DB5WiIVlxAYKvn0FeuFo/rpuj7KqiDujg3nCPzRpfmIC83TmQk0+vujo26pIjniqDHQA21Om74J4qHKznGthR+f0ZOQ159Gi7dgTha3ItDg4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776947841; c=relaxed/simple; bh=It9jT42UTMyZ1NkbavfKeu1LfqgdZRwjbUVsA6XWBYQ=; h=Date:To:From:Subject:Message-Id; b=ZU4jx5U5fFLi2xydCMyouuoPHvqwqD8EGh0m0TXpZ44J1czprzKqRCRiL0g/M9QtxB43sGWGLGebHkdotUWPthSv/vJ91euFHnySSI/mg8oOa9kKC6b3uEMVtb2qsdOXVwH6bQIavUl4ZcjxzRtUZacuhSn03GElGE7y9++/S5Q= 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=jL5M+atx; 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="jL5M+atx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E4C6BC2BCAF; Thu, 23 Apr 2026 12:37:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1776947841; bh=It9jT42UTMyZ1NkbavfKeu1LfqgdZRwjbUVsA6XWBYQ=; h=Date:To:From:Subject:From; b=jL5M+atx9q9GMUl05nvZ0rPQ1naqFssR7mHF+a2khKD1LYWtiDcoeSXU9GmW/v5gJ AGq5lmy3job0ff+dJKXmKmsSzRrj+XKlA9uQrFwctGemmeh+pnQfhKlw4qoXLwspaY lysAfwPCH1pMYxJQkh45D888EyKTCt4I8jfcwD5I= Date: Thu, 23 Apr 2026 05:37:20 -0700 To: mm-commits@vger.kernel.org,surenb@google.com,rppt@kernel.org,mhocko@suse.com,ljs@kernel.org,liam@infradead.org,david@kernel.org,chengkaitao@kylinos.cn,akpm@linux-foundation.org From: Andrew Morton Subject: + mm-convert-vmemmap_pd_populate-to-static-functions.patch added to mm-new branch Message-Id: <20260423123720.E4C6BC2BCAF@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: mm: convert vmemmap_p?d_populate() to static functions has been added to the -mm mm-new branch. Its filename is mm-convert-vmemmap_pd_populate-to-static-functions.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-convert-vmemmap_pd_populate-to-static-functions.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: Chengkaitao Subject: mm: convert vmemmap_p?d_populate() to static functions Date: Thu, 23 Apr 2026 18:14:41 +0800 Since the vmemmap_p?d_populate functions are unused outside the mm subsystem, we can remove their external declarations and convert them to static functions. Link: https://lore.kernel.org/20260423101441.7089-1-kaitao.cheng@linux.dev Signed-off-by: Chengkaitao Acked-by: David Hildenbrand (arm) Cc: David Hildenbrand Cc: Liam Howlett Cc: Lorenzo Stoakes (Oracle) Cc: Michal Hocko Cc: Mike Rapoport Cc: Suren Baghdasaryan Signed-off-by: Andrew Morton --- include/linux/mm.h | 7 ------- mm/sparse-vmemmap.c | 10 +++++----- 2 files changed, 5 insertions(+), 12 deletions(-) --- a/include/linux/mm.h~mm-convert-vmemmap_pd_populate-to-static-functions +++ a/include/linux/mm.h @@ -4860,13 +4860,6 @@ unsigned long section_map_size(void); struct page * __populate_section_memmap(unsigned long pfn, unsigned long nr_pages, int nid, struct vmem_altmap *altmap, struct dev_pagemap *pgmap); -pgd_t *vmemmap_pgd_populate(unsigned long addr, int node); -p4d_t *vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node); -pud_t *vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node); -pmd_t *vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node); -pte_t *vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node, - struct vmem_altmap *altmap, unsigned long ptpfn, - unsigned long flags); void *vmemmap_alloc_block(unsigned long size, int node); struct vmem_altmap; void *vmemmap_alloc_block_buf(unsigned long size, int node, --- a/mm/sparse-vmemmap.c~mm-convert-vmemmap_pd_populate-to-static-functions +++ a/mm/sparse-vmemmap.c @@ -151,7 +151,7 @@ void __meminit vmemmap_verify(pte_t *pte start, end - 1); } -pte_t * __meminit vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node, +static pte_t * __meminit vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node, struct vmem_altmap *altmap, unsigned long ptpfn, unsigned long flags) { @@ -195,7 +195,7 @@ static void * __meminit vmemmap_alloc_bl return p; } -pmd_t * __meminit vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node) +static pmd_t * __meminit vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node) { pmd_t *pmd = pmd_offset(pud, addr); if (pmd_none(*pmd)) { @@ -208,7 +208,7 @@ pmd_t * __meminit vmemmap_pmd_populate(p return pmd; } -pud_t * __meminit vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node) +static pud_t * __meminit vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node) { pud_t *pud = pud_offset(p4d, addr); if (pud_none(*pud)) { @@ -221,7 +221,7 @@ pud_t * __meminit vmemmap_pud_populate(p return pud; } -p4d_t * __meminit vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node) +static p4d_t * __meminit vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node) { p4d_t *p4d = p4d_offset(pgd, addr); if (p4d_none(*p4d)) { @@ -234,7 +234,7 @@ p4d_t * __meminit vmemmap_p4d_populate(p return p4d; } -pgd_t * __meminit vmemmap_pgd_populate(unsigned long addr, int node) +static pgd_t * __meminit vmemmap_pgd_populate(unsigned long addr, int node) { pgd_t *pgd = pgd_offset_k(addr); if (pgd_none(*pgd)) { _ Patches currently in -mm which might be from chengkaitao@kylinos.cn are mm-convert-vmemmap_pd_populate-to-static-functions.patch