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GET /api/1.2/patches/2219933/?format=api
{ "id": 2219933, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2219933/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260405125240.2558577-9-songmuchun@bytedance.com/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/1.2/projects/2/?format=api", "name": "Linux PPC development", "link_name": "linuxppc-dev", "list_id": "linuxppc-dev.lists.ozlabs.org", "list_email": "linuxppc-dev@lists.ozlabs.org", "web_url": "https://github.com/linuxppc/wiki/wiki", "scm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git", "webscm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/", "list_archive_url_format": "https://lore.kernel.org/linuxppc-dev/{}/", "commit_url_format": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}" }, "msgid": "<20260405125240.2558577-9-songmuchun@bytedance.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20260405125240.2558577-9-songmuchun@bytedance.com/", "date": "2026-04-05T12:51:59", "name": "[08/49] mm: Convert vmemmap_p?d_populate() to static functions", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "454e005fee7f7af28593a65484c34afe2d90d8b5", "submitter": { "id": 78930, "url": "http://patchwork.ozlabs.org/api/1.2/people/78930/?format=api", "name": "Muchun Song", "email": "songmuchun@bytedance.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260405125240.2558577-9-songmuchun@bytedance.com/mbox/", "series": [ { "id": 498783, "url": "http://patchwork.ozlabs.org/api/1.2/series/498783/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=498783", "date": "2026-04-05T12:51:51", "name": "mm: Generalize vmemmap optimization for DAX and HugeTLB", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/498783/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2219933/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2219933/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-19338-incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=bytedance.com header.i=@bytedance.com\n header.a=rsa-sha256 header.s=google header.b=SpZO+Lc/;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=112.213.38.117; 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Howlett\" <Liam.Howlett@oracle.com>,\n\tVlastimil Babka <vbabka@kernel.org>,\n\tMike Rapoport <rppt@kernel.org>,\n\tSuren Baghdasaryan <surenb@google.com>,\n\tMichal Hocko <mhocko@suse.com>,\n\tNicholas Piggin <npiggin@gmail.com>,\n\tChristophe Leroy <chleroy@kernel.org>,\n\taneesh.kumar@linux.ibm.com,\n\tjoao.m.martins@oracle.com,\n\tlinux-mm@kvack.org,\n\tlinuxppc-dev@lists.ozlabs.org,\n\tlinux-kernel@vger.kernel.org,\n\tChengkaitao <chengkaitao@kylinos.cn>", "Subject": "[PATCH 08/49] mm: Convert vmemmap_p?d_populate() to static functions", "Date": "Sun, 5 Apr 2026 20:51:59 +0800", "Message-Id": "<20260405125240.2558577-9-songmuchun@bytedance.com>", "X-Mailer": "git-send-email 2.20.1", "In-Reply-To": "<20260405125240.2558577-1-songmuchun@bytedance.com>", "References": "<20260405125240.2558577-1-songmuchun@bytedance.com>", "X-Mailing-List": "linuxppc-dev@lists.ozlabs.org", "List-Id": "<linuxppc-dev.lists.ozlabs.org>", "List-Help": "<mailto:linuxppc-dev+help@lists.ozlabs.org>", "List-Owner": "<mailto:linuxppc-dev+owner@lists.ozlabs.org>", "List-Post": "<mailto:linuxppc-dev@lists.ozlabs.org>", "List-Archive": "<https://lore.kernel.org/linuxppc-dev/>,\n <https://lists.ozlabs.org/pipermail/linuxppc-dev/>", "List-Subscribe": "<mailto:linuxppc-dev+subscribe@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-digest@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-nomail@lists.ozlabs.org>", "List-Unsubscribe": "<mailto:linuxppc-dev+unsubscribe@lists.ozlabs.org>", "Precedence": "list", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Spam-Status": "No, score=-0.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID,\n\tDKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS\n\tautolearn=disabled version=4.0.1 OzLabs 8", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org" }, "content": "From: Chengkaitao <chengkaitao@kylinos.cn>\n\nSince the vmemmap_p?d_populate functions are unused outside the mm\nsubsystem, we can remove their external declarations and convert\nthem to static functions.\n\nSigned-off-by: Chengkaitao <chengkaitao@kylinos.cn>\n---\n include/linux/mm.h | 7 -------\n mm/sparse-vmemmap.c | 10 +++++-----\n 2 files changed, 5 insertions(+), 12 deletions(-)", "diff": "diff --git a/include/linux/mm.h b/include/linux/mm.h\nindex bebc5f892f81..aa8c05de7585 100644\n--- a/include/linux/mm.h\n+++ b/include/linux/mm.h\n@@ -4860,13 +4860,6 @@ unsigned long section_map_size(void);\n struct page * __populate_section_memmap(unsigned long pfn,\n \t\tunsigned long nr_pages, int nid, struct vmem_altmap *altmap,\n \t\tstruct dev_pagemap *pgmap);\n-pgd_t *vmemmap_pgd_populate(unsigned long addr, int node);\n-p4d_t *vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node);\n-pud_t *vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node);\n-pmd_t *vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node);\n-pte_t *vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node,\n-\t\t\t struct vmem_altmap *altmap, unsigned long ptpfn,\n-\t\t\t unsigned long flags);\n void *vmemmap_alloc_block(unsigned long size, int node);\n struct vmem_altmap;\n void *vmemmap_alloc_block_buf(unsigned long size, int node,\ndiff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c\nindex d3096de04cc6..0ee03db0b22f 100644\n--- a/mm/sparse-vmemmap.c\n+++ b/mm/sparse-vmemmap.c\n@@ -151,7 +151,7 @@ void __meminit vmemmap_verify(pte_t *pte, int node,\n \t\t\tstart, end - 1);\n }\n \n-pte_t * __meminit vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node,\n+static pte_t * __meminit vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node,\n \t\t\t\t struct vmem_altmap *altmap,\n \t\t\t\t unsigned long ptpfn, unsigned long flags)\n {\n@@ -195,7 +195,7 @@ static void * __meminit vmemmap_alloc_block_zero(unsigned long size, int node)\n \treturn p;\n }\n \n-pmd_t * __meminit vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node)\n+static pmd_t * __meminit vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node)\n {\n \tpmd_t *pmd = pmd_offset(pud, addr);\n \tif (pmd_none(*pmd)) {\n@@ -208,7 +208,7 @@ pmd_t * __meminit vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node)\n \treturn pmd;\n }\n \n-pud_t * __meminit vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node)\n+static pud_t * __meminit vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node)\n {\n \tpud_t *pud = pud_offset(p4d, addr);\n \tif (pud_none(*pud)) {\n@@ -221,7 +221,7 @@ pud_t * __meminit vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node)\n \treturn pud;\n }\n \n-p4d_t * __meminit vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node)\n+static p4d_t * __meminit vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node)\n {\n \tp4d_t *p4d = p4d_offset(pgd, addr);\n \tif (p4d_none(*p4d)) {\n@@ -234,7 +234,7 @@ p4d_t * __meminit vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node)\n \treturn p4d;\n }\n \n-pgd_t * __meminit vmemmap_pgd_populate(unsigned long addr, int node)\n+static pgd_t * __meminit vmemmap_pgd_populate(unsigned long addr, int node)\n {\n \tpgd_t *pgd = pgd_offset_k(addr);\n \tif (pgd_none(*pgd)) {\n", "prefixes": [ "08/49" ] }