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Fri, 19 Dec 2025 03:58:43 -0800 (PST) From: chengkaitao To: davem@davemloft.net, andreas@gaisler.com, akpm@linux-foundation.org, david@kernel.org, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, mhocko@suse.com Cc: kevin.brodsky@arm.com, dave.hansen@linux.intel.com, ziy@nvidia.com, chengkaitao@kylinos.cn, willy@infradead.org, zhengqi.arch@bytedance.com, sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH v4 2/3] mm: Convert vmemmap_p?d_populate() to static functions Date: Fri, 19 Dec 2025 19:58:11 +0800 Message-ID: <20251219115812.65855-3-pilgrimtao@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20251219115812.65855-1-pilgrimtao@gmail.com> References: <20251219115812.65855-1-pilgrimtao@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 8D349140008 X-Rspamd-Server: rspam03 X-Stat-Signature: d88hasqpnmzqgz1yu78zg7hca3rtzfrc X-Rspam-User: X-HE-Tag: 1766145524-96189 X-HE-Meta: U2FsdGVkX1967UsYhgpt43Zdb0EG642rN8hLq4GwTDyZqhPA4HTe7WgP0UE2BpoU9W33hSniuaa7zox1erHIa7hXuJpa/+YQ8JhCFo34trHsQVrtUp2HlxaroOD0wvYzaDN2C9aqH74V9kybXHkiwoh0eoo11cu3n1zIbGEyx4kGuixjo9QOz+hDn2a8yr1Hr731vbuQrhbuS/qpUH+0U6SUB4uYECwMHs0IPD8mQv+IGZwwgRjCmSBPYuPhR6io6b3Mh7lcCxQNWMLgZYBdCkhgSbDH7hgu3Jd1T9+WjGxntSOoLb2SQ2LbpMbUUtRC6kGz8t67y52Z40ZFOR27KA5Nh4xSoskKwt9C9tWlafDZp4oTUa++iXTshNLUfxK4D2i8zJrlLA/saSJXWGyJzryyeZqZBShQ1PslQYYtRbtJ8oPGecI0zgqxPL4yppShaOUh0k8nwTATpJO0w9wXRnQG62aELge8TcjqRYwjDgfirnf1z5yoCB/ZaF0zVl/d9EkUD0LTQUB1AWxjA672UIDiM/VxTGp//IpqoVPc+emNZqpM8G3h1j9/INiq7kvcvveN0HnnpN+YgYS4wdpPo6TO+OeylLSlBlHFKLU3AQyVP20XQ/Cia+G/5tzdAC01Vk3Ie7w6OxPkV+Mg5rdRow+rt8ysEP36UY282/ClrFkTfRnOe3vfhNWWmB0O9pGbUjGNiAHdFT9pXsjS0FKgfiNl9vp+BEqNboRVt/IDshRGuyVqBhQVkAp2tefHCoPLerTNSohG68LOYNeBLPxRXevgYi8eZ6ZhueVXHUwaqlQywHCjrm+eB/tWdk+fQhNsPmqod1R9jtAmvk7CN2DYWtU4GgZd4GBLy02QQdPSFitB1wqwhXO2SbLCijYY9KnCPb7atbpCSfOommzU3sjSNNCDWWG3PiSZOHZ1JmDPy1V8jEtZW8yZEhQ2XFmhtgO4N0cEtbxTFcoawEOfrXb lFUIZIkY 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Chengkaitao 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. Signed-off-by: Chengkaitao --- include/linux/mm.h | 7 ------- mm/sparse-vmemmap.c | 10 +++++----- 2 files changed, 5 insertions(+), 12 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 15076261d0c2..d98a38a6ac0e 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -4234,13 +4234,6 @@ 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, diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c index 37522d6cb398..67f9a08c2376 100644 --- a/mm/sparse-vmemmap.c +++ b/mm/sparse-vmemmap.c @@ -151,7 +151,7 @@ void __meminit vmemmap_verify(pte_t *pte, int node, 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_block_zero(unsigned long size, int node) 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(pud_t *pud, unsigned long addr, int node) 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(p4d_t *p4d, unsigned long addr, int node) 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(pgd_t *pgd, unsigned long addr, int node) 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)) { -- 2.50.1 (Apple Git-155)