From: Muchun Song <songmuchun@bytedance.com>
To: Madhavan Srinivasan <maddy@linux.ibm.com>,
Mike Rapoport <rppt@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>,
Nicholas Piggin <npiggin@gmail.com>,
Christophe Leroy <chleroy@kernel.org>,
Lorenzo Stoakes <ljs@kernel.org>,
"Liam R . Howlett" <liam@infradead.org>,
Vlastimil Babka <vbabka@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>, Qi Zheng <qi.zheng@linux.dev>,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, Muchun Song <songmuchun@bytedance.com>,
muchun.song@linux.dev
Subject: [PATCH 4/6] mm/sparse-vmemmap: remove the unused ptpfn argument
Date: Sun, 13 Sep 2026 16:37:32 +0800 [thread overview]
Message-ID: <20260913083734.86802-5-songmuchun@bytedance.com> (raw)
In-Reply-To: <20260913083734.86802-1-songmuchun@bytedance.com>
vmemmap_pte_populate() no longer uses ptpfn as an input. Drop the
argument to simplify the code.
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
---
mm/sparse-vmemmap.c | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)
diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c
index 028f844c90f5..8b4904d9c65e 100644
--- a/mm/sparse-vmemmap.c
+++ b/mm/sparse-vmemmap.c
@@ -233,7 +233,7 @@ static __meminit void *vmemmap_alloc_pte(unsigned long pfn, int node,
}
static pte_t * __meminit vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node,
- struct vmem_altmap *altmap, unsigned long ptpfn)
+ struct vmem_altmap *altmap)
{
pte_t *pte = pte_offset_kernel(pmd, addr);
unsigned long pfn = page_to_pfn((struct page *)addr);
@@ -304,8 +304,7 @@ static pgd_t * __meminit vmemmap_pgd_populate(unsigned long addr, int node)
}
static pte_t * __meminit vmemmap_populate_address(unsigned long addr, int node,
- struct vmem_altmap *altmap,
- unsigned long ptpfn)
+ struct vmem_altmap *altmap)
{
pgd_t *pgd;
p4d_t *p4d;
@@ -325,7 +324,7 @@ static pte_t * __meminit vmemmap_populate_address(unsigned long addr, int node,
pmd = vmemmap_pmd_populate(pud, addr, node);
if (!pmd)
return NULL;
- pte = vmemmap_pte_populate(pmd, addr, node, altmap, ptpfn);
+ pte = vmemmap_pte_populate(pmd, addr, node, altmap);
if (!pte)
return NULL;
vmemmap_verify(pte, node, addr, addr + PAGE_SIZE);
@@ -335,15 +334,13 @@ static pte_t * __meminit vmemmap_populate_address(unsigned long addr, int node,
static int __meminit vmemmap_populate_range(unsigned long start,
unsigned long end, int node,
- struct vmem_altmap *altmap,
- unsigned long ptpfn)
+ struct vmem_altmap *altmap)
{
unsigned long addr = start;
pte_t *pte;
for (; addr < end; addr += PAGE_SIZE) {
- pte = vmemmap_populate_address(addr, node, altmap,
- ptpfn);
+ pte = vmemmap_populate_address(addr, node, altmap);
if (!pte)
return -ENOMEM;
}
@@ -354,7 +351,7 @@ static int __meminit vmemmap_populate_range(unsigned long start,
int __meminit vmemmap_populate_basepages(unsigned long start, unsigned long end,
int node, struct vmem_altmap *altmap)
{
- return vmemmap_populate_range(start, end, node, altmap, -1);
+ return vmemmap_populate_range(start, end, node, altmap);
}
/*
--
2.54.0
next prev parent reply other threads:[~2026-09-13 8:40 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-13 8:37 [PATCH 0/6] mm: Unify Device DAX and HugeTLB vmemmap population paths Muchun Song
2026-09-13 8:37 ` [PATCH 1/6] mm/sparse-vmemmap: drop VMEMMAP_POPULATE_DAX Muchun Song
2026-09-19 14:01 ` Qi Zheng
2026-09-19 14:07 ` Muchun Song
2026-09-21 3:43 ` Qi Zheng
2026-09-21 3:49 ` Muchun Song
2026-09-22 7:54 ` Qi Zheng
2026-09-13 8:37 ` [PATCH 2/6] mm/sparse-vmemmap: support device DAX in common vmemmap path Muchun Song
2026-09-22 8:02 ` Qi Zheng
2026-09-22 11:34 ` Muchun Song
2026-09-13 8:37 ` [PATCH 3/6] mm/sparse-vmemmap: drop Device DAX-specific population path Muchun Song
2026-09-22 8:06 ` Qi Zheng
2026-09-13 8:37 ` Muchun Song [this message]
2026-09-22 8:12 ` [PATCH 4/6] mm/sparse-vmemmap: remove the unused ptpfn argument Qi Zheng
2026-09-13 8:37 ` [PATCH 5/6] powerpc/mm: make vmemmap_populate_compound_pages() static Muchun Song
2026-09-22 8:14 ` Qi Zheng
2026-09-13 8:37 ` [PATCH 6/6] mm/sparse-vmemmap: open-code vmemmap_populate_address() Muchun Song
2026-09-22 8:18 ` Qi Zheng
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