[PATCH 10/11] mm/sparse-vmemmap: drop unused section_nr_vmemmap_pages() arguments
From: Muchun Song <hidden>
Date: 2026-08-31 07:55:15
Also in:
linux-mm, linuxppc-dev, lkml
Subsystem:
memory management, memory management - core, the rest · Maintainers:
Andrew Morton, David Hildenbrand, Linus Torvalds
section_nr_vmemmap_pages() no longer uses the altmap or pgmap arguments, so drop them from the helper and its callers. Signed-off-by: Muchun Song <redacted> --- mm/sparse-vmemmap.c | 10 ++++------ mm/sparse.c | 3 +-- mm/sparse.h | 6 ++---- 3 files changed, 7 insertions(+), 12 deletions(-)
diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c
index e655d9d1348f..4950ac2a1c01 100644
--- a/mm/sparse-vmemmap.c
+++ b/mm/sparse-vmemmap.c@@ -131,8 +131,7 @@ void __meminit vmemmap_verify(pte_t *pte, int node, start, end - 1); } -int __meminit section_nr_vmemmap_pages(unsigned long pfn, unsigned long nr_pages, - struct vmem_altmap *altmap, struct dev_pagemap *pgmap) +int __meminit section_nr_vmemmap_pages(unsigned long pfn, unsigned long nr_pages) { const struct mem_section *ms = __pfn_to_section(pfn); const int order = section_order(ms);
@@ -637,7 +636,7 @@ static struct page * __meminit populate_section_memmap(unsigned long pfn, struct page *page = __populate_section_memmap(pfn, nr_pages, nid, altmap, pgmap); - memmap_pages_add(section_nr_vmemmap_pages(pfn, nr_pages, altmap, pgmap)); + memmap_pages_add(section_nr_vmemmap_pages(pfn, nr_pages)); return page; }
@@ -648,7 +647,7 @@ static void depopulate_section_memmap(unsigned long pfn, unsigned long nr_pages, unsigned long start = (unsigned long) pfn_to_page(pfn); unsigned long end = start + nr_pages * sizeof(struct page); - memmap_pages_add(-section_nr_vmemmap_pages(pfn, nr_pages, altmap, pgmap)); + memmap_pages_add(-section_nr_vmemmap_pages(pfn, nr_pages)); vmemmap_free(start, end, altmap); }
@@ -658,8 +657,7 @@ static void free_map_bootmem(struct page *memmap) unsigned long end = (unsigned long)(memmap + PAGES_PER_SECTION); unsigned long pfn = page_to_pfn(memmap); - memmap_boot_pages_add(-section_nr_vmemmap_pages(pfn, PAGES_PER_SECTION, - NULL, NULL)); + memmap_boot_pages_add(-section_nr_vmemmap_pages(pfn, PAGES_PER_SECTION)); vmemmap_free(start, end, NULL); }
diff --git a/mm/sparse.c b/mm/sparse.c
index 9349ed6326c0..adf057f54c0f 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c@@ -251,8 +251,7 @@ static void __init sparse_init_nid(int nid, unsigned long pnum_begin, nid, NULL, NULL); if (!map) panic("Failed to allocate memmap for section %lu\n", pnum); - memmap_boot_pages_add(section_nr_vmemmap_pages(pfn, PAGES_PER_SECTION, - NULL, NULL)); + memmap_boot_pages_add(section_nr_vmemmap_pages(pfn, PAGES_PER_SECTION)); sparse_init_one_section(__nr_to_section(pnum), pnum, map, usage, SECTION_IS_EARLY); usage = (void *)usage + mem_section_usage_size();
diff --git a/mm/sparse.h b/mm/sparse.h
index e511d99fc26b..5d0f407bde7e 100644
--- a/mm/sparse.h
+++ b/mm/sparse.h@@ -70,12 +70,10 @@ static inline void sparse_sections_init(void) {} */ #ifdef CONFIG_SPARSEMEM_VMEMMAP void sparse_init_subsection_map(void); -int section_nr_vmemmap_pages(unsigned long pfn, unsigned long nr_pages, - struct vmem_altmap *altmap, struct dev_pagemap *pgmap); +int section_nr_vmemmap_pages(unsigned long pfn, unsigned long nr_pages); #else static inline void sparse_init_subsection_map(void) {} -static inline int section_nr_vmemmap_pages(unsigned long pfn, unsigned long nr_pages, - struct vmem_altmap *altmap, struct dev_pagemap *pgmap) +static inline int section_nr_vmemmap_pages(unsigned long pfn, unsigned long nr_pages) { return DIV_ROUND_UP(nr_pages * sizeof(struct page), PAGE_SIZE); }
--
2.54.0