From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,songmuchun@bytedance.com,akpm@linux-foundation.org
Subject: [to-be-updated] mm-sparse-vmemmap-drop-unused-section_nr_vmemmap_pages-arguments.patch removed from -mm tree
Date: Thu, 10 Sep 2026 16:07:19 -0700 [thread overview]
Message-ID: <20260910230719.EBD051F00893@smtp.kernel.org> (raw)
The quilt patch titled
Subject: mm/sparse-vmemmap: drop unused section_nr_vmemmap_pages() arguments
has been removed from the -mm tree. Its filename was
mm-sparse-vmemmap-drop-unused-section_nr_vmemmap_pages-arguments.patch
This patch was dropped because an updated version will be issued
------------------------------------------------------
From: Muchun Song <songmuchun@bytedance.com>
Subject: mm/sparse-vmemmap: drop unused section_nr_vmemmap_pages() arguments
Date: Tue, 8 Sep 2026 11:03:34 +0800
section_nr_vmemmap_pages() no longer uses the altmap or pgmap arguments,
so drop them from the helper and its callers.
Link: https://lore.kernel.org/20260908030335.96549-11-songmuchun@bytedance.com
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Acked-by: Qi Zheng <qi.zheng@linux.dev>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/sparse-vmemmap.c | 10 ++++------
mm/sparse.c | 3 +--
mm/sparse.h | 6 ++----
3 files changed, 7 insertions(+), 12 deletions(-)
--- a/mm/sparse.c~mm-sparse-vmemmap-drop-unused-section_nr_vmemmap_pages-arguments
+++ a/mm/sparse.c
@@ -251,8 +251,7 @@ static void __init sparse_init_nid(int n
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();
--- a/mm/sparse.h~mm-sparse-vmemmap-drop-unused-section_nr_vmemmap_pages-arguments
+++ a/mm/sparse.h
@@ -70,12 +70,10 @@ static inline void sparse_sections_init(
*/
#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);
}
--- a/mm/sparse-vmemmap.c~mm-sparse-vmemmap-drop-unused-section_nr_vmemmap_pages-arguments
+++ a/mm/sparse-vmemmap.c
@@ -131,8 +131,7 @@ void __meminit vmemmap_verify(pte_t *pte
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_
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(un
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
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);
}
_
Patches currently in -mm which might be from songmuchun@bytedance.com are
mm-sparse-relax-struct-mem_section-size-constraints.patch
mm-sparse-vmemmap-rename-hvo-order-macros.patch
mm-mm_init-skip-initializing-shared-vmemmap-tail-pages.patch
mm-sparse-vmemmap-initialize-shared-tail-vmemmap-pages-on-allocation.patch
mm-sparse-vmemmap-support-section-based-vmemmap-accounting.patch
mm-mm_init-factor-out-pfn_to_zone.patch
mm-sparse-vmemmap-move-helpers-ahead-of-future-callers.patch
mm-sparse-vmemmap-support-section-based-vmemmap-optimization.patch
mm-sparse-initialize-memory-sections-earlier.patch
mm-hugetlb-switch-hugetlb-to-section-based-vmemmap-optimization.patch
mm-sparse-vmemmap-remove-sparsemem_vmemmap_preinit-support.patch
mm-sparse-inline-usemap-allocation-into-sparse_init_nid.patch
mm-sparse-remove-section_map_size.patch
mm-hugetlb-remove-huge_bootmem_hvo.patch
mm-hugetlb-remove-huge_bootmem_cma.patch
mm-hugetlb-localize-struct-huge_bootmem_page.patch
mm-hugetlb-localize-huge_bootmem_zones_valid.patch
documentation-mm-update-dax-vmemmap-deduplication-docs.patch
reply other threads:[~2026-09-10 23:07 UTC|newest]
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