+ mm-hugetlb_vmemmap-rename-vmemmap_remap_pte-to-vmemmap_optimize_pte.patch added to mm-unstable branch

+ mm-hugetlb_vmemmap-rename-vmemmap_remap_pte-to-vmemmap_optimize_pte.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm: hugetlb_vmemmap: rename vmemmap_remap_pte() to vmemmap_optimize_pte()
has been added to the -mm mm-unstable branch.  Its filename is
     mm-hugetlb_vmemmap-rename-vmemmap_remap_pte-to-vmemmap_optimize_pte.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-hugetlb_vmemmap-rename-vmemmap_remap_pte-to-vmemmap_optimize_pte.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Muchun Song <muchun.song@linux.dev>
Subject: mm: hugetlb_vmemmap: rename vmemmap_remap_pte() to vmemmap_optimize_pte()
Date: Sat, 07 Nov 2026 10:27:50 +0800

Both optimization and restoration update vmemmap PTEs by remapping them,
so "remap" does not identify the callback's role.  Use "optimize" for the
optimization callback to match "restore" and make the two directions
explicit and consistent.

No functional change intended.

Link: https://lore.kernel.org/20261107022756.77731-8-songmuchun@bytedance.com
Signed-off-by: Muchun Song <muchun.song@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Lance Yang <lance.yang@linux.dev>
Reviewed-by: Qi Zheng <qi.zheng@linux.dev>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Tested-by: Andrew Morton <akpm@linux-foundation.org>
Cc: James Houghton <jthoughton@google.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Yili Zhang <zhangyili01@baidu.com>
Cc: Kiryl Shutsemau <kas@kernel.org>
Cc: "Oscar Salvador (SUSE)" <osalvador@kernel.org>
Cc: Huacai Chen <chenhuacai@kernel.org>
---

 mm/hugetlb_vmemmap.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/mm/hugetlb_vmemmap.c~mm-hugetlb_vmemmap-rename-vmemmap_remap_pte-to-vmemmap_optimize_pte
+++ a/mm/hugetlb_vmemmap.c
@@ -213,8 +213,8 @@ static struct page *vmemmap_dup_page_fro
 	return dst;
 }
 
-static void vmemmap_remap_pte(pte_t *pte, unsigned long addr,
-			      struct vmemmap_remap_walk *walk)
+static void vmemmap_optimize_pte(pte_t *pte, unsigned long addr,
+		struct vmemmap_remap_walk *walk)
 {
 	struct page *page = pte_page(ptep_get(pte));
 	pte_t entry;
@@ -302,7 +302,7 @@ static int vmemmap_remap_free(unsigned l
 {
 	int ret;
 	struct vmemmap_remap_walk walk = {
-		.remap_pte	= vmemmap_remap_pte,
+		.remap_pte	= vmemmap_optimize_pte,
 		.vmemmap_tail	= vmemmap_tail,
 		.vmemmap_pages	= vmemmap_pages,
 		.flags		= flags,
_

Patches currently in -mm which might be from muchun.song@linux.dev are

mm-fix-missing-page-table-destructor-in-pagetable_free.patch
riscv-mm-fix-hotplug-page-table-destructor-handling.patch
riscv-mm-fix-missing-destructor-for-hotplug-pud-tables.patch
arm64-mm-fix-destructor-for-unconstructed-hotplug-page-tables.patch
mm-sparse-vmemmap-map-shared-vmemmap-tail-pages-as-read-only.patch
powerpc-mm-map-shared-vmemmap-tail-pages-as-read-only.patch
mm-hugetlb_vmemmap-remove-vmemmap_wrprotect_hvo.patch
mm-hugetlb_vmemmap-remove-hugetlb_vmemmap_optimize_bootmem_folios.patch
mm-generalize-kernel-pte-table-allocation.patch
mm-generalize-pmd-page-table-allocation.patch
mm-generalize-pud-page-table-allocation.patch
mm-remove-pagetable_dtor_free.patch
mm-remove-redundant-pagetable_dtor-calls.patch
mm-hugetlb_vmemmap-remove-hugetlb-specific-vmemmap-optimization-macros.patch
mm-hugetlb_vmemmap-unify-vmemmap_splitremap_no_tlb_flush.patch
mm-hugetlb_vmemmap-simplify-vmemmap-head-page-handling.patch
mm-hugetlb_vmemmap-generalize-vmemmap-page-allocation.patch
mm-hugetlb_vmemmap-unify-writable-vmemmap-page-preparation.patch
mm-hugetlb_vmemmap-rename-vmemmap_remap_pte-to-vmemmap_optimize_pte.patch
mm-hugetlb_vmemmap-simplify-shared-tail-page-handling.patch
mm-hugetlb_vmemmap-move-alloc_vmemmap_page_list-next-to-its-free-helper.patch
mm-hugetlb_vmemmap-make-vmemmap-optimization-folio-oriented.patch
mm-hugetlb_vmemmap-make-vmemmap-restoration-folio-oriented.patch
mm-hugetlb_vmemmap-unify-vmemmap-range-restoration.patch
mm-hugetlb_vmemmap-make-vmemmap-pte-conversion-folio-oriented.patch
mm-hugetlb-fix-validation-of-unsupported-hugetlb-orders.patch