+ mm-vmalloc-extend-page-table-walk-to-support-larger-page_shift-sizes-and-eliminate-page-table-rewalk-fix.patch added to mm-unstable branch

+ mm-vmalloc-extend-page-table-walk-to-support-larger-page_shift-sizes-and-eliminate-page-table-rewalk-fix.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm-vmalloc-extend-page-table-walk-to-support-larger-page_shift-sizes-and-eliminate-page-table-rewalk-fix
has been added to the -mm mm-unstable branch.  Its filename is
     mm-vmalloc-extend-page-table-walk-to-support-larger-page_shift-sizes-and-eliminate-page-table-rewalk-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-vmalloc-extend-page-table-walk-to-support-larger-page_shift-sizes-and-eliminate-page-table-rewalk-fix.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: Wen Jiang <jiangwenxiaomi@gmail.com>
Subject: mm-vmalloc-extend-page-table-walk-to-support-larger-page_shift-sizes-and-eliminate-page-table-rewalk-fix
Date: Wed, 11 Nov 2026 11:09:20 +0800

use an unsigned long page index in the walker

Link: https://lore.kernel.org/20261111030920.1297625-1-jiangwenxiaomi@gmail.com
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Uladzislau Rezki (Sony) <urezki@gmail.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Leo Yan <leo.yan@arm.com>
Cc: Xueyuan Chen <xueyuan.chen21@gmail.com>
Cc: Christophe Leroy <chleroy@kernel.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Andrew Donnellan <andrew+kernel@donnellan.id.au>
Cc: <jiangwen6@xiaomi.com>
---

 mm/vmalloc.c |   18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

--- a/mm/vmalloc.c~mm-vmalloc-extend-page-table-walk-to-support-larger-page_shift-sizes-and-eliminate-page-table-rewalk-fix
+++ a/mm/vmalloc.c
@@ -557,8 +557,8 @@ void vunmap_range(unsigned long addr, un
 }
 
 static int vmap_pages_pte_range(pmd_t *pmd, unsigned long addr,
-		unsigned long end, pgprot_t prot, struct page **pages, int *nr,
-		pgtbl_mod_mask *mask, unsigned int shift)
+		unsigned long end, pgprot_t prot, struct page **pages,
+		unsigned long *nr, pgtbl_mod_mask *mask, unsigned int shift)
 {
 	const unsigned long chunk_pages = 1UL << (shift - PAGE_SHIFT);
 	unsigned long pfn, size, chunk_end;
@@ -608,8 +608,8 @@ static int vmap_pages_pte_range(pmd_t *p
 }
 
 static int vmap_pages_pmd_range(pud_t *pud, unsigned long addr,
-		unsigned long end, pgprot_t prot, struct page **pages, int *nr,
-		pgtbl_mod_mask *mask, unsigned int shift)
+		unsigned long end, pgprot_t prot, struct page **pages,
+		unsigned long *nr, pgtbl_mod_mask *mask, unsigned int shift)
 {
 	pmd_t *pmd;
 	unsigned long next;
@@ -646,8 +646,8 @@ static int vmap_pages_pmd_range(pud_t *p
 }
 
 static int vmap_pages_pud_range(p4d_t *p4d, unsigned long addr,
-		unsigned long end, pgprot_t prot, struct page **pages, int *nr,
-		pgtbl_mod_mask *mask, unsigned int shift)
+		unsigned long end, pgprot_t prot, struct page **pages,
+		unsigned long *nr, pgtbl_mod_mask *mask, unsigned int shift)
 {
 	pud_t *pud;
 	unsigned long next;
@@ -666,8 +666,8 @@ static int vmap_pages_pud_range(p4d_t *p
 }
 
 static int vmap_pages_p4d_range(pgd_t *pgd, unsigned long addr,
-		unsigned long end, pgprot_t prot, struct page **pages, int *nr,
-		pgtbl_mod_mask *mask, unsigned int shift)
+		unsigned long end, pgprot_t prot, struct page **pages,
+		unsigned long *nr, pgtbl_mod_mask *mask, unsigned int shift)
 {
 	p4d_t *p4d;
 	unsigned long next;
@@ -696,7 +696,7 @@ static int vmap_pages_range_noflush_walk
 	pgd_t *pgd;
 	unsigned long next;
 	int err = 0;
-	int nr = 0;
+	unsigned long nr = 0;
 	pgtbl_mod_mask mask = 0;
 
 	BUG_ON(addr >= end);
_

Patches currently in -mm which might be from jiangwenxiaomi@gmail.com are

mm-vmalloc-extend-page-table-walk-to-support-larger-page_shift-sizes-and-eliminate-page-table-rewalk-fix.patch