From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,xueyuan.chen21@gmail.com,will@kernel.org,
urezki@gmail.com,ryan.roberts@arm.com,rppt@kernel.org,npiggin@gmail.com,
mpe@ellerman.id.au,maddy@linux.ibm.com,leo.yan@arm.com,jiangwen6@xiaomi.com,
dev.jain@arm.com,david@kernel.org,chleroy@kernel.org,catalin.marinas@arm.com,
baohua@kernel.org,anshuman.khandual@arm.com,andrew+kernel@donnellan.id.au,
jiangwenxiaomi@gmail.com,akpm@linux-foundation.org
Subject: + mm-vmalloc-extend-page-table-walk-to-support-larger-page_shift-sizes-and-eliminate-page-table-rewalk-fix.patch added to mm-unstable branch
Date: Wed, 11 Nov 2026 15:31:15 -0800 [thread overview]
Message-ID: <20261111233116.441221F00A05@smtp.kernel.org> (raw)
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
reply other threads:[~2026-11-11 23:31 UTC|newest]
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