The quilt patch titled
Subject: mm: filemap: filemap_fault_recheck_pte_none() use pte_offset_map_ro_nolock()
has been removed from the -mm tree. Its filename was
mm-filemap-filemap_fault_recheck_pte_none-use-pte_offset_map_ro_nolock.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>
Subject: mm: filemap: filemap_fault_recheck_pte_none() use pte_offset_map_ro_nolock()
Date: Thu, 26 Sep 2024 14:46:16 +0800
In filemap_fault_recheck_pte_none(), we just do pte_none() check, so
convert it to using pte_offset_map_ro_nolock().
Link: https://lkml.kernel.org/r/9f7cbbaa772385ced1b8931b67a8b9d246c9b82d.1727332572.git.zhengqi.arch@xxxxxxxxxxxxx
Signed-off-by: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>
Acked-by: David Hildenbrand <david@xxxxxxxxxx>
Reviewed-by: Muchun Song <muchun.song@xxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Mike Rapoport (Microsoft) <rppt@xxxxxxxxxx>
Cc: Peter Xu <peterx@xxxxxxxxxx>
Cc: Ryan Roberts <ryan.roberts@xxxxxxx>
Cc: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/filemap.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/filemap.c~mm-filemap-filemap_fault_recheck_pte_none-use-pte_offset_map_ro_nolock
+++ a/mm/filemap.c
@@ -3258,8 +3258,8 @@ static vm_fault_t filemap_fault_recheck_
if (!(vmf->flags & FAULT_FLAG_ORIG_PTE_VALID))
return 0;
- ptep = pte_offset_map_nolock(vma->vm_mm, vmf->pmd, vmf->address,
- &vmf->ptl);
+ ptep = pte_offset_map_ro_nolock(vma->vm_mm, vmf->pmd, vmf->address,
+ &vmf->ptl);
if (unlikely(!ptep))
return VM_FAULT_NOPAGE;
_
Patches currently in -mm which might be from zhengqi.arch@xxxxxxxxxxxxx are
