[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <9f7cbbaa772385ced1b8931b67a8b9d246c9b82d.1727332572.git.zhengqi.arch@bytedance.com>
Date: Thu, 26 Sep 2024 14:46:16 +0800
From: Qi Zheng <zhengqi.arch@...edance.com>
To: david@...hat.com,
hughd@...gle.com,
willy@...radead.org,
muchun.song@...ux.dev,
vbabka@...nel.org,
akpm@...ux-foundation.org,
rppt@...nel.org,
vishal.moola@...il.com,
peterx@...hat.com,
ryan.roberts@....com,
christophe.leroy2@...soprasteria.com
Cc: linux-kernel@...r.kernel.org,
linux-mm@...ck.org,
linux-arm-kernel@...ts.infradead.org,
linuxppc-dev@...ts.ozlabs.org,
Qi Zheng <zhengqi.arch@...edance.com>
Subject: [PATCH v5 03/13] mm: filemap: filemap_fault_recheck_pte_none() use pte_offset_map_ro_nolock()
In filemap_fault_recheck_pte_none(), we just do pte_none() check, so
convert it to using pte_offset_map_ro_nolock().
Signed-off-by: Qi Zheng <zhengqi.arch@...edance.com>
Acked-by: David Hildenbrand <david@...hat.com>
Reviewed-by: Muchun Song <muchun.song@...ux.dev>
---
mm/filemap.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/filemap.c b/mm/filemap.c
index 3e46ca45e13dc..6c6ff8722550f 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -3271,8 +3271,8 @@ static vm_fault_t filemap_fault_recheck_pte_none(struct vm_fault *vmf)
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;
--
2.20.1
Powered by blists - more mailing lists