linux-kernel - Re: [PATCH v2 04/14] mm: filemap: filemap_fault_recheck_pte_none() use pte_offset_map_ro

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Message-Id: <9FA797E4-D835-481C-81B3-7B40A9648FC4@linux.dev>
Date: Thu, 29 Aug 2024 15:23:32 +0800
From: Muchun Song <muchun.song@...ux.dev>
To: Qi Zheng <zhengqi.arch@...edance.com>
Cc: David Hildenbrand <david@...hat.com>,
 Hugh Dickins <hughd@...gle.com>,
 Matthew Wilcox <willy@...radead.org>,
 "Vlastimil Babka (SUSE)" <vbabka@...nel.org>,
 Andrew Morton <akpm@...ux-foundation.org>,
 Mike Rapoport <rppt@...nel.org>,
 Vishal Moola <vishal.moola@...il.com>,
 Peter Xu <peterx@...hat.com>,
 Ryan Roberts <ryan.roberts@....com>,
 christophe.leroy2@...soprasteria.com,
 LKML <linux-kernel@...r.kernel.org>,
 Linux Memory Management List <linux-mm@...ck.org>,
 linux-arm-kernel@...ts.infradead.org,
 linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v2 04/14] mm: filemap: filemap_fault_recheck_pte_none()
 use pte_offset_map_ro_nolock()



> On Aug 22, 2024, at 15:13, Qi Zheng <zhengqi.arch@...edance.com> wrote:
> 
> 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>

Reviewed-by: Muchun Song <muchun.song@...ux.dev>