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[104.199.112.115]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35dbe95abc3sm12613068a91.15.2026.04.03.15.31.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Apr 2026 15:31:55 -0700 (PDT) Date: Fri, 3 Apr 2026 22:31:51 +0000 From: Lisa Wang To: Miaohe Lin Cc: rientjes@google.com, seanjc@google.com, ackerleytng@google.com, vannapurve@google.com, michael.roth@amd.com, jiaqiyan@google.com, tabba@google.com, dave.hansen@linux.intel.com, Naoya Horiguchi , Andrew Morton , Paolo Bonzini , Shuah Khan , Hugh Dickins , Baolin Wang , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , linux-mm@kvack.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH RFC v2 2/7] mm: memory_failure: Allow truncate_error_folio to return MF_DELAYED Message-ID: References: <20260319-memory-failure-mf-delayed-fix-rfc-v2-v2-0-92c596402a7a@google.com> <20260319-memory-failure-mf-delayed-fix-rfc-v2-v2-2-92c596402a7a@google.com> <2f177e0f-2eb0-48d0-b48c-7a0a340caf5d@huawei.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2f177e0f-2eb0-48d0-b48c-7a0a340caf5d@huawei.com> > On Mon, Mar 30, 2026 at 03:02:01PM +0800, Miaohe Lin wrote: [...snip...] > > --- a/mm/memory-failure.c > > +++ b/mm/memory-failure.c > > @@ -941,6 +941,8 @@ static int truncate_error_folio(struct folio *folio, unsigned long pfn, > > if (mapping->a_ops->error_remove_folio) { > > int err = mapping->a_ops->error_remove_folio(mapping, folio); > > > > + if (err == MF_DELAYED) > > + return err; > > Will it be better to add a pr_info here to provide some information for users? > > Thanks. > . I think we don't need to add pr_info here; truncate_error_folio() always leads to action_result, which already logs the recovery status. Lisa