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Received: from 30.246.161.92(mailfrom:xueshuai@linux.alibaba.com fp:SMTPD_---0X9IIIZZ_1787197632 cluster:ay36) by smtp.aliyun-inc.com; Thu, 20 Aug 2026 11:47:13 +0800 Message-ID: <0d2fc2ab-333e-42a1-88a1-6bb85538cbb0@linux.alibaba.com> Date: Thu, 20 Aug 2026 11:47:11 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: kyle.meyer@hpe.com Cc: Liam.Howlett@oracle.com, akpm@linux-foundation.org, bp@alien8.de, corbet@lwn.net, david@redhat.com, hannes@cmpxchg.org, jack@suse.cz, jane.chu@oracle.com, jiaqiyan@google.com, joel.granados@kernel.org, laoar.shao@gmail.com, linmiaohe@huawei.com, linux-acpi@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, lorenzo.stoakes@oracle.com, mclapinski@google.com, mhocko@suse.com, nao.horiguchi@gmail.com, osalvador@suse.de, rafael.j.wysocki@intel.com, rppt@kernel.org, russ.anderson@hpe.com, shawn.fan@intel.com, shuah@kernel.org, surenb@google.com, tony.luck@intel.com, vbabka@suse.cz References: Subject: Re: [PATCH v2] mm/memory-failure: Support disabling soft offline for HugeTLB pages From: Shuai Xue In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: fzahg5dgj811csh86fbp745q4rgzpmy9 X-Rspamd-Queue-Id: 46B5C80004 X-Rspam-User: X-Rspamd-Server: rspam12 X-HE-Tag: 1787197637-876072 X-HE-Meta: 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 Fzu2O95w uvHPTdKCVWA5/+qzdb/31LkxX3GqJAyIgxEiLkDkoz1qx5dYKDoK87PMqp592sST1O46AgnifS97q+jF0/cZZq2rEic069tJ5C7DyYx6TWkX0n+OqWmjxeCaZSx54BmNVrHpzL4Wh3nX0RfdfXwHS6jwgsZwZqx7fs++SEMZgIkhrefVLKKgpSkTy8MdYb8hukfS6iGhFhYzlS9u1XH/IayJG9D3muOXX737EhqMw0rXL78Pvqre2LxfjG9/ktEwv9HWttZDunY0Ebj7bbLrgurPYyiEZqwfoi9BT8W1hCy9XAKXoOA12KAaqbjdJrcGgoPxmp8jEqBKnb99YWBJ6HTFmn8rk93Clwg/T2IRYJnkD6FW7ebi1ijtReBsNqda8IJNjFlfJGxGCBtM= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Kyle, Following up on this thread. The v2 patch once landed in akpm's mm tree (9ae6eefa4b6b "mm/memory-failure: support disabling soft offline for HugeTLB pages"), but that commit is now not reachable from any branch, and mainline as of v7.3-rc1 still only has the 0/1 switch in /proc/sys/vm/enable_soft_offline. The underlying issue discussed here is still unresolved for us: firmware reporting per-rank corrected error thresholds via GHES triggers soft offline of huge pages, which neither addresses the failing rank nor is acceptable for workloads that rely on stable hugetlb physical layouts. Do you still plan to send a v3, e.g. with the disable-bitmask layout Anshuman suggested upthread? Thanks. Shuai