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b=ZMX7W14YgRWUyiRnEHlGkiZId0AKfaLF82Jd8p3vI+UNoQcCzZns0j4mJFuEmXhKJ JEftQXA3+bGpIDIIA9dSHnNfXwo2SSayTySqZ2eeuoejLJ4ESXl7O2OlwByjYb6am9 74nlyBEOzqJ84J/H9YYU72sOs7GCnyfXcLBVE9XBfqoIcxuaD7kl5gmxNb9ddjDJQW Tp96iRDy2Wu2q8HCGIMlsfaOHKaOzIXztVtFUAYmJJzfpKWCDp3ua4mqyM8NSM0rT8 S+8ErRA82/1ect6mq6v2FWX2tCBCO0wVO0+hCH4yBeIIbt4dBmPJCYL8n9VnzfsddT JlZLV62oBmNuA== Message-ID: <67b63b36-82c9-45d4-8dd3-1bec2823a123@kernel.org> Date: Wed, 16 Sep 2026 16:30:46 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3] mm/memory-failure: Support disabling soft offline for HugeTLB pages To: Michal Hocko Cc: Kyle Meyer , akpm@linux-foundation.org, corbet@lwn.net, linmiaohe@huawei.com, shuah@kernel.org, tony.luck@intel.com, jane.chu@oracle.com, jiaqiyan@google.com, Liam.Howlett@oracle.com, bp@alien8.de, hannes@cmpxchg.org, jack@suse.cz, joel.granados@kernel.org, laoar.shao@gmail.com, lorenzo.stoakes@oracle.com, mclapinski@google.com, nao.horiguchi@gmail.com, osalvador@suse.de, rafael.j.wysocki@intel.com, rppt@kernel.org, russ.anderson@hpe.com, shawn.fan@intel.com, surenb@google.com, vbabka@suse.cz, linux-acpi@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org References: <36480c86-fc59-4387-91a4-cad839f502f2@kernel.org> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 0FE031A0007 X-Stat-Signature: wsrkhj35ewer6pith6iackhqpxfk6jbt X-HE-Tag: 1789569054-339222 X-HE-Meta: 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 ++crzld6 J4yXmqJSSnq5EaRoKbeojSjxQU5/j3qocPnQS3PwY8xr+tq3IIM3mEftbJaRgAWJARtLiAwJzoxis+MA2mqbE1CnmngtwIjK1amUYSFzDWgCZCFLMXZcAdG/hYxt1sTXsU41YLAFrG0xFfknf1dBfNCxvSU1SC4vn7Z3RMSZSa5DemGWyB2mdFOvtwDBsACvjejM4p6IgxTvo23guKW8frheyOF0EyKmspfrfZQLSXyvNjYawSJHNcDu0C6eThBBaCfzEXe6IUTqqthV/YYSFkD0QD+QBrwqbSDqCsl9aJAPzvTt+XQuFKN4NLGFdKWyO13crsikaHG6YwiBGznrbIsWhhA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 9/16/26 15:45, Michal Hocko wrote: > On Wed 16-09-26 15:28:01, David Hildenbrand wrote: >> On 9/16/26 15:19, Michal Hocko wrote: >>> >>> Yes, no dispute on that. But we have HW poisoning for exactly that >>> purpose, no? >> >> Well, that tells you that the page content is effectively gone and should be >> tried to be recovered / migrated away. Unless I am messing up terminology here. > > Maybe it is me messing up the terminology... > But I guess we have established that whether soft offlining is being > abused or not, excluding hugetlb through a configuration is just a wrong > thing to do. Yes, it's odd that you wouldn't want to evacuate hugetlb but everything else. -- Cheers, David