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Tue, 15 Oct 2024 09:38:57 -0700 (PDT) Date: Tue, 15 Oct 2024 09:38:57 -0700 (PDT) From: "Christoph Lameter (Ampere)" To: Vlastimil Babka cc: David Rientjes , "yuan.gao" , penberg@kernel.org, iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, roman.gushchin@linux.dev, 42.hyeyoo@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3] mm/slub: Avoid list corruption when removing a slab from the full list In-Reply-To: <81fc4d8e-fb9f-4e7e-bbb9-dd3f53123398@suse.cz> Message-ID: <69f719ab-8251-e6c1-5c10-0f89fc6413b9@gentwo.org> References: <20241011102020.58087-1-yuan.gao@ucloud.cn> <572f7473-1781-388b-103e-d4382f58f2f9@google.com> <7726cccb-78f8-4696-ac7e-57598c35576d@suse.cz> <81fc4d8e-fb9f-4e7e-bbb9-dd3f53123398@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Rspam-User: X-Rspamd-Queue-Id: 16B0F40005 X-Rspamd-Server: rspam01 X-Stat-Signature: q7q5bhpqqed5oct9btnmynxyq8wmjr11 X-HE-Tag: 1729011038-12237 X-HE-Meta: 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 Kjn3ZtAj Xs7WxPFO/00XaNhcKtjugTP5dVnW4rA4tmfwgoha7J2nleC+xF1VjqfajC7ZSs0txfUkU7OIJJmK2KlOVJE1FjiLMEhwTSGa5PP4MtPDwii1yaWQDkbEpkZHTuvMzaoRO0Rl6s8UCyz90g0H7+dlygwsIxaBReQd8dF5SGvMJ04qVzTFZUmH6VWIhsP6Y5PuQZBxUD2Ob47nhJwRk8a2tT/XMVr4KD8KT0NinDUwjZmUZhkkxIRFrXbRIslRA9/k0H/qszCVpLQxPg9tcUcRk/FhaEvo/mo3sdEe6wiLfYPFCw18= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, 15 Oct 2024, Vlastimil Babka wrote: > On 10/14/24 18:47, Christoph Lameter (Ampere) wrote: > > On Mon, 14 Oct 2024, Vlastimil Babka wrote: > > > >> What about: > >> > >> "Slab disabled due to previous consistency check failure" ? > > > > I think this implies more than we can actually check. We can only check > > the metadata generated by SLUB. The consistency check for the object > > itself does not exist and would have to be done by the subsystem. > > "Slab disabled since SLUB metadata consistency check failure" ? "failed" Sounds good.