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Mon, 14 Oct 2024 09:47:54 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by gentwo.org (Postfix) with ESMTP id 5898B401C9; Mon, 14 Oct 2024 09:47:54 -0700 (PDT) Date: Mon, 14 Oct 2024 09:47:54 -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: <7726cccb-78f8-4696-ac7e-57598c35576d@suse.cz> Message-ID: References: <20241011102020.58087-1-yuan.gao@ucloud.cn> <572f7473-1781-388b-103e-d4382f58f2f9@google.com> <7726cccb-78f8-4696-ac7e-57598c35576d@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Stat-Signature: ji55ixa9uc5qihuo6kong55rdyax3wn5 X-Rspamd-Queue-Id: 6EE2940013 X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1728924941-402933 X-HE-Meta: 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 aY2sc8jm jQVE1XBg5GtqBrXcjhLOM/h1wGEIUvqpdNS9nxz+yrufVdfF2uXYVC7rYJrMxiAQwuT0Bj3YVF9IuJIc5Y+Xi34Qem1VxzbUWoIlJRgI+zsN81H/1XGXAxFv3ej6V3ssXFkq7CgDAsUugudsPE4wW2WNBhs8At2f7WokNHb8Fv7O7ZoDBMEqJo91Jb+SN2WMYGfOtVuAe6YOHVq68pBAhu/eXQd/DOZVs9WfVeUtE35AB5Im5cWiElrbQNaMsdlsvcNpSVA+UyM1Pn9IGwNKX+N59iATatwUY+kCunwufro0M/w8= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000081, 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 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.