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Tue, 15 Oct 2024 08:56:48 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id qrrxElAuDmezGAAAD6G6ig (envelope-from ); Tue, 15 Oct 2024 08:56:48 +0000 Message-ID: <81fc4d8e-fb9f-4e7e-bbb9-dd3f53123398@suse.cz> Date: Tue, 15 Oct 2024 10:56:47 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3] mm/slub: Avoid list corruption when removing a slab from the full list Content-Language: en-US To: "Christoph Lameter (Ampere)" 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 References: <20241011102020.58087-1-yuan.gao@ucloud.cn> <572f7473-1781-388b-103e-d4382f58f2f9@google.com> <7726cccb-78f8-4696-ac7e-57598c35576d@suse.cz> From: Vlastimil Babka Autocrypt: addr=vbabka@suse.cz; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Score: -2.80 X-Spamd-Result: default: False [-2.80 / 50.00]; BAYES_HAM(-3.00)[99.99%]; SUSPICIOUS_RECIPS(1.50)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; RCPT_COUNT_SEVEN(0.00)[10]; RCVD_TLS_ALL(0.00)[]; ARC_NA(0.00)[]; TAGGED_RCPT(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; MIME_TRACE(0.00)[0:+]; MID_RHS_MATCH_FROM(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; FROM_HAS_DN(0.00)[]; FREEMAIL_CC(0.00)[google.com,ucloud.cn,kernel.org,lge.com,linux-foundation.org,linux.dev,gmail.com,kvack.org,vger.kernel.org]; TO_DN_SOME(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FUZZY_BLOCKED(0.00)[rspamd.com]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo] X-Spam-Flag: NO X-Spam-Level: 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" ?