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Fri, 24 Oct 2025 10:34:26 +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 S4YcMzJW+2gpVgAAD6G6ig (envelope-from ); Fri, 24 Oct 2025 10:34:26 +0000 Message-ID: <804253b4-5519-47e8-a362-bb8af06971ad@suse.cz> Date: Fri, 24 Oct 2025 12:34:26 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] slab: Fix obj_ext is mistakenly considered NULL due to race condition Content-Language: en-US To: Hao Ge Cc: Harry Yoo , Andrew Morton , Christoph Lameter , David Rientjes , Roman Gushchin , Suren Baghdasaryan , Shakeel Butt , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Hao Ge References: <8b152d73-ecc4-415c-acdc-3f5105412ac0@suse.cz> <123334B8-89A9-48C2-BBD9-A601E0395AB1@linux.dev> From: Vlastimil Babka Autocrypt: addr=vbabka@suse.cz; keydata= xsFNBFZdmxYBEADsw/SiUSjB0dM+vSh95UkgcHjzEVBlby/Fg+g42O7LAEkCYXi/vvq31JTB KxRWDHX0R2tgpFDXHnzZcQywawu8eSq0LxzxFNYMvtB7sV1pxYwej2qx9B75qW2plBs+7+YB 87tMFA+u+L4Z5xAzIimfLD5EKC56kJ1CsXlM8S/LHcmdD9Ctkn3trYDNnat0eoAcfPIP2OZ+ 9oe9IF/R28zmh0ifLXyJQQz5ofdj4bPf8ecEW0rhcqHfTD8k4yK0xxt3xW+6Exqp9n9bydiy tcSAw/TahjW6yrA+6JhSBv1v2tIm+itQc073zjSX8OFL51qQVzRFr7H2UQG33lw2QrvHRXqD Ot7ViKam7v0Ho9wEWiQOOZlHItOOXFphWb2yq3nzrKe45oWoSgkxKb97MVsQ+q2SYjJRBBH4 8qKhphADYxkIP6yut/eaj9ImvRUZZRi0DTc8xfnvHGTjKbJzC2xpFcY0DQbZzuwsIZ8OPJCc LM4S7mT25NE5kUTG/TKQCk922vRdGVMoLA7dIQrgXnRXtyT61sg8PG4wcfOnuWf8577aXP1x 6mzw3/jh3F+oSBHb/GcLC7mvWreJifUL2gEdssGfXhGWBo6zLS3qhgtwjay0Jl+kza1lo+Cv BB2T79D4WGdDuVa4eOrQ02TxqGN7G0Biz5ZLRSFzQSQwLn8fbwARAQABzSBWbGFzdGltaWwg QmFia2EgPHZiYWJrYUBzdXNlLmN6PsLBlAQTAQoAPgIbAwULCQgHAwUVCgkICwUWAgMBAAIe AQIXgBYhBKlA1DSZLC6OmRA9UCJPp+fMgqZkBQJnyBr8BQka0IFQAAoJECJPp+fMgqZkqmMQ AIbGN95ptUMUvo6aAdhxaOCHXp1DfIBuIOK/zpx8ylY4pOwu3GRe4dQ8u4XS9gaZ96Gj4bC+ jwWcSmn+TjtKW3rH1dRKopvC07tSJIGGVyw7ieV/5cbFffA8NL0ILowzVg8w1ipnz1VTkWDr 2zcfslxJsJ6vhXw5/npcY0ldeC1E8f6UUoa4eyoskd70vO0wOAoGd02ZkJoox3F5ODM0kjHu Y97VLOa3GG66lh+ZEelVZEujHfKceCw9G3PMvEzyLFbXvSOigZQMdKzQ8D/OChwqig8wFBmV QCPS4yDdmZP3oeDHRjJ9jvMUKoYODiNKsl2F+xXwyRM2qoKRqFlhCn4usVd1+wmv9iLV8nPs 2Db1ZIa49fJet3Sk3PN4bV1rAPuWvtbuTBN39Q/6MgkLTYHb84HyFKw14Rqe5YorrBLbF3rl M51Dpf6Egu1yTJDHCTEwePWug4XI11FT8lK0LNnHNpbhTCYRjX73iWOnFraJNcURld1jL1nV r/LRD+/e2gNtSTPK0Qkon6HcOBZnxRoqtazTU6YQRmGlT0v+rukj/cn5sToYibWLn+RoV1CE Qj6tApOiHBkpEsCzHGu+iDQ1WT0Idtdynst738f/uCeCMkdRu4WMZjteQaqvARFwCy3P/jpK uvzMtves5HvZw33ZwOtMCgbpce00DaET4y/UzsBNBFsZNTUBCACfQfpSsWJZyi+SHoRdVyX5 J6rI7okc4+b571a7RXD5UhS9dlVRVVAtrU9ANSLqPTQKGVxHrqD39XSw8hxK61pw8p90pg4G /N3iuWEvyt+t0SxDDkClnGsDyRhlUyEWYFEoBrrCizbmahOUwqkJbNMfzj5Y7n7OIJOxNRkB IBOjPdF26dMP69BwePQao1M8Acrrex9sAHYjQGyVmReRjVEtv9iG4DoTsnIR3amKVk6si4Ea X/mrapJqSCcBUVYUFH8M7bsm4CSxier5ofy8jTEa/CfvkqpKThTMCQPNZKY7hke5qEq1CBk2 wxhX48ZrJEFf1v3NuV3OimgsF2odzieNABEBAAHCwXwEGAEKACYCGwwWIQSpQNQ0mSwujpkQ PVAiT6fnzIKmZAUCZ8gcVAUJFhTonwAKCRAiT6fnzIKmZLY8D/9uo3Ut9yi2YCuASWxr7QQZ lJCViArjymbxYB5NdOeC50/0gnhK4pgdHlE2MdwF6o34x7TPFGpjNFvycZqccSQPJ/gibwNA zx3q9vJT4Vw+YbiyS53iSBLXMweeVV1Jd9IjAoL+EqB0cbxoFXvnjkvP1foiiF5r73jCd4PR rD+GoX5BZ7AZmFYmuJYBm28STM2NA6LhT0X+2su16f/HtummENKcMwom0hNu3MBNPUOrujtW khQrWcJNAAsy4yMoJ2Lw51T/5X5Hc7jQ9da9fyqu+phqlVtn70qpPvgWy4HRhr25fCAEXZDp xG4RNmTm+pqorHOqhBkI7wA7P/nyPo7ZEc3L+ZkQ37u0nlOyrjbNUniPGxPxv1imVq8IyycG AN5FaFxtiELK22gvudghLJaDiRBhn8/AhXc642/Z/yIpizE2xG4KU4AXzb6C+o7LX/WmmsWP Ly6jamSg6tvrdo4/e87lUedEqCtrp2o1xpn5zongf6cQkaLZKQcBQnPmgHO5OG8+50u88D9I rywqgzTUhHFKKF6/9L/lYtrNcHU8Z6Y4Ju/MLUiNYkmtrGIMnkjKCiRqlRrZE/v5YFHbayRD dJKXobXTtCBYpLJM4ZYRpGZXne/FAtWNe4KbNJJqxMvrTOrnIatPj8NhBVI0RSJRsbilh6TE m6M14QORSWTLRg== In-Reply-To: <123334B8-89A9-48C2-BBD9-A601E0395AB1@linux.dev> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Stat-Signature: tmjrkrcjih8sn5x9d6wej65rk59nrcj3 X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: EDE372000D X-HE-Tag: 1761302076-848327 X-HE-Meta: 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 uIIURS0B I5Xs7Ic6w2JENoKlmoGwzubdFinxhL6RGl4VOmBMzMNxk1YRrSYza2x1h8nq1RdPOkk0h/F6seb+MiyoT3Oq+rK1xLYSuiKhh2tn4gpxaNH3NqeUKw6McpYGngHYGf6zJ9r7Ys+dTouKv9i+JfVmOEZoRZSiSkqAVLnl4Sswds7mx3KbDgrXml9zKUjhbfI5QlZPqF7qdmg5Qz2/GtT/aw07iqB+Fb5wK40wZImwXHpOgkC/ZCCBGXktcL7kRn5LnMhkwmMC3Ipqx680WZ0zc55FRk70oUJgrivqG+aexFDZAYoI= 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 10/24/25 12:06, Hao Ge wrote: >> } >> > Thank you very much for your help, > and I sincerely apologize for the actual trouble I have caused you. No trouble at all, this is all normal review/maintenance process :) Thank you for the fixes!