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Wed, 21 Jan 2026 14:29:54 +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 kut6CuLicGkwbAAAD6G6ig (envelope-from ); Wed, 21 Jan 2026 14:29:54 +0000 Message-ID: <6a814aef-7b81-4b9d-a0a5-39f7dd7daf3d@suse.cz> Date: Wed, 21 Jan 2026 15:29:53 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 15/21] slab: remove struct kmem_cache_cpu Content-Language: en-US To: Hao Li Cc: Harry Yoo , Petr Tesarik , Christoph Lameter , David Rientjes , Roman Gushchin , Andrew Morton , Uladzislau Rezki , "Liam R. Howlett" , Suren Baghdasaryan , Sebastian Andrzej Siewior , Alexei Starovoitov , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-rt-devel@lists.linux.dev, bpf@vger.kernel.org, kasan-dev@googlegroups.com References: <20260116-sheaves-for-all-v3-0-5595cb000772@suse.cz> <20260116-sheaves-for-all-v3-15-5595cb000772@suse.cz> 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: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Action: no action X-Stat-Signature: 766c7k588zdbqyf7uaphwn4ponuqtq5w X-Rspamd-Queue-Id: 586DFA001B X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1769005797-706930 X-HE-Meta: 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 y5fCzxkA 8c1Xk4EJ/nu1LeTmOqkTpfi/P6u5uwZ9GHEAkQ0E1DPhTD501OY0GRSrSiTtBGeM7u99oMT3AFUOfMfxSUH+z25GhCkYJgzZHEFLl1oGXj/RWy75FjTIHyEHtdWMke0IEoN1iO1//lTTiCWbjWD47s9pa0RUYQ4EFMZpP0Sw9JgdFRqHr9USoMLFpokv4vOUagnQrMPF9VXyyWxaPbI8dTsBj6YjlRauKtI/KYGudE6qxtRQntq6OognskpzKt3INQ16QSXaHxD3IS2hScrJ9mnztKXY4LNz8eGtzgUgxhq+ne80tIpQBgh2cn8BIElsb4uABsdDBRVl9dtc= 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 1/20/26 13:40, Hao Li wrote: > On Fri, Jan 16, 2026 at 03:40:35PM +0100, Vlastimil Babka wrote: >> @@ -3853,7 +3632,7 @@ static bool has_pcs_used(int cpu, struct kmem_cache *s) >> } >> >> /* >> - * Flush cpu slab. >> + * Flush percpu sheaves >> * >> * Called from CPU work handler with migration disabled. >> */ >> @@ -3868,8 +3647,6 @@ static void flush_cpu_slab(struct work_struct *w) > > Nit: Would it make sense to rename flush_cpu_slab to flush_cpu_sheaf for better > clarity? OK > Other than that, looks good to me. Thanks. > > Reviewed-by: Hao Li Thanks!