From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id BEAFAC83F18 for ; Thu, 10 Jul 2025 07:45:12 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 39A416B00A0; Thu, 10 Jul 2025 03:45:12 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 34A316B00A3; Thu, 10 Jul 2025 03:45:12 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2127B6B00A6; Thu, 10 Jul 2025 03:45:12 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 1119C6B00A0 for ; Thu, 10 Jul 2025 03:45:12 -0400 (EDT) Received: from smtpin28.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id B512A129466 for ; Thu, 10 Jul 2025 07:45:11 +0000 (UTC) X-FDA: 83647569222.28.E0B4873 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.223.130]) by imf25.hostedemail.com (Postfix) with ESMTP id 3D633A0002 for ; Thu, 10 Jul 2025 07:45:08 +0000 (UTC) Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=suse.cz header.s=susede2_rsa header.b="qH1bC//v"; dkim=pass header.d=suse.cz header.s=susede2_ed25519 header.b=DErqi3io; dkim=pass header.d=suse.cz header.s=susede2_rsa header.b="qH1bC//v"; dkim=pass header.d=suse.cz header.s=susede2_ed25519 header.b=DErqi3io; dmarc=none; spf=pass (imf25.hostedemail.com: domain of vbabka@suse.cz designates 195.135.223.130 as permitted sender) smtp.mailfrom=vbabka@suse.cz ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1752133509; a=rsa-sha256; cv=none; b=HrYlfKKe1RVDUeTx/edbbJ8WGvCSqTcfJLvpC/d3fXiPccUKhnaKTG1oKy1JGwADGv38XO Tq6+cVOIxxxkV9RMe7SYSDokvFD2QkN8uz0KcqQjE8AGr0NCJk2U/+0NeTwOB6S0mOlMwl LN4YfMVe297AvwHg7Zlvt9qdSECykQg= ARC-Authentication-Results: i=1; imf25.hostedemail.com; dkim=pass header.d=suse.cz header.s=susede2_rsa header.b="qH1bC//v"; dkim=pass header.d=suse.cz header.s=susede2_ed25519 header.b=DErqi3io; dkim=pass header.d=suse.cz header.s=susede2_rsa header.b="qH1bC//v"; dkim=pass header.d=suse.cz header.s=susede2_ed25519 header.b=DErqi3io; dmarc=none; spf=pass (imf25.hostedemail.com: domain of vbabka@suse.cz designates 195.135.223.130 as permitted sender) smtp.mailfrom=vbabka@suse.cz ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1752133509; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=SwiYXawlk2GbUglsLaVMtrw1Q7SkFLnzF9Ts2q98Ebk=; b=m2kb2krlPnvxVhCtdMkf+2BBWnJJ05Md5NP6b6yenyjxa5r/XKMVsYTykIGYypy49jzG62 6A8ev4qcwNZZljGPGSeqshIMfmBCCP0mEiJvCYoQHX5jAeLQ7ETrMq85jN2qRSYQStj2e2 e5m5CL2qH/M/dg8gu45zRB/E4JDRFj8= Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 7803021161; Thu, 10 Jul 2025 07:45:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1752133507; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=SwiYXawlk2GbUglsLaVMtrw1Q7SkFLnzF9Ts2q98Ebk=; b=qH1bC//vWa2298KcnU6iYKni6fdZ+yw/RgwdOzFKHV+iibnjQ1yIZtj6k5ciFSJ7Ye1Okg HKe5Ct0tWlcoj4SdgrCGRjgbj7ubayoQ38VyWqzO+N1/RCD7pxye+nl3/j7uKW3av19IuL ltV0rT2fady4SuUREjOordd+h/eUGwo= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1752133507; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=SwiYXawlk2GbUglsLaVMtrw1Q7SkFLnzF9Ts2q98Ebk=; b=DErqi3ioEn+iwlDOB2K7oahOdpSXDOn0L4urAUufUZPkvqCbORWZaQCp3DixKXq6zQJgmv AylM2z0yyRznWKDw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1752133507; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=SwiYXawlk2GbUglsLaVMtrw1Q7SkFLnzF9Ts2q98Ebk=; b=qH1bC//vWa2298KcnU6iYKni6fdZ+yw/RgwdOzFKHV+iibnjQ1yIZtj6k5ciFSJ7Ye1Okg HKe5Ct0tWlcoj4SdgrCGRjgbj7ubayoQ38VyWqzO+N1/RCD7pxye+nl3/j7uKW3av19IuL ltV0rT2fady4SuUREjOordd+h/eUGwo= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1752133507; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=SwiYXawlk2GbUglsLaVMtrw1Q7SkFLnzF9Ts2q98Ebk=; b=DErqi3ioEn+iwlDOB2K7oahOdpSXDOn0L4urAUufUZPkvqCbORWZaQCp3DixKXq6zQJgmv AylM2z0yyRznWKDw== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 516CB13AAB; Thu, 10 Jul 2025 07:45:07 +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 mJ3yEYNvb2g2KAAAD6G6ig (envelope-from ); Thu, 10 Jul 2025 07:45:07 +0000 Message-ID: <3b1de14f-faef-420b-87e8-3b7f2845ced1@suse.cz> Date: Thu, 10 Jul 2025 09:45:07 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v12 2/4] mm/slub: allow to set node and align in k[v]realloc Content-Language: en-US To: Vitaly Wool , linux-mm@kvack.org Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, Uladzislau Rezki , Danilo Krummrich , Alice Ryhl , rust-for-linux@vger.kernel.org, Lorenzo Stoakes , "Liam R . Howlett" , Kent Overstreet , linux-bcachefs@vger.kernel.org, bpf@vger.kernel.org, Herbert Xu , Jann Horn , Pedro Falcato References: <20250709172345.1031907-1-vitaly.wool@konsulko.se> <20250709172441.1032006-1-vitaly.wool@konsulko.se> 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: <20250709172441.1032006-1-vitaly.wool@konsulko.se> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Action: no action X-Rspamd-Queue-Id: 3D633A0002 X-Stat-Signature: xnfzhhiomihbb3uegx68iopksgs9yypo X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1752133508-26314 X-HE-Meta: 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 xMej+M2f gF4EmmvDZdTh8xCuioQH6EyAgq0UMtnR4mZPvAJE0mZOSw7daoag5sWjW+0kp5xZraBQMS8rwaJ45NRow0ctaMAVIKYwQk4dVcWtWaSfyuhiR/8I1vIanwDAlKSCqohUeP7Tb0kmA2FBzIbLt0t1JemXdJwMRFkdO6S4WD+Sm59crutTmnaaMMHJ1S8MapZMgtVKDn7CahCDkmfpIH4aQ8WmM1V+gsFQrSANMWWOyiCiqbWQwxwai5HxM3g== 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 7/9/25 19:24, Vitaly Wool wrote: > Reimplement k[v]realloc_node() to be able to set node and > alignment should a user need to do so. In order to do that while > retaining the maximal backward compatibility, add > k[v]realloc_node_align() functions and redefine the rest of API > using these new ones. > > While doing that, we also keep the number of _noprof variants to a > minimum, which implies some changes to the existing users of older > _noprof functions, that basically being bcachefs. > > With that change we also provide the ability for the Rust part of > the kernel to set node and alignment in its K[v]xxx > [re]allocations. > > Signed-off-by: Vitaly Wool Reviewed-by: Vlastimil Babka