Received: by 2002:a05:7412:8d10:b0:f3:1519:9f41 with SMTP id bj16csp5245488rdb; Wed, 13 Dec 2023 03:23:53 -0800 (PST) X-Google-Smtp-Source: AGHT+IEAFQ4G262/ULxhYNOEkWKPO1hdKz3U7rJLQAIC/E4VwtxvDIo7duy8CLlIMAMvZhgaUipR X-Received: by 2002:a05:6e02:18c5:b0:35d:63cf:420c with SMTP id s5-20020a056e0218c500b0035d63cf420cmr12248408ilu.16.1702466633561; Wed, 13 Dec 2023 03:23:53 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1702466633; cv=none; d=google.com; s=arc-20160816; b=sA9T3p+UhNBYISNGftKq+DVYnoG4ASnMfzlDhPhacGEf8eIRjlH8AbPzNv5CQR/Glw yK3r6h+drAl4NzFBVVQzZhOyRtg+iPGhGwechXmxO+hdP/0Qfni64iwq0kb1cMj7TfOK kSh2VZ2OrSE00VoZlmrLl/NUBjBU+3nOSixjR5HW5MG1orDnAk/JGPBjSDT+fXFH9Uot YR+7lerCHlPNqCpb1Srfwf2dYdTBi4MKaaCTnYqzgIyvE0fBNkSD9/OFKoU6QHVD/WI0 ocIClOrFUGHyteQ72e4MowYNHEIJ824wBDAemjxrlrnBztex2RV1dEc5QVIwRZTC443g kf1A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to:from :references:cc:to:content-language:subject:user-agent:mime-version :date:message-id:dkim-signature:dkim-signature:dkim-signature :dkim-signature; bh=J8oULe9Q6a8Fv/1vVGgO0lyOnjaJjGxb7lQ/bcbh7QY=; fh=RRMEA6HtrFyK+KX2zE2BHmkpHCuRKsbIV7o7LEdqg84=; b=WgpecMt7Om19PUtMmOTisgsCo2b3q0zW/TtDGf3ww/ipnKVI5nWA1E4uBOKwZ5JeQR PbE8XABKkhDyGX+g+Aa2WLl5uGErMBdsK6KiM/T2Nq8+QK8F+VhxDOyi8mjgqqCZWvA7 lXh4Lk1N5Fr5B/q3ziUk4qiQFYa5Iax7Vf8EJWYthrQUz9RDEH9NDY1F/iybh8BSyZ0W lHBob82PQPRuZqxBLMxn1GsFBIzisK4LcmPq7NTjh4TcMpgkXmk8muljBKSE4931EZQW tz11QtzK5uuNVXROGEhhMQvEG1vPSodIrxYyOHG65B/lL7Olbl9BNqW78idL0xra6z0A gPNg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@suse.cz header.s=susede2_rsa header.b=ZrDF5ALR; dkim=neutral (no key) header.i=@suse.cz; dkim=pass header.i=@suse.cz header.s=susede2_rsa header.b=ZrDF5ALR; dkim=neutral (no key) header.i=@suse.cz header.b="9Wndxuy/"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.31 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from morse.vger.email (morse.vger.email. [23.128.96.31]) by mx.google.com with ESMTPS id s13-20020a65690d000000b005c65d0dd9a0si9178063pgq.503.2023.12.13.03.23.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Dec 2023 03:23:53 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.31 as permitted sender) client-ip=23.128.96.31; Authentication-Results: mx.google.com; dkim=pass header.i=@suse.cz header.s=susede2_rsa header.b=ZrDF5ALR; dkim=neutral (no key) header.i=@suse.cz; dkim=pass header.i=@suse.cz header.s=susede2_rsa header.b=ZrDF5ALR; dkim=neutral (no key) header.i=@suse.cz header.b="9Wndxuy/"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.31 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by morse.vger.email (Postfix) with ESMTP id DBE2D82072E8; Wed, 13 Dec 2023 03:23:50 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at morse.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1377406AbjLMLXZ (ORCPT + 99 others); Wed, 13 Dec 2023 06:23:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60700 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377427AbjLMLXX (ORCPT ); Wed, 13 Dec 2023 06:23:23 -0500 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.223.130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1BD7F10A; Wed, 13 Dec 2023 03:23:29 -0800 (PST) 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 0A72D22338; Wed, 13 Dec 2023 11:23:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1702466607; 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; bh=J8oULe9Q6a8Fv/1vVGgO0lyOnjaJjGxb7lQ/bcbh7QY=; b=ZrDF5ALRylVVW01ePKPFwARd1kwHO5sKN6APKFmYZORcbn50+y+wAUL0IqAR+8v69WdlfA TWxu0Sv7GtTYqUptE2DghyxfNlQ5CwaCTeNd3t16nL1bweYBMpJySlsC9BnKMFPt8dc8wv cUuuoz6SfmQ863yGScGlcarBBDTLToo= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1702466607; 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; bh=J8oULe9Q6a8Fv/1vVGgO0lyOnjaJjGxb7lQ/bcbh7QY=; b=9Wndxuy/Su5J42prvVkZYyTD/NIEbVKH9YkPlAePFnwuYlwT+l3AaWxbtRzRCzVHD2oMJ8 DktArNCE62t3pjAA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1702466607; 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; bh=J8oULe9Q6a8Fv/1vVGgO0lyOnjaJjGxb7lQ/bcbh7QY=; b=ZrDF5ALRylVVW01ePKPFwARd1kwHO5sKN6APKFmYZORcbn50+y+wAUL0IqAR+8v69WdlfA TWxu0Sv7GtTYqUptE2DghyxfNlQ5CwaCTeNd3t16nL1bweYBMpJySlsC9BnKMFPt8dc8wv cUuuoz6SfmQ863yGScGlcarBBDTLToo= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1702466607; 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; bh=J8oULe9Q6a8Fv/1vVGgO0lyOnjaJjGxb7lQ/bcbh7QY=; b=9Wndxuy/Su5J42prvVkZYyTD/NIEbVKH9YkPlAePFnwuYlwT+l3AaWxbtRzRCzVHD2oMJ8 DktArNCE62t3pjAA== 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 DBCEB1377F; Wed, 13 Dec 2023 11:23:26 +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 5wo8NS6UeWUSaAAAD6G6ig (envelope-from ); Wed, 13 Dec 2023 11:23:26 +0000 Message-ID: <043c49e4-2665-318a-5acb-7081768bc1f3@suse.cz> Date: Wed, 13 Dec 2023 12:23:26 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.1 Subject: Re: [PATCH v3 4/4] mm/slub: correct the default value of slub_min_objects in doc Content-Language: en-US To: "Song, Xiongwei" , "sxwjean@me.com" , "42.hyeyoo@gmail.com" <42.hyeyoo@gmail.com>, "cl@linux.com" , "linux-mm@kvack.org" Cc: "penberg@kernel.org" , "rientjes@google.com" , "iamjoonsoo.kim@lge.com" , "roman.gushchin@linux.dev" , "corbet@lwn.net" , "keescook@chromium.org" , "arnd@arndb.de" , "akpm@linux-foundation.org" , "gregkh@linuxfoundation.org" , "linux-doc@vger.kernel.org" , "linux-kernel@vger.kernel.org" References: <20231209135203.303508-1-sxwjean@me.com> <20231209135203.303508-5-sxwjean@me.com> From: Vlastimil Babka In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Score: 6.33 X-Spamd-Bar: ++++ X-Rspamd-Queue-Id: 0A72D22338 Authentication-Results: smtp-out1.suse.de; dkim=pass header.d=suse.cz header.s=susede2_rsa header.b=ZrDF5ALR; dkim=pass header.d=suse.cz header.s=susede2_ed25519 header.b="9Wndxuy/"; dmarc=none; spf=softfail (smtp-out1.suse.de: 2a07:de40:b281:104:10:150:64:97 is neither permitted nor denied by domain of vbabka@suse.cz) smtp.mailfrom=vbabka@suse.cz X-Spam-Score: 4.42 X-Spamd-Result: default: False [4.42 / 50.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_SOFTFAIL(4.60)[~all:c]; R_RATELIMIT(0.00)[to_ip_from(RL9sdddhhbu1oo5wyhn6sr3k5b)]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[suse.cz:+]; MX_GOOD(-0.01)[]; FREEMAIL_TO(0.00)[windriver.com,me.com,gmail.com,linux.com,kvack.org]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; MID_RHS_MATCH_FROM(0.00)[]; BAYES_HAM(-2.57)[98.09%]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; FROM_HAS_DN(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com,me.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TAGGED_RCPT(0.00)[]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(1.20)[suse.cz]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; RCPT_COUNT_TWELVE(0.00)[16]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.cz:dkim]; FUZZY_BLOCKED(0.00)[rspamd.com]; RCVD_TLS_ALL(0.00)[]; SUSPICIOUS_RECIPS(1.50)[] X-Rspamd-Server: rspamd1 X-Spam-Status: No, score=-1.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on morse.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (morse.vger.email [0.0.0.0]); Wed, 13 Dec 2023 03:23:51 -0800 (PST) On 12/9/23 14:59, Song, Xiongwei wrote: > I didn't change description as you mentioned because slab_min_objects doesn't > save the calculated value based on the number of processors, but the local > variables min_objects doesn't. Hm I think that's less helpful. The user/admin who will read the doc doesn't care about implementation details such as value of a variable, but what's the actual observable default behavior, and that is still the automatic scaling, right? > Regards, > Xiongwei