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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-Spamd-Bar: ++++ X-Rspamd-Queue-Id: 67D6F18000B X-Rspam-User: X-Stat-Signature: ft4r9tmmq83t4dpih779h4kf6stx3p5j X-Rspamd-Server: rspam03 X-HE-Tag: 1702466609-454608 X-HE-Meta: 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 Ytn55iwk pG6XuCGe0Dk9YnLSiLXPeGGOM21WoHV8LoV/JA5wsArNHD9ahPIx2eHseexJNEBOJh2XaWdfOaAVnRzpY4OwBvSmxI77WhIlB/TLcHWC6H73Uh4is8ITqigHE8bP49bNJUugiB31SkAt0l6EO5ApMyVEBgp4pNbv0lvZhevDpStG394jF2RxBZhg9hX0D6DNLZWIlU5XbJJN6wVdg1oVdurAANXNUC0g+EpOFLcBVpuMDJz2WbfPag6e35hXBaOn4OUvxG7DRHRkG4RZ+8qMbnJiZjBxlXsBRSPEWf4uglvZ/xD2KmK3LngeGENvuyEHzq81/FqyF9AqGLiVmlXYrzygn4tAFPIlWH8ZSpAlZQtezzqlZfXGsSYy9Jd4mEANl8SV8 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 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