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Received: from willy by casper.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1rbvCK-0000000Brsb-0Oa1; Mon, 19 Feb 2024 04:24:08 +0000 Date: Mon, 19 Feb 2024 04:24:07 +0000 From: Matthew Wilcox To: Fangzheng Zhang Cc: Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton , Vlastimil Babka , Roman Gushchin , Hyeonggon Yoo <42.hyeyoo@gmail.com>, Greg KH , linux-mm@kvack.org, linux-kernel@vger.kernel.org, tkjos@google.com, Fangzheng Zhang , Yuming Han , Chunyan Zhang Subject: Re: [PATCH V2 2/2] Documentation: filesystems: introduce proc/slabinfo to users Message-ID: References: <20240219031911.10372-1-fangzheng.zhang@unisoc.com> <20240219031911.10372-3-fangzheng.zhang@unisoc.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240219031911.10372-3-fangzheng.zhang@unisoc.com> X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 0F82F180012 X-Stat-Signature: xitrezt4ax5j3wboj9afam1wh5ua8ie3 X-HE-Tag: 1708316664-970888 X-HE-Meta: U2FsdGVkX19AYKGagA06U/6H3tU9HA7fQC+zAAf00XFOpCO+sjg023E3jC0y3vM6g4vDmYoTjr9sqGdG5o67hrHZRrnhwXE/CuePUo5IYRhcCHR7mOfrT2PXre1RvE6C6brc2N2D/3y1W4GqVb6HEU7/zuBgCD05Yb0hm5GIcWrNoWY0WB7zwn5yWjQA0FMsOz8sL1Xq+5+4Xs6Zyujb2ukEvttLjgm7Z2MIgDKItFEl10V2w8d5pAfVmEtrvBvNZqXuosVr11VH1QCRD8VJgOcs4INTw4KMPXAsovcjxrOFnDD1j/sHfjoL41gS3047KMM5+7Eh5H6sJCb7OjM9smZuoxTYcnNMB0QBr2DkyxJwZS3EzTrrM/I9KfCa7K9j3xBYrTRNnw4tw5QWwFEyDae4qQY4OiHKcN4GqYEUpjCeAim5R7+tPqpbOcWe67swuxdIObRkTblTcqTgTUG//b5yJogrSRWzFGIIOGQZHggwCEgfme/EF5196rZ+8wakh6dGMBWFypp6Zr4G8W1VKOpIEdkcN+Zqd7CFcjFWEO8b/uFaFga72sjhrskqOZarmVaxKJ5c1Ofn17zRDpWT78+Oi1ldOrfAajfFcweV3rkDl23EW6ANHutgAo1FpF/Uk9GmirVU74xZdw0291cvQT9a/3vdwioPARz0fJKMmhecqBS2gx1DMYtq0Ogh6qKHGQvOkyc1f6GpW4zWbyzj3UnqHTR4JzNhhS0bAigDSQIdik1aAh8u/IJyTv0pCZLjN2tUZCuYElPRY8x7AInqH/aZX8GGpUkSihfIYi/h2cCA8nzh21xcJh+GCviE1sx+BNTHggEwge1ao05rnkUud9hnXNfbNV6Sf9aY00HXxaETjDopbXPWY8HqQA+bTyNu342jSIwivHkJJQWlCyrGrHLqB6xS1nkA9axMhvFii8pCBNmcaIYKR5MU65QPjLkglh024KTaYOW9Dl5ydpB D/n5V3d8 61gz7qwsOrIXpLDfSVIRPnOqQeEQBI3/63cWibeVHWtj9VGS+ua/xAs5JDIvfhZppAkNA2xb7NkMa3k+m1XrqBocTMOfia6dNH2djOEl7TZ6fhUVwVcKAupC2LGz/rD2gTrbgTolv0WkVPT0ijQKc8qmEFpi6k8NAjJWCmQ5vYFNoXXR9PO9ezM0pPamJw5451SyGbP/4b9CZbwcGrYLi9QmdsA== 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 Mon, Feb 19, 2024 at 11:19:11AM +0800, Fangzheng Zhang wrote: > +Note, comes from the collected results in the file > +/sys/kernel/slab/$cache/reclaim_account. Next, we will mark /proc/slabinfo > +as deprecated and recommend the use of either sysfs directly or > +use of the "slabinfo" tool that we have been providing in linux/tools/mm. Wait, so you're going to all of the trouble of changing the format of slabinfo (with the associated costs of updating every tool that currently parses it), only to recommend that we stop using it and start using tools/mm/slabinfo instead? How about we simply do nothing?