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h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=mEu8dVVI4DwCyVt4aFPqCSPKbEZ/7D2f4ksKUcfRIiCsEs3NpG64sgdDFEtCNtFjA CnBsrSXA849nN0Ej7vCGe1zEo5Z2lvHhXTvOLp9kwvtLvVS7E/e/+UQjNbxmazPrlL 396y6PB0Gb0SjwTZxr2RnUZTJ1/E7Ujff3pAjXpE= Date: Thu, 2 Nov 2023 06:42:06 +0100 From: Greg KH To: Sourav Panda Cc: corbet@lwn.net, rafael@kernel.org, akpm@linux-foundation.org, mike.kravetz@oracle.com, muchun.song@linux.dev, rppt@kernel.org, david@redhat.com, rdunlap@infradead.org, chenlinxuan@uniontech.com, yang.yang29@zte.com.cn, tomas.mudrunka@gmail.com, bhelgaas@google.com, ivan@cloudflare.com, pasha.tatashin@soleen.com, yosryahmed@google.com, hannes@cmpxchg.org, shakeelb@google.com, kirill.shutemov@linux.intel.com, wangkefeng.wang@huawei.com, adobriyan@gmail.com, vbabka@suse.cz, Liam.Howlett@oracle.com, surenb@google.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, willy@infradead.org, weixugc@google.com Subject: Re: [PATCH v5 1/1] mm: report per-page metadata information Message-ID: <2023110205-enquirer-sponge-4f35@gregkh> References: <20231101230816.1459373-1-souravpanda@google.com> <20231101230816.1459373-2-souravpanda@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231101230816.1459373-2-souravpanda@google.com> X-Stat-Signature: 759xiizem6krzdshykdtempa9buhrpmy X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 368D3C0009 X-Rspam-User: X-HE-Tag: 1698903731-343846 X-HE-Meta: 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 ewvI19zP RrZsNSJQnJL3C2iYhsqFvQJ/yCzPEPHi+JVwqCA+P63XcvxxaOLAOKTtaIlrhZj8kUeOaxEP4VDoPXBHiFuQoh6b/WV47w6fRf8ARuJYj2RS+9MWodLWtSi1QUlW4zwdcMchxhFs9ZP9HAXxPfsvNZMZrYQp8m4C8l+e6N4NPLuvgs00KH7ZfOgMdUxjBwtvXPs/El8eppj46g+EM66+NcHoUpjty8OLU2m5+V/QHoklenUTuMe/waLpXGwd34osLzkJ2ZpD1ql/IgG7EjdmGrPvMDvmPFW+592i+ 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 Wed, Nov 01, 2023 at 04:08:16PM -0700, Sourav Panda wrote: > Adds a new per-node PageMetadata field to > /sys/devices/system/node/nodeN/meminfo No, this file is already an abuse of sysfs and we need to get rid of it (it has multiple values in one file.) Please do not add to the nightmare by adding new values. Also, even if you did want to do this, you didn't document it properly in Documentation/ABI/ :( thanks, greg k-h