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h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=bX2eZiVpgXQ2pNi7+lhIJhnsL8/i3CVmd9OAdZAcCaDfvL/BtLey7fmRifKPSg7Bg 2hUAWGrF7H+dDWBTNLONt5j2YJbvUifsT+6kpK+DF7W0K9ktJU7yfkhiaQLPGRz0iV hhmoaQ4gLUI821DvgDIAiSRVCc1tEhKyy+sSjmOw= Date: Wed, 6 Dec 2023 11:36:10 +0900 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 v6 0/1] mm: report per-page metadata information Message-ID: <2023120648-droplet-slit-0e31@gregkh> References: <20231205223118.3575485-1-souravpanda@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231205223118.3575485-1-souravpanda@google.com> X-Rspamd-Queue-Id: 9C577120020 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: x9wy7961cff5fpeuy3yeq9hcexcsag5i X-HE-Tag: 1701830180-798768 X-HE-Meta: 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 QFTxRHfi B+hKsL0sKt4TzWKDdbaTOKKqvGdkcZOG6X9GT7yrxkaCu3RNVN7MKGUTM23yYWfA93UCQGpkAA+4fmwl8tW37fYi8n0RahG8EhFBL2TdqUpT90fdyQnVXz44yfiFExZ2ZVDGDPSknNFcu/3KvKDOWZ6Y8NRDKWw6+2GXfmPhE4jhUzvokqgOsZgpmkqiHk5dGM42szw8yDSI8L6YI8+L9HDpSQKtVxvRI7DSlATzfB9Bnf+cfBHzl7u2ggCKzhB+DDVL6Q/JM5NWfd3wThSg/PnSk3Ybg25cVKcIO 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 Tue, Dec 05, 2023 at 02:31:17PM -0800, Sourav Panda wrote: > Changelog: > v6: > - Interface changes > - Added per-node nr_page_metadata and > nr_page_metadata_boot fields that are exported > in /sys/devices/system/node/nodeN/vmstat Again, please do not add any new fields to existing sysfs files, that's not going to work well. You can add a new sysfs file, that's file, but do not continue the abuse of the sysfs api in this file. thanks, greg k-h