From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2893BEC9; Wed, 6 Dec 2023 02:36:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="bX2eZiVp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0AC5DC433C8; Wed, 6 Dec 2023 02:36:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1701830175; bh=jl8ZgGJcA+2u2wRfb7gRBaYrQkwzkFENKH/0Cgo3FZ8=; 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> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231205223118.3575485-1-souravpanda@google.com> 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