From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id B3E28ECAAA3 for ; Thu, 25 Aug 2022 22:03:31 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 26EB6940008; Thu, 25 Aug 2022 18:03:31 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 1F708940007; Thu, 25 Aug 2022 18:03:31 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0986A940008; Thu, 25 Aug 2022 18:03:31 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id EAE1E940007 for ; Thu, 25 Aug 2022 18:03:30 -0400 (EDT) Received: from smtpin17.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 9D5F6A0111 for ; Thu, 25 Aug 2022 22:03:30 +0000 (UTC) X-FDA: 79839492180.17.4C729FD Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by imf26.hostedemail.com (Postfix) with ESMTP id 254F914000C for ; Thu, 25 Aug 2022 22:03:30 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 389E1B82EB8 for ; Thu, 25 Aug 2022 22:03:28 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 938A6C433C1; Thu, 25 Aug 2022 22:03:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1661465006; bh=qqj1sPuIU2M5if+JbH3KWWswkdV/0dNUDeh0IvSKFtg=; h=From:To:Cc:Subject:Date:From; b=fsl6BuPVos27L0w8g+6EOItCVKILp9mDLjbYEWiXKpjPO+US7EgJrrgvD7M82zf+e yzgwyTgBaJYJ8VyOu14Fs2/mchkB0bYgblVjP1jpwPd0bA82CWAKYl8okkcyNhv0hs wdhtzlBMoNbJSTpd34G3zGz+1Oid0KIFlPAUNybcdekzx11Gxa9S4++7P7oUlTIxT5 oM2iio9FnF+NEJwPhANiOzEvNxBK5ZygJkM7Bvyx9rK4HldxCcTVhhHOVI0XXCdfI7 MrG85m38Lp/IfTj2/6/KDAc3lUow6xOcADZRTN/IInjPa3YG7TF84csTeIO1LZuqo7 zmtLmQL8iohzw== From: SeongJae Park To: damon@lists.linux.dev Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [Reminder] DAMON debugfs interface will be removed Date: Thu, 25 Aug 2022 22:03:19 +0000 Message-Id: <20220825220319.95226-1-sj@kernel.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit ARC-Authentication-Results: i=1; imf26.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=fsl6BuPV; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf26.hostedemail.com: domain of sj@kernel.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=sj@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1661465010; a=rsa-sha256; cv=none; b=TbFr8eUygTGGmPIux4hI1o5/+tpGuFUU4G6KyaB3ckgFrGDHxjb8MOgdg4vJJLmwfoUuFJ zQQEUoNHB08cg3A4mU0YzTWQSIvyFbbILDLbapW1z6gNbxZYFlCx/AMN21qScpVnTqUdUK 0OYDSp6G1FF0TVrIsY4BHoK6H8QRsjE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1661465010; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:references:dkim-signature; bh=MNH0LALqfI7Gym5rhkk2ioHLDeCYwAfSit24R5xvgZQ=; b=CN/dlyFr3OHeutOw30rtoM0Zkx656RHlo4zzxPr5PC0Sl+P+oTQsMidOb5KUMq6QOoZtr5 6+3JBF1ZlaNZ04Smyf/PlhW00BWHH5FoJ/xhGOGJI1ou7JzZI9iyUuRsQE8tMVTIDQJ3V3 3IFpB58pQTh5BhCPNTUtonysWvvY9Xo= X-Stat-Signature: 69m86uz4gw1f1686acmhweoakykxwcoh Authentication-Results: imf26.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=fsl6BuPV; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf26.hostedemail.com: domain of sj@kernel.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=sj@kernel.org X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 254F914000C X-Rspam-User: X-HE-Tag: 1661465009-365633 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: Hello, As announced before via the DAMON sysfs interface patchset[1] and also noted in the document[2], DAMON debugfs interface already in new-feature-frozen state and will be removed once next LTS kernel is released. As there could be some users who still depends on the debugfs interface and forgot about the announcement, I just wanted to remind. DAMON user-space tool, damo[3], has supported both interfaces since the introduction of the sysfs interface and defaults to sysfs interface now, so the users of damo would have no problem. If you are still using the debugfs interface, you could refer to that to know how you could use sysfs instead. That said, there is no problem at extending the timeline if there is any critical user issue, of course. If you have such a critical issue, please let me know. [1] https://lore.kernel.org/all/20220228081314.5770-1-sj@kernel.org/ [2] https://docs.kernel.org/admin-guide/mm/damon/usage.html [3] https://github.com/awslabs/damo Thanks, SJ