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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 663A7F55805 for ; Tue, 21 Apr 2026 04:49:50 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 53FD36B0089; Tue, 21 Apr 2026 00:49:49 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 517936B0092; Tue, 21 Apr 2026 00:49:49 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 318596B0089; Tue, 21 Apr 2026 00:49:49 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 1DB2F6B0089 for ; Tue, 21 Apr 2026 00:49:49 -0400 (EDT) Received: from smtpin02.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id DB7DC1B9314 for ; Tue, 21 Apr 2026 04:49:48 +0000 (UTC) X-FDA: 84681335256.02.027DA18 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf23.hostedemail.com (Postfix) with ESMTP id 26993140003 for ; Tue, 21 Apr 2026 04:49:46 +0000 (UTC) Authentication-Results: imf23.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=VxAXPIWx; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf23.hostedemail.com: domain of sj@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=sj@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1776746987; a=rsa-sha256; cv=none; b=hUIhIogsXY9xMXU435gdFwOiMyxVNc6ILILl0AXEQTkP/Vh/lWSX0OFN1doe0YVi97pSj0 1yJOawc/J1PrGVXM93LjlIowU3XmQNj8lUye9giPiBBXAlQXkcS2pSF+xQDLJa4IEJ37VY W55+JXVjXROxvd4DJTxvA2SR8J5F9W0= ARC-Authentication-Results: i=1; imf23.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=VxAXPIWx; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf23.hostedemail.com: domain of sj@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=sj@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1776746987; 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:in-reply-to:references:references:dkim-signature; bh=DZQL6odvnw4ZiaXq0GZgdTdNqSn/DiFWhUuMB2N7TWg=; b=1NHmosBqdRXYofKPnYTJ/JNbCl/DaZw1EtLmUavZZY0u/r57YDQJi4SvJ4oror2qi6wOAV VtBP27nFROMVv6lL137DS5fBiPDQ49vmvwDbiRv500d303pw271zxWsVRPbFWVdnc7TzL9 JOvxx3F8PhVszf7hrqrRd7jRFoKWJDA= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id B347040DF7; Tue, 21 Apr 2026 04:49:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 19FB8C2BCB5; Tue, 21 Apr 2026 04:49:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776746985; bh=ka4gbLZs99fExMD1yc1xEuZ3x1da439G/UiyCjNMmiQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VxAXPIWxB31Jk6/Qmby4wm0jEL0HHoppbsPaygsvseRuCttTk7XJFZPTDRTfu/968 sVgGpFssrD5yjsRi1eEs/w2v4V+0904KUXmvohuEvax8kBK9jjs9+Q8IwWCa8iCbaz uyUHho97AL/Gs0H4FpKrOFHa9lQ13/tdcX2Lu8mTn5yl3EbU2s5PTj3yez608G8l4m U3m6/LootpFAl/x1f84gJgMI8L+y1dB60kzpCjHDMAsw/9XamrkvuqtQg/ZtN4pGG1 gUCE3ZK30H/owzyhL1i/hpPrMvow3RJBJ9Uls6iGb18KKEuxjDNlkjI8zZlpTu9ab4 vyrcMRQs2AZkw== From: SeongJae Park To: Cc: SeongJae Park , "Liam R. Howlett" , Andrew Morton , David Hildenbrand , Jonathan Corbet , Lorenzo Stoakes , Michal Hocko , Mike Rapoport , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , damon@lists.linux.dev, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH 1/2] Docs/admin-guide/mm/damon/usage: mark scheme filters sysfs dir as deprecated Date: Mon, 20 Apr 2026 21:49:26 -0700 Message-ID: <20260421044928.141388-2-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260421044928.141388-1-sj@kernel.org> References: <20260421044928.141388-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam10 X-Stat-Signature: qww3hdtfmwgjfiqrjretq8re9mhd9rkr X-Rspam-User: X-Rspamd-Queue-Id: 26993140003 X-HE-Tag: 1776746986-51627 X-HE-Meta: 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 cDv/ssEB yzUeDB/cGP+Ujjyk5f8SbyFdX5L4heH/qFfOdjl8wG0mZPXfTjCMiDg5nVOzLGWJ9nlxMlhqwL0A71iwHRxSSe0FD/fuVmtg1NXY4bkgL+KFWo1HCetWGKm3tsv7jj7c7MgWd6pzMjIuq+gQ95L6QLSWySu47iu2464zg4NFNcVgoLGttyzm92SDQ0eFWcONfRoF816jW4BpFERGoQ2fTUkhyS3z2m5RpJmv3WI2d4UQ7W5A= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: The alternatives of 'filters/' directory, namely 'core_filters/' and 'ops_filters/', can fully support all the features 'filters/' directory can do, and provide better user experience. Having 'filters/' directory is only confusing to users. Announce it as deprecated on the usage document. Signed-off-by: SeongJae Park --- Documentation/admin-guide/mm/damon/usage.rst | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst index d5548e460857c..918c14a8e852b 100644 --- a/Documentation/admin-guide/mm/damon/usage.rst +++ b/Documentation/admin-guide/mm/damon/usage.rst @@ -486,9 +486,10 @@ layers. Filters that requested by ``core_filters`` and ``ops_filters`` will be installed before those of ``filters``. All three directories have same files. Use of ``filters`` directory can make expecting evaluation orders of given -filters with the files under directory bit confusing. Users are hence -recommended to use ``core_filters`` and ``ops_filters`` directories. The -``filters`` directory could be deprecated in future. +filters with the files under directory bit confusing. For the reason, +``filters`` directory is deprecated. It is still functioning, but it will be +broken and eventually removed in near future. Users should use +``core_filters`` and ``ops_filters`` directories instead. In the beginning, the directory has only one file, ``nr_filters``. Writing a number (``N``) to the file creates the number of child directories named ``0`` -- 2.47.3