From nobody Wed Dec 31 02:48:15 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 54F3AC4167B for ; Sun, 12 Nov 2023 19:46:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232597AbjKLTql (ORCPT ); Sun, 12 Nov 2023 14:46:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41356 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232201AbjKLTqU (ORCPT ); Sun, 12 Nov 2023 14:46:20 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C81BF1BFF for ; Sun, 12 Nov 2023 11:46:17 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2FC19C433C7; Sun, 12 Nov 2023 19:46:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1699818377; bh=eYWOuBaRm7gUBwsw8MKJnCTGV0ZszqASzlgqM1IUQmE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nYH0rlFsJBrDrANNHDdlzS61wIc8bZdp2hUgWOgsXWFKJCZ3KnMObjtCni4f0diDU g2Z4RT4NsvLxJILjF6kRSpebeBN+wmwGsk58Lo7CXP1WrEiSR2/Dq7VqVB6IBgpJGb F3Bj+xKTXSGqZK3VdTW/ILQW9PbdUvedatn13RqucpgrvVjXD6L+LPlOl1yyR9bBpW N3JNbYtPri7PhmBeUfaRkXqN1HPMpZVTSY4rrXAW/LFEJjVpkDBvYOXg1dTYa48TfP D5vOtEL2SFxCEtfCEhA1zNN/2mlo4BWYjCz8S2hcrEyCty/qC9MOg8mCmaFsRwY3qG TPdccTEqa+wWA== From: SeongJae Park Cc: SeongJae Park , Andrew Morton , Jonathan Corbet , damon@lists.linux.dev, linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH 7/8] Docs/mm/damon/design: Document DAMOS quota auto tuning Date: Sun, 12 Nov 2023 19:46:06 +0000 Message-Id: <20231112194607.61399-8-sj@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231112194607.61399-1-sj@kernel.org> References: <20231112194607.61399-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Document the DAMOS quota auto tuning feature on the design document. Signed-off-by: SeongJae Park --- Documentation/mm/damon/design.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/des= ign.rst index 1f7e0586b5fa..3e1b34f55bb8 100644 --- a/Documentation/mm/damon/design.rst +++ b/Documentation/mm/damon/design.rst @@ -346,6 +346,17 @@ the weight will be respected are up to the underlying = prioritization mechanism implementation. =20 =20 +.. _damon_design_damos_quotas_auto_tuning: + +Aim-oriented Feedback-driven Quotas Auto-tuning +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Automatic feedback-driven quota tuning. Instead of setting the absolute q= uota +value, users can provide feedback about how well DAMOS is achieving their = goal. +If the feedback says DAMOS is still not achieving the goal, DAMOS increase= s the +quota. If DAMOS is over-achieving the goal, DAMOS decreases the quota. + + .. _damon_design_damos_watermarks: =20 Watermarks --=20 2.34.1