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 1971F1094478 for ; Sat, 21 Mar 2026 18:14:03 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 38DC76B0112; Sat, 21 Mar 2026 14:13:57 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 297AD6B0114; Sat, 21 Mar 2026 14:13:57 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 187D76B0113; Sat, 21 Mar 2026 14:13:57 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id F37D36B0111 for ; Sat, 21 Mar 2026 14:13:56 -0400 (EDT) Received: from smtpin19.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id AEED71E2FF for ; Sat, 21 Mar 2026 18:13:56 +0000 (UTC) X-FDA: 84570868872.19.DDB0437 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf26.hostedemail.com (Postfix) with ESMTP id 081A914000D for ; Sat, 21 Mar 2026 18:13:54 +0000 (UTC) Authentication-Results: imf26.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=eLNV3slL; spf=pass (imf26.hostedemail.com: domain of sj@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1774116835; 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=gIFJcc/U/FGZ+jTSwAe0YId8k5d0mbeypzHr/bajX3E=; b=PHQD7/FQW4CEHjcGJrE2V+h0td76z7x8YqhWBFaGDc/VNPEjo4Ctx+cQdMDnZtzgAmD1Uz S4RsKnuTDECbf2tKPJDEUj6hJAysc5wp6qof8LfjouBIx8J8Lx2r8ilJpZF2G1QIOuHsui ROWLKe9ZHDNu2zFQSA1u9De+PoC5pzI= ARC-Authentication-Results: i=1; imf26.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=eLNV3slL; spf=pass (imf26.hostedemail.com: domain of sj@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1774116835; a=rsa-sha256; cv=none; b=WqF1uv5pyQU1di+hghxKqHaILls+wFfFHAx2LRj3Awt88D/fDNVtXN9HZIYSopddiMIlQJ tjZbbPR6i4zMw5ZA1DBcjzylgln7yZJGrwswjgl3PkmTJxpO1CLcKKtkHBP8hzigXOewyF miPS5y2/eB2NKPX0d4P/+ZLn5FuPAYU= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id D804E40B75; Sat, 21 Mar 2026 18:13:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7DEB1C2BCAF; Sat, 21 Mar 2026 18:13:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774116833; bh=qt20gza/ZGfZPnGlsbY2CkGg3eBlVlFouLw/z7b3qI8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eLNV3slLgvet31x6TAf1yaL6xK7vDqZMrt7HDDWXeHWUvLdUEwA2lM2Vx1xM23V5K x/SovoUrbEEIzKL0gMYMb6k8zSXpnCmVqbuzFf+E7FQ0+uW2Z8ekdYF8XHjSIYhu3y rOqQ3NjyyIKfoGeizMNE8aZ8S8Vmk9sN/Y5+7T6k8BuDmls5fc3JAHNzTFm1S/Raap fOUSk3DeHGX0n0JH/1Vfu9RG/gIxXrL05fpDPs6SQCftB8qqk7NkmCIE5nIq+V7A7D uOnOWaNVGl18Z2Ro47DiTelLmvCwxb+YAwu12z6x6vDeSfjpJlbN5BAp500KuOKSKe Ce1bqpc5b/eaw== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , "Liam R. Howlett" , 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: [PATCH 03/10] Docs/mm/damon/design: update for context pause/resume feature Date: Sat, 21 Mar 2026 11:13:33 -0700 Message-ID: <20260321181343.93971-4-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260321181343.93971-1-sj@kernel.org> References: <20260321181343.93971-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 081A914000D X-Stat-Signature: 5wapbcnesc3jawpz4dcczktrwajm4u3o X-Rspam-User: X-Rspamd-Server: rspam05 X-HE-Tag: 1774116834-547872 X-HE-Meta: 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 sIo8S0Vo 4SGVOkq3YBiwPfz+d4NVzWqzp7tvpYgG7kx4xFNWbyPN6P0nfGnq9RBs0MCWgVtpeiZHlhIqMGPyT9xBBZpFtxaNsk5tw/8ASmScwXXC340DuOV5KmuflBKXHTjr+51vBCEqGmOB7koj52mztE28QKj8kf+XyDUb2MTllkdKKElMeIq34QLsBhg70nuh1j9NV5AVL1BcCS9t5ih2KY3CmANcx+dV3YmC8QQhsJLAYZOdj1tQ= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Update DAMON design document for the context execution pause/resume feature. Signed-off-by: SeongJae Park --- Documentation/mm/damon/design.rst | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/design.rst index afc7d52bda2f7..510ec6375178d 100644 --- a/Documentation/mm/damon/design.rst +++ b/Documentation/mm/damon/design.rst @@ -19,6 +19,13 @@ types of monitoring. To know how user-space can do the configurations and start/stop DAMON, refer to :ref:`DAMON sysfs interface ` documentation. +Users can also request each context execution to be paused and resumed. When +it is paused, the kdamond does nothing other than applying online parameter +update. + +To know how user-space can pause/resume each context, refer to :ref:`DAMON +sysfs context ` usage documentation. + Overall Architecture ==================== -- 2.47.3