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 6323729B8D3; Fri, 1 May 2026 01:17:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777598271; cv=none; b=aBsmmdQkO+GnZdq0qfaRpGBgS24Zbu+xJursHzzdnfhXRnpm2vNq8DX+lv+XTBtGFBCfixy8PZM6mHw3IrqndUst49CIH5mvtbXwnqAp/2x6auBjMYfH1ltuheSpKuO1wnJDlZJeqfFDU8rGvNfyFa3w6lKfT8AMcQzaiNqWzjs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777598271; c=relaxed/simple; bh=FFZsipR5HDi6IaWQyWowYhDwh2V2W3Kfd/0jWX5YUQk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fE9fehzGxCLCimzqA8ZMY/lGtnHUSiQDG9dWl8ycUF/JdZyydQ6blMcMlIEFeoFHMVEhSb4BqDpE66Y/GhbqgSTSIV0FneODseUNvyGzQdY7fnvKlz9yPQTUVjnGfhURqQybLPbZJaPZ8UJyQXHc82t1ukSLRpQGsYksNugGsV4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MrITKq7l; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MrITKq7l" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 680D4C2BCB9; Fri, 1 May 2026 01:17:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777598271; bh=FFZsipR5HDi6IaWQyWowYhDwh2V2W3Kfd/0jWX5YUQk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MrITKq7lAL5RkvU47QDpv8ARuoAWk9lqcC9SkwgKOVLGwhQv5j7KVZiqil0SeEocz PvJhlDWl+kfXmc8WKAhkQNRVRsxn7vHmNQtuL2U4LLtLVG66CYXKOh5bkU7W+cMkS0 ymH+KGHB19vEfr7Ilz1R63PWHC/sScZZnal86WlxpK8UvW+cb1+6S8hwTUIro9TWrK xQbcQgFumw1G3nkix5nq+R410zB6gO2wpiRmwDzieP/4hFKVQwmkI7gLyyP/+3UFDa mEg+apQubBgU7rOg8nThCttU+b6I3WTtuVIDkR3ghUpnN6DmFa1uJMvETXXC7zCNNE QSGjiKCTrqjWA== 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 2/2] Docs/admin-guide/mm/damon/reclaim: update for autotune_monitoring_intervals Date: Thu, 30 Apr 2026 18:17:39 -0700 Message-ID: <20260501011740.81988-3-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260501011740.81988-1-sj@kernel.org> References: <20260501011740.81988-1-sj@kernel.org> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Update DAMON_RECLAIM usage document for the newly added monitoring intervals auto-tuning enablement parameter. Signed-off-by: SeongJae Park --- Documentation/admin-guide/mm/damon/reclaim.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/admin-guide/mm/damon/reclaim.rst b/Documentation/admin-guide/mm/damon/reclaim.rst index 57ab8b1876506..ec7e3e32b4ac6 100644 --- a/Documentation/admin-guide/mm/damon/reclaim.rst +++ b/Documentation/admin-guide/mm/damon/reclaim.rst @@ -85,6 +85,17 @@ identifies the region as cold, and reclaims it. 120 seconds by default. +autotune_monitoring_intervals +----------------------------- + +If this parameter is set as ``Y``, DAMON_RECLAIM automatically tunes DAMON's +sampling and aggregation intervals. The auto-tuning aims to capture meaningful +amount of access events in each DAMON-snapshot, while keeping the sampling +interval 5 milliseconds in minimum, and 10 seconds in maximum. Setting this as +``N`` disables the auto-tuning. + +Disabled by default. + quota_ms -------- -- 2.47.3