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 AFD2B2FD1CA; Tue, 14 Apr 2026 04:52:59 +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=1776142379; cv=none; b=kRp5GDgLyvtRK190yv/O0UlfDO8fhCE/Hd5Ja6gxiH9r1g20/P1fKFvgzfzLMAmW5coREt+it4MCdIYUm+V/xZcFjFy2fTl/y25L6eiHjE11F24BYaWnMeqng3cXk0ly/tgY4chDxixUEicojV3TUeEU1QyLWA1rvfoyVT2sdjQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776142379; c=relaxed/simple; bh=BfEEDyBrJIkd6+k5rVK7zBS2eb2FwO/Rw5l0AYJHr24=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JzYzKCX7SF5gmcE1ewGaU0U03vQ4v09PjhBPaJi+ULTeYbUFwNjL8ZSmAe+YHIPnw00FH54y7F9kkbNA3RgG0fJsKzUSi/7TD0rOF+SAwtz+GrK8SvZMlgyxx2qRKkllxtS12wdqG+OOWWDKatJSTsItepvOhklPMkuUyX7q5PM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=V5JKgRLR; 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="V5JKgRLR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 13F5BC19425; Tue, 14 Apr 2026 04:52:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776142379; bh=BfEEDyBrJIkd6+k5rVK7zBS2eb2FwO/Rw5l0AYJHr24=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=V5JKgRLRaK3TD/B3m5VhTQVcUENur1AMCIFZLkTVFmPS3sDwrdzLFRGQaEUFr4Umg 2dWFhSKCobfoSt1PEVryBL9RbBKWAFpcHjfU5uNI5jm85OyDj42RDOhbYjkJ3fplr7 iLbmb9phIs3VYY039eGwFOUYb53+JCLF06JToEf6Q1bwhw8XjfvQKZYGqJxo7ocCJY qIdTxinBXRflpf+dAE4FG06nab3iXavRwuZz4qZpA+MhIbrIyL8ZLDZpV3Uy1m07i9 da4a+J9BRroAPQYrUicrAHjAYL7ffsEu8BBVkixKWf6Lz9h/wOpn/mhgAtYrLPbgB0 jXbP4R7oA/nSw== 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 2/2] Docs/admin-guide/mm/damon/reclaim: update for autotune_monitoring_intervals Date: Mon, 13 Apr 2026 21:52:51 -0700 Message-ID: <20260414045253.88529-3-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260414045253.88529-1-sj@kernel.org> References: <20260414045253.88529-1-sj@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@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 01a34c215b66f..b14a065586271 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