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Message-Id: <20250628165144.55528-12-sj@kernel.org>
Date: Sat, 28 Jun 2025 09:51:44 -0700
From: SeongJae Park <sj@...nel.org>
To:
Cc: SeongJae Park <sj@...nel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Jonathan Corbet <corbet@....net>,
damon@...ts.linux.dev,
kernel-team@...a.com,
linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-mm@...ck.org
Subject: [RFC PATCH 11/11] Docs/admin-guide/mm/damon/lru_sort: document intervals autotuning
Document a newly added DAMON_LRU_SORT module parameter for using
monitoring intervals auto-tuning feature of DAMON.
Signed-off-by: SeongJae Park <sj@...nel.org>
---
Documentation/admin-guide/mm/damon/lru_sort.rst | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/Documentation/admin-guide/mm/damon/lru_sort.rst b/Documentation/admin-guide/mm/damon/lru_sort.rst
index ca4e071b3159..f9dfa8255dda 100644
--- a/Documentation/admin-guide/mm/damon/lru_sort.rst
+++ b/Documentation/admin-guide/mm/damon/lru_sort.rst
@@ -91,6 +91,17 @@ increases and decreases the effective level of the quota aiming the LRU
Disabled by default.
+Auto-tune monitoring intervals
+------------------------------
+
+If this parameter is set as ``Y``, DAMON_LRU_SORT automatically tune 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 minimu, and 10 seconds in maximum. Setting this as
+``Y`` disables the auto-tuning.
+
+Disabled by default.
+
filter_young_pages
------------------
--
2.39.5
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