From: SeongJae Park <sj@kernel.org>
Cc: SeongJae Park <sj@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Jonathan Corbet <corbet@lwn.net>,
damon@lists.linux.dev, kernel-team@meta.com,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Subject: [RFC PATCH 11/11] Docs/mm/damon/design: document DAMOS_QUOTA_NODE_MEMCG_FREE_BP
Date: Thu, 19 Jun 2025 15:00:23 -0700 [thread overview]
Message-ID: <20250619220023.24023-12-sj@kernel.org> (raw)
In-Reply-To: <20250619220023.24023-1-sj@kernel.org>
Signed-off-by: SeongJae Park <sj@kernel.org>
---
Documentation/mm/damon/design.rst | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/design.rst
index eb6d3b7d0643..6e1f772006d9 100644
--- a/Documentation/mm/damon/design.rst
+++ b/Documentation/mm/damon/design.rst
@@ -571,15 +571,16 @@ mechanism tries to make ``current_value`` of ``target_metric`` be same to
- ``node_mem_used_bp``: Specific NUMA node's used memory ratio in bp (1/10,000).
- ``node_mem_free_bp``: Specific NUMA node's free memory ratio in bp (1/10,000).
- ``node_memcg_used_bp``: Specific cgroup's node used memory ratio for a
+- ``node_memcg_free_bp``: Specific cgroup's node unused memory ratio for a
specific NUMA node, in bp (1/10,000).
``nid`` is optionally required for only ``node_mem_used_bp``,
-``node_mem_free_bp`` and ``node_memcg_used_bp`` to point the specific NUMA
-node.
+``node_mem_free_bp``, ``node_memcg_used_bp`` and ``node_memcg_free_bp`` to
+point the specific NUMA node.
-``path`` is optionally required for only ``node_memcg_used_bp`` to point the
-path to the cgroup. The value should be the path of the memory cgroup from the
-cgroups mount point.
+``path`` is optionally required for only ``node_memcg_used_bp`` and
+``node_memcg_free_bp`` to point the path to the cgroup. The value should be
+the path of the memory cgroup from the cgroups mount point.
To know how user-space can set the tuning goal metric, the target value, and/or
the current value via :ref:`DAMON sysfs interface <sysfs_interface>`, refer to
--
2.39.5
prev parent reply other threads:[~2025-06-19 22:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-19 22:00 [RFC PATCH 00/11] mm/damon: allow DAMOS auto-tuned for per-memcg per-node memory usage SeongJae Park
2025-06-19 22:00 ` [RFC PATCH 06/11] Docs/mm/damon/design: document DAMOS_QUOTA_NODE_MEMCG_USED_BP SeongJae Park
2025-06-19 22:00 ` [RFC PATCH 07/11] Docs/admin-guide/mm/damon/usage: document DAMOS quota goal path file SeongJae Park
2025-06-19 22:00 ` SeongJae Park [this message]
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