[RFC PATCH 04/18] Docs/admin-guide/mm/damon/usage: link damos stat design doc

[SeongJae Park <sj@kernel.org>]

DAMON sysfs usage document should focus on usage, rather than the detail
of the stat metric itself.  Add a link to the design document on usage
section for DAMOS stat.

Signed-off-by: SeongJae Park <sj@kernel.org>
---
 Documentation/admin-guide/mm/damon/usage.rst | 3 ++-
 Documentation/mm/damon/design.rst            | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst
index d9be9f7caa7d..af70f7244700 100644
--- a/Documentation/admin-guide/mm/damon/usage.rst
+++ b/Documentation/admin-guide/mm/damon/usage.rst
@@ -457,7 +457,8 @@ schemes/<N>/stats/
 DAMON counts the total number and bytes of regions that each scheme is tried to
 be applied, the two numbers for the regions that each scheme is successfully
 applied, and the total number of the quota limit exceeds.  This statistics can
-be used for online analysis or tuning of the schemes.
+be used for online analysis or tuning of the schemes.  Refer to :ref:`design
+doc <damon_design_damos_stat>` for more details about the stats.
 
 The statistics can be retrieved by reading the files under ``stats`` directory
 (``nr_tried``, ``sz_tried``, ``nr_applied``, ``sz_applied``, and
diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/design.rst
index 8710fa71ad71..e2666124e382 100644
--- a/Documentation/mm/damon/design.rst
+++ b/Documentation/mm/damon/design.rst
@@ -539,6 +539,8 @@ To know how user-space can set the watermarks via :ref:`DAMON sysfs interface
 <sysfs_interface>`, refer to :ref:`filters <sysfs_filters>` part of the
 documentation.
 
+.. _damon_design_damos_stat:
+
 Statistics
 ~~~~~~~~~~
 
-- 
2.39.5