Docs/admin-guide/mm/damon/usage: link damos stat design doc

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

Link: https://lkml.kernel.org/r/20250106193401.109161-4-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst
index d9be9f7caa7db1116a305bbe740fb5b81405e7f4..af70f72447008a8dd32673ae79bedbe2bca4289a 100644 (file)
--- 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 d0f3bd92ed1315c44187f4539569f776f06e44ed..8b8be42c64b9a4a4ddffab89f8c1e855cb4981d3 100644 (file)
--- 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
 ~~~~~~~~~~