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 d9be9f7..af70f72 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 d0f3bd9..8b8be42 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
 ~~~~~~~~~~