Docs/mm/damon/design: document per-region sz_filter_passed stat

Update 'Regions Walking' section of design document for the newly added
per-region operations set handling DAMOS filters-passed bytes.

Link: https://lkml.kernel.org/r/20250106193401.109161-15-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/mm/damon/design.rst b/Documentation/mm/damon/design.rst
index 5707e2e0e4a4876a12897843cfc733f945a138b2..5ebb572d099960062702c4a92cca6f707230e6e0 100644 (file)
--- a/Documentation/mm/damon/design.rst
+++ b/Documentation/mm/damon/design.rst
@@ -587,7 +587,8 @@ Regions Walking
 
 DAMOS feature allowing users access each region that a DAMOS action has just
 applied.  Using this feature, DAMON :ref:`API <damon_design_api>` allows users
-access full properties of the regions including the access monitoring results.
+access full properties of the regions including the access monitoring results
+and amount of the region's internal memory that passed the DAMOS filters.
 :ref:`DAMON sysfs interface <sysfs_interface>` also allows users read the data
 via special :ref:`files <sysfs_schemes_tried_regions>`.