Docs/ABI/damon: document per-region DAMOS filter-passed bytes stat file

Document the new ABI for per-region operations set layer-handled DAMOS
filters passed bytes statistic.

Link: https://lkml.kernel.org/r/20250106193401.109161-17-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/ABI/testing/sysfs-kernel-mm-damon b/Documentation/ABI/testing/sysfs-kernel-mm-damon
index 19cde386fd15580bada6c9dfccfffc437e806ec5..8c0acb31638b096fb3fc3b2791b7f62386cef588 100644 (file)
--- a/Documentation/ABI/testing/sysfs-kernel-mm-damon
+++ b/Documentation/ABI/testing/sysfs-kernel-mm-damon
@@ -430,3 +430,10 @@ Contact:   SeongJae Park <sj@kernel.org>
 Description:   Reading this file returns the 'age' of a memory region that
                corresponding DAMON-based Operation Scheme's action has tried
                to be applied.
+
+What:          /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/sz_filter_passed
+Date:          Dec 2024
+Contact:       SeongJae Park <sj@kernel.org>
+Description:   Reading this file returns the size of the memory in the region
+               that passed DAMON operations layer-handled filters of the
+               scheme in bytes.