Docs/ABI/damon: document obsolete_target sysfs file

Update DAMON ABI document for the newly added obsolete_target DAMON sysfs
file.

Link: https://lkml.kernel.org/r/20251023012535.69625-6-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Reviewed-by: Bijan Tabatabai <bijan311@gmail.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
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 dce6c2cda4e8cca7ab4217d90d91360139ecb11e..4fb8b7a6d625ae39643bef6c60ab2a285f59b6d0 100644 (file)
--- a/Documentation/ABI/testing/sysfs-kernel-mm-damon
+++ b/Documentation/ABI/testing/sysfs-kernel-mm-damon
@@ -164,6 +164,13 @@ Description:       Writing to and reading from this file sets and gets the pid of
                the target process if the context is for virtual address spaces
                monitoring, respectively.
 
+What:          /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/<T>/obsolete_target
+Date:          Oct 2025
+Contact:       SeongJae Park <sj@kernel.org>
+Description:   Writing to and reading from this file sets and gets the
+               obsoleteness of the matching parameters commit destination
+               target.
+
 What:          /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/<T>/regions/nr_regions
 Date:          Mar 2022
 Contact:       SeongJae Park <sj@kernel.org>