Docs/ABI/damon: document quota goal metric file

Update DAMON ABI document for the quota goal target_metric file.

Link: https://lkml.kernel.org/r/20240219194431.159606-17-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
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 a1e4fdb04f951ec6d52b4f189be406fb4a7bab73..dad4d5ffd78656bdd1840677c0a9ce89a08b732d 100644 (file)
--- a/Documentation/ABI/testing/sysfs-kernel-mm-damon
+++ b/Documentation/ABI/testing/sysfs-kernel-mm-damon
@@ -229,6 +229,12 @@ Description:       Writing a number 'N' to this file creates the number of
                directories for setting automatic tuning of the scheme's
                aggressiveness named '0' to 'N-1' under the goals/ directory.
 
+What:          /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/goals/<G>/target_metric
+Date:          Feb 2024
+Contact:       SeongJae Park <sj@kernel.org>
+Description:   Writing to and reading from this file sets and gets the quota
+               auto-tuning goal metric.
+
 What:          /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/goals/<G>/target_value
 Date:          Nov 2023
 Contact:       SeongJae Park <sj@kernel.org>