[RFC 8/8] Docs/ABI/damon: update for DAMOS apply intervals

[SeongJae Park]

Update DAMON ABI document for the newly added DAMON sysfs file for DAMOS
apply intervals (apply_interval_us file).

Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
---
 Documentation/ABI/testing/sysfs-kernel-mm-damon | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-damon b/Documentation/ABI/testing/sysfs-kernel-mm-damon
index 420b30f09cf0..b35649a46a2f 100644
--- a/Documentation/ABI/testing/sysfs-kernel-mm-damon
+++ b/Documentation/ABI/testing/sysfs-kernel-mm-damon
@@ -151,6 +151,13 @@ Contact:	SeongJae Park <sj@xxxxxxxxxx>
 Description:	Writing to and reading from this file sets and gets the action
 		of the scheme.
 
+What:		/sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/apply_interval_us
+Date:		Sep 2023
+Contact:	SeongJae Park <sj@xxxxxxxxxx>
+Description:	Writing a value to this file sets the action apply interval of
+		the scheme in microseconds.  Reading this file returns the
+		value.
+
 What:		/sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/sz/min
 Date:		Mar 2022
 Contact:	SeongJae Park <sj@xxxxxxxxxx>
-- 
2.25.1