linux-kernel - [RFC PATCH 11/12] Docs/ABI/damon: update for max_nr

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20251123184329.85287-12-sj@kernel.org>
Date: Sun, 23 Nov 2025 10:43:25 -0800
From: SeongJae Park <sj@...nel.org>
To: 
Cc: SeongJae Park <sj@...nel.org>,
	damon@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: [RFC PATCH 11/12] Docs/ABI/damon: update for max_nr_snapshots

Update DAMON ABI document for the newly added DAMON sysfs interface
file, max_nr_snapshots.

Signed-off-by: SeongJae Park <sj@...nel.org>
---
 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 8ec469eb4471..4504a0f8b446 100644
--- a/Documentation/ABI/testing/sysfs-kernel-mm-damon
+++ b/Documentation/ABI/testing/sysfs-kernel-mm-damon
@@ -522,6 +522,13 @@ Contact:	SeongJae Park <sj@...nel.org>
 Description:	Reading this file returns the total number of DAMON snapshots
 		that the scheme has tried to be applied.
 
+What:		/sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/max_nr_snapshots
+Date:		Nov 2025
+Contact:	SeongJae Park <sj@...nel.org>
+Description:	Writing a number to this file sets the upper limit of
+		nr_snapshots that deactivates the scheme when the limit is
+		reached or exceeded.
+
 What:		/sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/total_bytes
 Date:		Jul 2023
 Contact:	SeongJae Park <sj@...nel.org>
-- 
2.47.3