Commit dcecf9e5 authored Dec 16, 2025 by SeongJae Park Committed by Andrew Morton Jan 20, 2026

Docs/ABI/damon: update for max_nr_snapshots

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

Link: https://lkml.kernel.org/r/20251216080128.42991-12-sj@kernel.org


Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

parent 2584dd74

Documentation/ABI/testing/sysfs-kernel-mm-damon

+7 −0

Original line number	Diff line number	Diff line
		@@ -522,6 +522,13 @@ Contact: SeongJae Park <sj@kernel.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: Dec 2025
		Contact: SeongJae Park <sj@kernel.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@kernel.org>