From: SeongJae Park <sj@kernel.org>
Date: Tue, 16 Dec 2025 08:01:16 +0000 (-0800)
Subject: Docs/mm/damon/design: update for nr_snapshots damos stat
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ee7f5d193358a6e8624a17cef78c508635f9b9b6;p=thirdparty%2Fkernel%2Flinux.git

Docs/mm/damon/design: update for nr_snapshots damos stat

Update DAMON design document for the newly added damos stat, nr_snapshots.

Link: https://lkml.kernel.org/r/20251216080128.42991-4-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>
---

diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/design.rst
index 2d8d8ca1e0a32..5cc7b7d662be8 100644
--- a/Documentation/mm/damon/design.rst
+++ b/Documentation/mm/damon/design.rst
@@ -718,6 +718,8 @@ scheme's execution.
 - ``nr_applied``: Total number of regions that the scheme is applied.
 - ``sz_applied``: Total size of regions that the scheme is applied.
 - ``qt_exceeds``: Total number of times the quota of the scheme has exceeded.
+- ``nr_snapshots``: Total number of DAMON snapshots that the scheme is tried to
+  be applied.
 
 "A scheme is tried to be applied to a region" means DAMOS core logic determined
 the region is eligible to apply the scheme's :ref:`action