From: SeongJae Park <sj@kernel.org>
Date: Sat, 2 May 2026 02:05:04 +0000 (-0700)
Subject: Docs/admin-guide/mm/damon/stat: document kdamond_pid parameter
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=f27d56b4f2aa0ffeda7113df3443448bc907acaf;p=thirdparty%2Flinux.git

Docs/admin-guide/mm/damon/stat: document kdamond_pid parameter

Update DAMON_STAT usage document for newly added kdamond_pid parameter.

Link: https://lore.kernel.org/20260502020505.80822-3-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/Documentation/admin-guide/mm/damon/stat.rst b/Documentation/admin-guide/mm/damon/stat.rst
index c4b14daeb2dd..46c5dd96aa2e 100644
--- a/Documentation/admin-guide/mm/damon/stat.rst
+++ b/Documentation/admin-guide/mm/damon/stat.rst
@@ -89,3 +89,10 @@ percentiles of the idle time values via this read-only parameter.  Reading the
 parameter returns 101 idle time values in milliseconds, separated by comma.
 Each value represents 0-th, 1st, 2nd, 3rd, ..., 99th and 100th percentile idle
 times.
+
+kdamond_pid
+-----------
+
+PID of the DAMON thread.
+
+If DAMON_STAT is enabled, this becomes the PID of the worker thread.  Else, -1.