linux-kernel - [PATCH 5/6] Docs/admin-guide/mm/damon/start: add --target

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Message-Id: <20250915015807.101505-6-sj@kernel.org>
Date: Sun, 14 Sep 2025 18:58:06 -0700
From: SeongJae Park <sj@...nel.org>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: SeongJae Park <sj@...nel.org>,
	"Liam R. Howlett" <Liam.Howlett@...cle.com>,
	David Hildenbrand <david@...hat.com>,
	Jonathan Corbet <corbet@....net>,
	Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
	Michal Hocko <mhocko@...e.com>,
	Mike Rapoport <rppt@...nel.org>,
	Suren Baghdasaryan <surenb@...gle.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	damon@...ts.linux.dev,
	kernel-team@...a.com,
	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: [PATCH 5/6] Docs/admin-guide/mm/damon/start: add --target_pid to DAMOS example command

The example command doesn't work [1] on the latest DAMON user-space
tool, since --damos_action option is updated to receive multiple
arguments, and hence cannot know if the final argument is for deductible
monitoring target or an argument for --damos_action option.  Add
--target_pid option to let damo understand it is for target pid.

[1] https://github.com/damonitor/damo/pull/32

Signed-off-by: SeongJae Park <sj@...nel.org>
---
 Documentation/admin-guide/mm/damon/start.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/admin-guide/mm/damon/start.rst b/Documentation/admin-guide/mm/damon/start.rst
index ede14b679d02..ec8c34b2d32f 100644
--- a/Documentation/admin-guide/mm/damon/start.rst
+++ b/Documentation/admin-guide/mm/damon/start.rst
@@ -175,4 +175,4 @@ Below command makes every memory region of size >=4K that has not accessed for
 
     $ sudo damo start --damos_access_rate 0 0 --damos_sz_region 4K max \
                       --damos_age 60s max --damos_action pageout \
-                      <pid of your workload>
+                      --target_pid <pid of your workload>
-- 
2.39.5