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From: SeongJae Park <sj@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: SeongJae Park <sj@kernel.org>,
	"Liam R. Howlett" <Liam.Howlett@oracle.com>,
	David Hildenbrand <david@redhat.com>,
	Jonathan Corbet <corbet@lwn.net>,
	Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
	Michal Hocko <mhocko@suse.com>, Mike Rapoport <rppt@kernel.org>,
	Suren Baghdasaryan <surenb@google.com>,
	Vlastimil Babka <vbabka@suse.cz>,
	damon@lists.linux.dev, kernel-team@meta.com,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org
Subject: [PATCH v2 4/5] Docs/admin-guide/mm/damon/start: add --target_pid to DAMOS example command
Date: Mon, 15 Sep 2025 20:23:38 -0700	[thread overview]
Message-ID: <20250916032339.115817-5-sj@kernel.org> (raw)
In-Reply-To: <20250916032339.115817-1-sj@kernel.org>

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@kernel.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


  parent reply	other threads:[~2025-09-16  3:23 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-16  3:23 [PATCH v2 0/5] mm/damon: misc fixups and improvements for 6.18 SeongJae Park
2025-09-16  3:23 ` [PATCH v2 1/5] mm/damon/core: reset age if nr_accesses changes between non-zero and zero SeongJae Park
2025-09-16  3:23 ` [PATCH v2 2/5] mm/damon/core: set effective quota on first charge window SeongJae Park
2025-09-16  3:23 ` [PATCH v2 3/5] Docs/mm/damon/maintainer-profile: update community meetup for reservation requirements SeongJae Park
2025-09-16  3:23 ` SeongJae Park [this message]
2025-09-16  3:23 ` [PATCH v2 5/5] MAINTAINERS: rename DAMON section SeongJae Park

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