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Docs/ABI/damon: document schemes dests directory

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Document the new DAMOS action destinations sysfs directories on ABI doc.

Link: https://lkml.kernel.org/r/20250709005952.17776-6-bijan311@gmail.com
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Bijan Tabatabai <bijantabatab@micron.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Ravi Shankar Jonnalagadda <ravis.opensrc@micron.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
SeongJae Park
2025-07-08 19:59:35 -05:00
committed by Andrew Morton
parent 9106d46753
commit b9dfe8af51
1 changed files with 22 additions and 0 deletions
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Documentation/ABI/testing/sysfs-kernel-mm-damon
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@@ -431,6 +431,28 @@ Description: Directory for DAMON operations set layer-handled DAMOS filters.
/sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters
directory. directory.
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/dests/nr_dests
Date: Jul 2025
Contact: SeongJae Park <sj@kernel.org>
Description: Writing a number 'N' to this file creates the number of
directories for setting action destinations of the scheme named
'0' to 'N-1' under the dests/ directory.
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/dests/<D>/id
Date: Jul 2025
Contact: SeongJae Park <sj@kernel.org>
Description: Writing to and reading from this file sets and gets the id of
the DAMOS action destination. For DAMOS_MIGRATE_{HOT,COLD}
actions, the destination node's node id can be written and
read.
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/dests/<D>/weight
Date: Jul 2025
Contact: SeongJae Park <sj@kernel.org>
Description: Writing to and reading from this file sets and gets the weight
of the DAMOS action destination to select as the destination of
each action among the destinations.
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/nr_tried What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/nr_tried
Date: Mar 2022 Date: Mar 2022
Contact: SeongJae Park <sj@kernel.org> Contact: SeongJae Park <sj@kernel.org>