Commit b9dfe8af authored by SeongJae Park's avatar SeongJae Park Committed by Andrew Morton
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Docs/ABI/damon: document schemes dests directory 

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: default avatarSeongJae 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: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 9106d467

Documentation/ABI/testing/sysfs-kernel-mm-damon

+22 −0
Original line number Diff line number Diff line
@@ -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

		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

Date:		Mar 2022

Contact:	SeongJae Park <sj@kernel.org>