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mm/damon/sysfs-schemes: add target_nid on sysfs-schemes

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This patch adds target_nid under
  /sys/kernel/mm/damon/admin/kdamonds/<N>/contexts/<N>/schemes/<N>/

The 'target_nid' can be used as the destination node for DAMOS actions
such as DAMOS_MIGRATE_{HOT,COLD} in the follow up patches.

[sj@kernel.org: document target_nid file]
  Link: https://lkml.kernel.org/r/20240618213630.84846-3-sj@kernel.org
Link: https://lkml.kernel.org/r/20240614030010.751-4-honggyu.kim@sk.com
Signed-off-by: Hyeongtak Ji <hyeongtak.ji@sk.com>
Signed-off-by: Honggyu Kim <honggyu.kim@sk.com>
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Gregory Price <gregory.price@memverge.com>
Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Rakie Kim <rakie.kim@sk.com>
Cc: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Hyeongtak Ji
2024-06-14 12:00:05 +09:00
committed by Andrew Morton
parent 8f75267d22
commit e36287c6e1
7 changed files with 57 additions and 6 deletions
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6
Documentation/ABI/testing/sysfs-kernel-mm-damon
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@@ -155,6 +155,12 @@ Contact: SeongJae Park <sj@kernel.org>
Description: Writing to and reading from this file sets and gets the action
of the scheme.
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/target_nid
Date: Jun 2024
Contact: SeongJae Park <sj@kernel.org>
Description: Action's target NUMA node id. Supported by only relevant
actions.
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/apply_interval_us
Date: Sep 2023
Contact: SeongJae Park <sj@kernel.org>