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Docs/ABI/damon: document nid file

Add a description of 'nid' file, which is optionally used for specific
DAMOS quota goal metrics such as node_mem_{used,free}_bp on the DAMON
sysfs ABI document.

Link: https://lkml.kernel.org/r/20250420194030.75838-7-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Yunjeong Mun <yunjeong.mun@sk.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

authored by

SeongJae Park and committed by
Andrew Morton f77cb462 a7bb1e75

+6
+6
Documentation/ABI/testing/sysfs-kernel-mm-damon
··· 283 283 Description: Writing to and reading from this file sets and gets the current 284 284 value of the goal metric. 285 285 286 + What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/goals/<G>/nid 287 + Date: Apr 2025 288 + Contact: SeongJae Park <sj@kernel.org> 289 + Description: Writing to and reading from this file sets and gets the nid 290 + parameter of the goal. 291 + 286 292 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/weights/sz_permil 287 293 Date: Mar 2022 288 294 Contact: SeongJae Park <sj@kernel.org>