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SeongJae Park f1d13cacab mm/damon/sysfs: implement DAMOS tried regions update command

Implement the code for filling the data of 'tried_regions' DAMON sysfs
directory.  With this commit, DAMON sysfs interface users can write a
special keyword, 'update_schemes_tried_regions' to the corresponding
'state' file of the kdamond.  Then, DAMON sysfs interface will collect the
tried regions information using the 'before_damos_apply()' callback for
one aggregation interval and populate scheme region directories with the
values.

[sj@kernel.org: skip tried regions update if the scheme directory was removed]
  Link: https://lkml.kernel.org/r/20221114182954.4745-2-sj@kernel.org
Link: https://lkml.kernel.org/r/20221101220328.95765-5-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

2022-11-30 15:58:44 -08:00

core-test.h

mm/damon/core-test: test damon_set_regions

2022-10-03 14:03:06 -07:00

core.c

mm/damon/core: add a callback for scheme target regions check

2022-11-30 15:58:43 -08:00

dbgfs-test.h

mm/damon/dbgfs-test: fix is_target_id() change

2022-03-22 15:57:12 -07:00

dbgfs.c

mm/damon/dbgfs: check if rm_contexts input is for a real context