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| author | SeongJae Park <sj@kernel.org> | 2023-11-30 02:36:50 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-12-12 10:57:04 -0800 |
| commit | 3143a7bfd2a9852d63a2d88109cf5af49fcf4950 (patch) | |
| tree | 4fce7e5abc71a134947bcaa8793890041a1f26a2 /Documentation/mm | |
| parent | 3649caed1c9b7aa57049620c498596c17fc7af9e (diff) | |
| download | linux-3143a7bfd2a9852d63a2d88109cf5af49fcf4950.tar.gz | |
Docs/mm/damon/design: document DAMOS quota auto tuning
Document the DAMOS quota auto tuning feature on the design document.
Link: https://lkml.kernel.org/r/20231130023652.50284-8-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Brendan Higgins <brendanhiggins@google.com>
Cc: David Gow <davidgow@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'Documentation/mm')
| -rw-r--r-- | Documentation/mm/damon/design.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/design.rst index 1f7e0586b5faf..947c9df6cd33e 100644 --- a/Documentation/mm/damon/design.rst +++ b/Documentation/mm/damon/design.rst @@ -346,6 +346,17 @@ the weight will be respected are up to the underlying prioritization mechanism implementation. +Aim-oriented Feedback-driven Auto-tuning +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Automatic feedback-driven quota tuning. Instead of setting the absolute quota +value, users can repeatedly provide numbers representing how much of their goal +for the scheme is achieved as feedback. DAMOS then automatically tunes the +aggressiveness (the quota) of the corresponding scheme. For example, if DAMOS +is under achieving the goal, DAMOS automatically increases the quota. If DAMOS +is over achieving the goal, it decreases the quota. + + .. _damon_design_damos_watermarks: Watermarks |