This patch adds damon description for "migrate_hot" and "migrate_cold"
actions for both usage and design documents as long as a new
"target_nid" knob to set the migration target node.
Signed-off-by: Honggyu Kim <honggyu.kim@xxxxxx>
---
Documentation/admin-guide/mm/damon/usage.rst | 4 ++++
Documentation/mm/damon/design.rst | 4 ++++
2 files changed, 8 insertions(+)
diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst
index e58ceb89ea2a..98804e34448b 100644
--- a/Documentation/admin-guide/mm/damon/usage.rst
+++ b/Documentation/admin-guide/mm/damon/usage.rst
@@ -300,6 +300,10 @@ from the file and their meaning are same to those of the list on
The ``apply_interval_us`` file is for setting and getting the scheme's
:ref:`apply_interval <damon_design_damos>` in microseconds.
+The ``target_nid`` file is for setting the migration target node, which is
+only meaningful when the ``action`` is either ``migrate_hot`` or
+``migrate_cold``.
+
.. _sysfs_access_pattern:
schemes/<N>/access_pattern/
diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/design.rst
index 3df387249937..3f12c884eb3a 100644
--- a/Documentation/mm/damon/design.rst
+++ b/Documentation/mm/damon/design.rst
@@ -325,6 +325,10 @@ that supports each action are as below.
Supported by ``paddr`` operations set.
- ``lru_deprio``: Deprioritize the region on its LRU lists.
Supported by ``paddr`` operations set.
+ - ``migrate_hot``: Migrate the regions prioritizing warmer regions.
+ Supported by ``paddr`` operations set.
+ - ``migrate_cold``: Migrate the regions prioritizing colder regions.
+ Supported by ``paddr`` operations set.
- ``stat``: Do nothing but count the statistics.
Supported by all operations sets.
--
2.34.1
