diff options
| author | SeongJae Park <sj@kernel.org> | 2025-02-18 14:37:08 -0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-03-16 22:06:24 -0700 |
| commit | edab6ffd792a7774e7d5fd7eb1d6251e452010f5 (patch) | |
| tree | 7d643aaaaf379f12204b23fb25927f9af2534892 /Documentation/mm | |
| parent | 4a4d8e792506432270e27516cf03a8208cbbec8b (diff) | |
Docs/mm/damon/design: categorize DAMOS filter types based on handling layer
On what DAMON layer a DAMOS filter is handled is important to expect in
what order filters will be evaluated. Re-organize the DAMOS filter types
list on the design doc to categorize types based on the handling layer, to
let users more easily understand the handling order.
Link: https://lkml.kernel.org/r/20250218223708.53437-6-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'Documentation/mm')
| -rw-r--r-- | Documentation/mm/damon/design.rst | 34 |
1 files changed, 15 insertions, 19 deletions
diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/design.rst index 8b9727d91434..6a66aa0833fd 100644 --- a/Documentation/mm/damon/design.rst +++ b/Documentation/mm/damon/design.rst @@ -602,25 +602,21 @@ filters-checking overhead. Below ``type`` of filters are currently supported. -- anon - - Applied to pages that containing data that not stored in files. - - Handled by operations set layer. Supported by only ``paddr`` set. -- memcg - - Applied to pages that belonging to a given cgroup. - - Handled by operations set layer. Supported by only ``paddr`` set. -- young - - Applied to pages that are accessed after the last access check from the - scheme. - - Handled by operations set layer. Supported by only ``paddr`` set. -- hugepage_size - - Applied to pages that managed in a given size range. - - Handled by operations set layer. Supported by only ``paddr`` set. -- addr - - Applied to pages that belonging to a given address range. - - Handled by the core logic. -- target - - Applied to pages that belonging to a given DAMON monitoring target. - - Handled by the core logic. +- Core layer handled + - addr + - Applied to pages that belonging to a given address range. + - target + - Applied to pages that belonging to a given DAMON monitoring target. +- Operations layer handled, supported by only ``paddr`` operations set. + - anon + - Applied to pages that containing data that not stored in files. + - memcg + - Applied to pages that belonging to a given cgroup. + - young + - Applied to pages that are accessed after the last access check from the + scheme. + - hugepage_size + - Applied to pages that managed in a given size range. To know how user-space can set the filters via :ref:`DAMON sysfs interface <sysfs_interface>`, refer to :ref:`filters <sysfs_filters>` part of the |