diff options
| author | SeongJae Park <sj@kernel.org> | 2024-04-26 12:52:44 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-05-05 17:53:55 -0700 |
| commit | 26dd7cc7bb90f12f674f1bf55883de2c216fc119 (patch) | |
| tree | 12fcf00ab0595b9907900bf42f36b6fdf9e27ac2 /Documentation/mm | |
| parent | ade414bdf6aeb039991cb04bbafb42385960db60 (diff) | |
Docs/mm/damon/design: document 'young page' type DAMOS filter
Update DAMON design document for the newly added DAMOS filter type, 'young
page'.
Link: https://lkml.kernel.org/r/20240426195247.100306-6-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Honggyu Kim <honggyu.kim@sk.com>
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 | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/design.rst index 5620aab9b385..f2baf617184d 100644 --- a/Documentation/mm/damon/design.rst +++ b/Documentation/mm/damon/design.rst @@ -461,15 +461,17 @@ number of filters for each scheme. Each filter specifies the type of target memory, and whether it should exclude the memory of the type (filter-out), or all except the memory of the type (filter-in). -Currently, anonymous page, memory cgroup, address range, and DAMON monitoring -target type filters are supported by the feature. Some filter target types -require additional arguments. The memory cgroup filter type asks users to -specify the file path of the memory cgroup for the filter. The address range -type asks the start and end addresses of the range. The DAMON monitoring -target type asks the index of the target from the context's monitoring targets -list. Hence, users can apply specific schemes to only anonymous pages, -non-anonymous pages, pages of specific cgroups, all pages excluding those of -specific cgroups, pages in specific address range, pages in specific DAMON +Currently, anonymous page, memory cgroup, young page, address range, and DAMON +monitoring target type filters are supported by the feature. Some filter +target types require additional arguments. The memory cgroup filter type asks +users to specify the file path of the memory cgroup for the filter. The +address range type asks the start and end addresses of the range. The DAMON +monitoring target type asks the index of the target from the context's +monitoring targets list. Hence, users can apply specific schemes to only +anonymous pages, non-anonymous pages, pages of specific cgroups, all pages +excluding those of specific cgroups, pages that not accessed after the last +access check from the scheme, pages that accessed after the last access check +from the scheme, pages in specific address range, pages in specific DAMON monitoring targets, and any combination of those. To handle filters efficiently, the address range and DAMON monitoring target |