The patch titled
Subject: Docs/mm/damon/design: document 'young page' type DAMOS filter
has been added to the -mm mm-unstable branch. Its filename is
docs-mm-damon-design-document-young-page-type-damos-filter.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/docs-mm-damon-design-document-young-page-type-damos-filter.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: SeongJae Park <sj@xxxxxxxxxx>
Subject: Docs/mm/damon/design: document 'young page' type DAMOS filter
Date: Fri, 26 Apr 2024 12:52:44 -0700
Update DAMON design document for the newly added DAMOS filter type, 'young
page'.
Link: https://lkml.kernel.org/r/20240426195247.100306-6-sj@xxxxxxxxxx
Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
Cc: Honggyu Kim <honggyu.kim@xxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/mm/damon/design.rst | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
--- a/Documentation/mm/damon/design.rst~docs-mm-damon-design-document-young-page-type-damos-filter
+++ a/Documentation/mm/damon/design.rst
@@ -461,15 +461,17 @@ number of filters for each scheme. Each
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
_
Patches currently in -mm which might be from sj@xxxxxxxxxx are
mm-damon-paddr-implement-damon_folio_young.patch
mm-damon-paddr-implement-damon_folio_mkold.patch
mm-damon-add-damos-filter-type-young.patch
mm-damon-paddr-implement-damos-filter-type-young.patch
docs-mm-damon-design-document-young-page-type-damos-filter.patch
docs-admin-guide-mm-damon-usage-update-for-young-page-type-damos-filter.patch
docs-abi-damon-update-for-youg-page-type-damos-filter.patch
