From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,corbet@lwn.net,sj@kernel.org,akpm@linux-foundation.org
Subject: + docs-mm-damon-design-categorize-damos-filter-types-based-on-handling-layer.patch added to mm-unstable branch
Date: Tue, 18 Feb 2025 15:38:24 -0800 [thread overview]
Message-ID: <20250218233824.C9C59C4CEE7@smtp.kernel.org> (raw)
The patch titled
Subject: Docs/mm/damon/design: categorize DAMOS filter types based on handling layer
has been added to the -mm mm-unstable branch. Its filename is
docs-mm-damon-design-categorize-damos-filter-types-based-on-handling-layer.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-categorize-damos-filter-types-based-on-handling-layer.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@kernel.org>
Subject: Docs/mm/damon/design: categorize DAMOS filter types based on handling layer
Date: Tue, 18 Feb 2025 14:37:08 -0800
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>
---
Documentation/mm/damon/design.rst | 34 ++++++++++++----------------
1 file changed, 15 insertions(+), 19 deletions(-)
--- a/Documentation/mm/damon/design.rst~docs-mm-damon-design-categorize-damos-filter-types-based-on-handling-layer
+++ a/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
_
Patches currently in -mm which might be from sj@kernel.org are
selftests-damon-damos_quota_goal-handle-minimum-quota-that-cannot-be-further-reduced.patch
mm-madvise-split-out-mmap-locking-operations-for-madvise.patch
mm-madvise-split-out-madvise-input-validity-check.patch
mm-madvise-split-out-madvise-behavior-execution.patch
mm-madvise-remove-redundant-mmap_lock-operations-from-process_madvise.patch
mm-damon-avoid-applying-damos-action-to-same-entity-multiple-times.patch
mm-damon-core-unset-damos-walk_completed-after-confimed-set.patch
mm-damon-core-do-not-call-damos_walk_control-walk-if-walk-is-completed.patch
mm-damon-core-do-damos-walking-in-entire-regions-granularity.patch
docs-mm-damon-design-fix-typo-on-damos-filters-usage-doc-link.patch
docs-mm-damon-design-document-hugepage_size-filter.patch
docs-damon-move-damos-filter-type-names-and-meaning-to-design-doc.patch
docs-mm-damon-design-clarify-handling-layer-based-filters-evaluation-sequence.patch
docs-mm-damon-design-categorize-damos-filter-types-based-on-handling-layer.patch
reply other threads:[~2025-02-18 23:38 UTC|newest]
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