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-rewrite-configurable-layers.patch added to mm-unstable branch
Date: Thu, 25 May 2023 14:50:17 -0700 [thread overview]
Message-ID: <20230525215017.BAAAAC433D2@smtp.kernel.org> (raw)
The patch titled
Subject: Docs/mm/damon/design: rewrite configurable layers
has been added to the -mm mm-unstable branch. Its filename is
docs-mm-damon-design-rewrite-configurable-layers.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-rewrite-configurable-layers.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: rewrite configurable layers
Date: Thu, 25 May 2023 21:43:09 +0000
The 'Configurable Operations Set' section is a little bit outdated.
Update the text.
Link: https://lkml.kernel.org/r/20230525214314.5204-6-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 | 27 +++++++++++++--------------
1 file changed, 13 insertions(+), 14 deletions(-)
--- a/Documentation/mm/damon/design.rst~docs-mm-damon-design-rewrite-configurable-layers
+++ a/Documentation/mm/damon/design.rst
@@ -22,24 +22,23 @@ DAMON subsystem is configured with three
Configurable Operations Set
---------------------------
-DAMON provides data access monitoring functionality while making the accuracy
-and the overhead controllable. The fundamental access monitorings require
-primitives that dependent on and optimized for the target address space. On
-the other hand, the accuracy and overhead tradeoff mechanism, which is the core
-of DAMON, is in the pure logic space. DAMON separates the two parts in
-different layers and defines its interface to allow various low level
-primitives implementations configurable with the core logic. We call the low
-level primitives implementations monitoring operations.
+For data access monitoring and additional low level work, DAMON needs a set of
+implementations for specific operations that are dependent on and optimized for
+the given target address space. On the other hand, the accuracy and overhead
+tradeoff mechanism, which is the core logic of DAMON, is in the pure logic
+space. DAMON separates the two parts in different layers, namely DAMON
+Operations Set and DAMON Core Logics Layers, respectively. It further defines
+the interface between the layers to allow various operations sets to be
+configured with the core logic.
-Due to this separated design and the configurable interface, users can extend
-DAMON for any address space by configuring the core logics with appropriate
-monitoring operations. If appropriate one is not provided, users can implement
-the operations on their own.
+Due to this design, users can extend DAMON for any address space by configuring
+the core logic to use the appropriate operations set. If any appropriate set
+is unavailable, users can implement one on their own.
For example, physical memory, virtual memory, swap space, those for specific
processes, NUMA nodes, files, and backing memory devices would be supportable.
-Also, if some architectures or devices support special optimized access check
-primitives, those will be easily configurable.
+Also, if some architectures or devices supporting special optimized access
+check primitives, those will be easily configurable.
Operations Set Layer
_
Patches currently in -mm which might be from sj@kernel.org are
docs-mm-damon-faq-remove-old-questions.patch
docs-mm-damon-maintainer-profile-fix-typos-and-grammar-errors.patch
docs-mm-damon-design-add-a-section-for-overall-architecture.patch
docs-mm-damon-design-update-the-layout-based-on-the-layers.patch
docs-mm-damon-design-rewrite-configurable-layers.patch
docs-mm-damon-design-add-a-section-for-the-relation-between-core-and-modules-layer.patch
docs-mm-damon-design-add-sections-for-basic-parts-of-damos.patch
docs-mm-damon-design-add-sections-for-advanced-features-of-damos.patch
docs-mm-damon-design-add-a-section-for-damon-core-api.patch
docs-mm-damon-design-add-a-section-for-the-modules-layer.patch
reply other threads:[~2023-05-25 21:51 UTC|newest]
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