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Docs/mm/damon/design: document unmapped DAMOS filter type

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Document availability and meaning of unmapped DAMOS filter type on design
document.  Since introduction of the type requires no additional user ABI,
usage and ABI document need no update.

Link: https://lkml.kernel.org/r/20250219220146.133650-3-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>
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SeongJae Park 2025-02-19 14:01:46 -08:00 committed by Andrew Morton
parent f809b9f304
commit 375c28a0df
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Documentation/mm/damon/design.rst
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@ -617,6 +617,8 @@ Below ``type`` of filters are currently supported.
scheme.
- hugepage_size
- Applied to pages that managed in a given size range.
- unmapped
- Applied to pages that unmapped.
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