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Docs/mm/damon/design: cocument hugepage_mem_bp target metric

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Document hugepage_mem_bp metric exposed by sysfs.

Link: https://lore.kernel.org/20260831144732.80910-4-sj@kernel.org
Signed-off-by: Asier Gutierrez <gutierrez.asier@huawei-partners.com>
Signed-off-by: SJ Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: SJ Park <sj@kernel.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
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Asier Gutierrez 2026-08-31 07:47:30 -07:00 committed by Andrew Morton
parent b165a7a42f
commit 57d89b940a
1 changed files with 2 additions and 0 deletions
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Documentation/mm/damon/design.rst
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@ -713,6 +713,8 @@ mechanism tries to make ``current_value`` of ``target_metric`` be same to
bp (1/10,000).
- ``node_eligible_mem_bp``: Scheme target access pattern-eligible memory ratio
of a node in bp (1/10,000).
- ``hugepage_mem_bp``: Total huge page to total used memory ratio in bp
(1/10,000).
``nid`` is optionally required for ``node_mem_used_bp``, ``node_mem_free_bp``,
``node_memcg_used_bp``, ``node_memcg_free_bp`` and ``node_eligible_mem_bp`` to