[PATCH v4 3/3] Docs/mm/damon/design: Document hugepage_mem_bp target metric

From: SJ Park

Date: Mon Aug 31 2026 - 13:11:04 EST


From: Asier Gutierrez <gutierrez.asier@xxxxxxxxxxxxxxxxxxx>

Document hugepage_mem_bp metric exposed by sysfs.

Signed-off-by: Asier Gutierrez <gutierrez.asier@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: SJ Park <sj@xxxxxxxxxx>
Signed-off-by: SJ Park <sj@xxxxxxxxxx>
---
Documentation/mm/damon/design.rst | 2 ++
1 file changed, 2 insertions(+)

diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/design.rst
index aed6cb1cf4831..a8c163475ef2b 100644
--- a/Documentation/mm/damon/design.rst
+++ b/Documentation/mm/damon/design.rst
@@ -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
--
2.47.3