[RFC PATCH v1.1 0/2] mm/damon/stat: add kdamond_pid parameter

From: SeongJae Park

Date: Tue Apr 14 2026 - 19:59:36 EST


DAMON_STAT doesn't provide the pid of its kdamond, unlike DAMON_RECLAIM
and DAMON_LRU_SORT. This makes user-space management of DAMON_STAT
unnecessarily complicated. Provide the information via a new parameter,
namely kdamond_pid, and document it.

Changes from RFC
- rfc: https://lore.kernel.org/20260414053742.90296-1-sj@xxxxxxxxxx
- Fix damon_kdamond_pid() failure handling.

SeongJae Park (2):
mm/damon/stat: add a parameter for reading kdamond pid
Docs/admin-guide/mm/damon/stat: document kdamond_pid parameter

Documentation/admin-guide/mm/damon/stat.rst | 7 +++++++
mm/damon/stat.c | 17 +++++++++++++++++
2 files changed, 24 insertions(+)


base-commit: 02784c37a710fa3c8c3e7be4f27a5cfa3356dc00
--
2.47.3