damon · Maintained

Maintainers

• M SJ Park <sj@kernel.org>

Paths

• F Documentation/ABI/testing/sysfs-kernel-mm-damon
• F Documentation/admin-guide/mm/damon/
• F Documentation/mm/damon/
• F include/linux/damon.h
• F include/trace/events/damon.h
• F mm/damon/
• F samples/damon/
• F tools/testing/selftests/damon/

Last 30 days

Active reviewers (last 30 days)

• Kunwu Chan <hidden>
  2 attestations (2 Co-developed-by) · last on 2026-08-16
• Lian Wang (ProcessMission) <hidden>
  2 attestations (2 Co-developed-by) · last on 2026-08-16

Recent patches

Most-recent 20 patches in this subsystem on linux-perf-users, ordered by date desc.

• COLD17d [RFC PATCH 4/4] selftests/damon: add DAMON perf AUX backend test
  2026-08-16 · Kunwu Chan <hidden>
• COLD17d [RFC PATCH 3/4] mm/damon/perf: add KUnit tests for the SPE record parser
  2026-08-16 · Kunwu Chan <hidden>
• COLD17d [RFC PATCH 2/4] mm/damon/perf: add AUX trace-buffer PMU backend for ARM SPE
  2026-08-16 · Kunwu Chan <hidden>
• COLD17d [RFC PATCH 1/4] mm/damon/perf: introduce AUX backend interface and Kconfig
  2026-08-16 · Kunwu Chan <hidden>
• COLD19d [PATCH 4/9] mm: use hw_pte_t for generic PTE table storage
  2026-08-06 · Muhammad Usama Anjum <hidden>
• COLD33d [PATCH RFC 04/11] mm: use hw_pte_t for generic PTE table storage
  2026-07-27 · Muhammad Usama Anjum <hidden>
• COLD42d IN MM: 3 (3M) [PATCH v2 18/33] mm/vma: use vma_start_pgoff(), linear_page_index() in mm code
  2026-07-10 · Lorenzo Stoakes <ljs@kernel.org>
• COLD53d [PATCH 16/30] mm/vma: use vma_start_pgoff(), linear_page_index() in mm code
  2026-06-29 · Lorenzo Stoakes <ljs@kernel.org>
• STALE126d [RFC PATCH v3 4/4] mm/damon/paddr: support perf event based access check
  2026-04-23 · Akinobu Mita <akinobu.mita@gmail.com>
• STALE126d [RFC PATCH v3 3/4] mm/damon/vaddr: support perf event based access check
  2026-04-23 · Akinobu Mita <akinobu.mita@gmail.com>
• STALE126d [RFC PATCH v3 2/4] mm/damon/core: add common code for perf event based access check
  2026-04-23 · Akinobu Mita <akinobu.mita@gmail.com>
• STALE126d [RFC PATCH v3 1/4] mm/damon/core: add code borrowed from report-based monitoring work
  2026-04-23 · Akinobu Mita <akinobu.mita@gmail.com>
• STALE171d [RFC PATCH v2 6/6] mm/damon: allow user to set min size of region
  2026-03-09 · Akinobu Mita <akinobu.mita@gmail.com>
• STALE171d [RFC PATCH v2 5/6] mm/damon/paddr: support perf event based access check
  2026-03-09 · Akinobu Mita <akinobu.mita@gmail.com>
• STALE171d [RFC PATCH v2 4/6] mm/damon/vaddr: support perf event based access check
  2026-03-09 · Akinobu Mita <akinobu.mita@gmail.com>
• STALE171d [RFC PATCH v2 3/6] mm/damon/core: add common code for perf event based access check
  2026-03-09 · Akinobu Mita <akinobu.mita@gmail.com>
• STALE171d [RFC PATCH v2 2/6] mm/damon/core: introduce struct damon_access_report
  2026-03-09 · Akinobu Mita <akinobu.mita@gmail.com>
• STALE171d [RFC PATCH v2 1/6] mm/damon: reintroduce damon_operations->cleanup()
  2026-03-09 · Akinobu Mita <akinobu.mita@gmail.com>
• STALE562d [PATCH v2 15/17] mm/damon: handle device-exclusive entries correctly in damon_folio_mkold_one()
  2025-02-10 · David Hildenbrand <hidden>
• STALE562d [PATCH v2 14/17] mm/damon: handle device-exclusive entries correctly in damon_folio_young_one()
  2025-02-10 · David Hildenbrand <hidden>

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE171d [RFC PATCH v2 1/6] mm/damon: reintroduce damon_operations->cleanup()
  2026-03-09 · Akinobu Mita <akinobu.mita@gmail.com>
• STALE171d [RFC PATCH v2 3/6] mm/damon/core: add common code for perf event based access check
  2026-03-09 · Akinobu Mita <akinobu.mita@gmail.com>
• STALE171d [RFC PATCH v2 4/6] mm/damon/vaddr: support perf event based access check
  2026-03-09 · Akinobu Mita <akinobu.mita@gmail.com>
• STALE171d [RFC PATCH v2 5/6] mm/damon/paddr: support perf event based access check
  2026-03-09 · Akinobu Mita <akinobu.mita@gmail.com>
• STALE171d [RFC PATCH v2 6/6] mm/damon: allow user to set min size of region
  2026-03-09 · Akinobu Mita <akinobu.mita@gmail.com>
• COLD33d [PATCH RFC 04/11] mm: use hw_pte_t for generic PTE table storage
  2026-07-27 · Muhammad Usama Anjum <hidden>