[RFC PATCH 6.18.y 0/5] mm/damon: porting fixes that cherry-pick failed on 2026-11-07

[SJ Park]

Manually port five DAMON fixes that cherry-pick failed [1-5] and turned
out to really need to be picked.  Note that seven patches [6-12] that
also failed in the same day were having wrong Cc:stable@ tags, so
ignored.

Patches that this series is porting.
[1] https://lore.kernel.org/20261107050847-failed-6.18-90c2fa6adfed@xxxxxxxxxx
[2] https://lore.kernel.org/20261107050851-failed-6.18-29c6084658af@xxxxxxxxxx
[3] https://lore.kernel.org/20261107051039-failed-6.18-af19aff38d6f@xxxxxxxxxx
[4] https://lore.kernel.org/20261107051438-failed-6.18-5695abc4e742@xxxxxxxxxx
[5] https://lore.kernel.org/20261107051441-failed-6.18-bbeec2d8324d@xxxxxxxxxx

Patches that also cherry-pick failed but deliverately ignored.
[6] https://lore.kernel.org/20261107050853-failed-6.18-df7d9a0f8d91@xxxxxxxxxx
[7] https://lore.kernel.org/20261107051022-failed-6.18-6f276422aded@xxxxxxxxxx
[8] https://lore.kernel.org/20261107051024-failed-6.18-1bfb9384ae0e@xxxxxxxxxx
[9] https://lore.kernel.org/20261107051027-failed-6.18-1d2397b2c414@xxxxxxxxxx
[10] https://lore.kernel.org/20261107051029-failed-6.18-cec08aad3def@xxxxxxxxxx
[11] https://lore.kernel.org/20261107051032-failed-6.18-a1c7fdaf1657@xxxxxxxxxx
[12] https://lore.kernel.org/20261107051034-failed-6.18-409d2ab6d982@xxxxxxxxxx

SJ Park (5):
  mm/damon/core: skip applying scheme if region split for quota fails
  mm/damon/core: handle uninitialized damos_quota_goal->last_psi_total
  mm/damon/sysfs-schemes: read sysfs_filter->sz_range only once
  mm/damon/core: remove unreachable damos charge_{target,addr}_from
  mm/damon/core: filter out damos address filter-split failed region

 mm/damon/core.c             | 63 +++++++++++++++++++++++++++++++------
 mm/damon/sysfs-schemes.c    |  5 ++-
 mm/damon/tests/core-kunit.h | 16 +++++++---
 3 files changed, 66 insertions(+), 18 deletions(-)


base-commit: 270830fb661321a6230f2433667a328e41b2fb7f
-- 
2.47.3