[RFC PATCH 0/2] mm/damon/{reclaim,lru_sort}: fix commit_inputs infinite hang

SJ Park <[email protected]> Sun, 2 Aug 2026 11:54:26 -0700
Newsgroups dev.linux.lists.damon,org.kernel.vger.linux-kernel,org.kernel.vger.stable,org.kvack.linux-mm
Message-ID <[email protected]> 
Writing 'Y' to commit_inputs parameters of DAMON_RECLAIM and
DAMON_LRU_SORT before the modules were ever turned on causes infinite
hang.  Fix those.

The issue was discovered [1] by Sashiko.

[1] https://lore.kernel.org/[email protected]

SJ Park (2):
  mm/damon/reclaim: skip damon_call() if ctx has not started
  mm/damon/lru_sort: skip damon_call() if ctx has not started

 mm/damon/lru_sort.c | 11 ++++++-----
 mm/damon/reclaim.c  | 11 ++++++-----
 2 files changed, 12 insertions(+), 10 deletions(-)


base-commit: d6580a342bc8c459628d2b68b313e9c0668bca59
-- 
2.47.3