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RFC mm/damon/{reclaim,lru_sort}: fix commit_inputs infinite hang

SJ Park damon linux-mm lkml stable 1 version In review

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  1. v1 RFC Latest2 patches 2 repliesIn review

Patches in v1 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/2mm/damon/reclaim: skip damon_call() if ctx has not startedmm/damon/reclaim.c+6 -51 reply
2/2mm/damon/lru_sort: skip damon_call() if ctx has not startedmm/damon/lru_sort.c+6 -51 reply

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

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

Signature · 1 line
2.47.3