mm/damon/core: do not use region out of a loop in damon_set_regions()

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damon_set_regions() assumes the DAMON region iterator is referencing the
last region after the region iteration loop is completed.  The code is
indeed implemented in the way, but that is not a documented safe behavior.
Hence it is unreliable and difficult to read.  Cleanup the code to avoid
the case.

No behavioral change is intended.

Link: https://lore.kernel.org/20260522154026.80546-3-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Brendan Higgins <brendan.higgins@linux.dev>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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SeongJae Park 2026-05-22 08:40:13 -07:00 • committed by Andrew Morton

parent ce71e5aa8d

commit b23dbda659

1 changed files with 9 additions and 2 deletions

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mm/damon/core.c

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