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(parent: f05e253) | patch
mm/damon/core: use time_after_eq() in kdamond_fn()
authorSeongJae Park <sj@kernel.org>
Sat, 7 Mar 2026 19:49:14 +0000 (11:49 -0800)
committerAndrew Morton <akpm@linux-foundation.org>
Sun, 5 Apr 2026 20:53:22 +0000 (13:53 -0700)
commit23754a36cd1ce888a136c762080c89e4d7b364d9
treed08ec8948f32f2f3ddb266897f69bde7ecfd7095tree | snapshot
parentf05e253637837b603682173ed6bd0bc873dc0496commit | diff
mm/damon/core: use time_after_eq() in kdamond_fn()

damon_ctx->passed_sample_intervals and damon_ctx->next_*_sis are unsigned
long.  Those are compared in kdamond_fn() using normal comparison
operators.  It is unsafe from overflow.  Use time_after_eq(), which is
safe from overflows when correctly used, instead.

Link: https://lkml.kernel.org/r/20260307194915.203169-4-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
mm/damon/core.c diff | blob | history
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