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percpu: add missing lockdep_assert_held to func pcpu_free_area
Add a missing lockdep_assert_held for pcpu_lock to improve consistency and safety throughout mm/percpu.c. Signed-off-by: Dennis Zhou <dennisz@fb.com> Signed-off-by: Tejun Heo <tj@kernel.org>
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@ -672,6 +672,8 @@ static void pcpu_free_area(struct pcpu_chunk *chunk, int freeme,
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int to_free = 0;
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int *p;
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lockdep_assert_held(&pcpu_lock);
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freeme |= 1; /* we are searching for <given offset, in use> pair */
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i = 0;
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