Messages in this thread Patch in this message | | | From | Dennis Zhou <> | Subject | [PATCH 1/4] percpu: add missing lockdep_assert_held to func pcpu_free_area | Date | Mon, 19 Jun 2017 19:28:29 -0400 |
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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> --- mm/percpu.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/mm/percpu.c b/mm/percpu.c index e0aa8ae..f94a5eb 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -672,6 +672,8 @@ static void pcpu_free_area(struct pcpu_chunk *chunk, int freeme, int to_free = 0; int *p; + lockdep_assert_held(&pcpu_lock); + freeme |= 1; /* we are searching for <given offset, in use> pair */ i = 0; -- 2.9.3
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