diff options
| author | Jules Irenge <jbi.octave@gmail.com> | 2020-04-06 20:08:27 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-04-07 10:43:41 -0700 |
| commit | 70c7ec95bece1bd01e25fbc4f17c9262445de417 (patch) | |
| tree | f43c61ccf5c0d6dcfc1e0e047b8bd7aef9274d86 | |
| parent | 8a374cccee8cdfa2902bb7a07a10671ffc1a72c1 (diff) | |
mm/zsmalloc: add missing annotation for pin_tag()
Sparse reports a warning at pin_tag()()
warning: context imbalance in pin_tag() - wrong count at exit
The root cause is the missing annotation at pin_tag()
Add the missing __acquires(bitlock) annotation
Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Link: http://lkml.kernel.org/r/20200214204741.94112-13-jbi.octave@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | mm/zsmalloc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 2eab424c8c67..7bac76ae11b3 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -891,7 +891,7 @@ static inline int trypin_tag(unsigned long handle) return bit_spin_trylock(HANDLE_PIN_BIT, (unsigned long *)handle); } -static void pin_tag(unsigned long handle) +static void pin_tag(unsigned long handle) __acquires(bitlock) { bit_spin_lock(HANDLE_PIN_BIT, (unsigned long *)handle); } |