path: root/mm/zsmalloc.c
diff options
authorJules Irenge <>2020-04-06 20:08:27 -0700
committerLinus Torvalds <>2020-04-07 10:43:41 -0700
commit70c7ec95bece1bd01e25fbc4f17c9262445de417 (patch)
treef43c61ccf5c0d6dcfc1e0e047b8bd7aef9274d86 /mm/zsmalloc.c
parent8a374cccee8cdfa2902bb7a07a10671ffc1a72c1 (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 <> Signed-off-by: Andrew Morton <> Acked-by: Minchan Kim <> Link: Signed-off-by: Linus Torvalds <>
Diffstat (limited to 'mm/zsmalloc.c')
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);