Messages in this thread Patch in this message | | | From | Jules Irenge <> | Subject | [PATCH 10/30] mm/zsmalloc: Add missing annotation for migrate_read_lock() | Date | Fri, 14 Feb 2020 20:47:21 +0000 |
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Sparse reports a warning at migrate_read_lock()()
warning: context imbalance in migrate_read_lock() - wrong count at exit
The root cause is the missing annotation at migrate_read_lock() Add the missing __acquires(&zspage->lock) annotation
Signed-off-by: Jules Irenge <jbi.octave@gmail.com> --- mm/zsmalloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 22d17ecfe7df..da70817b4ed8 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -1833,7 +1833,7 @@ static void migrate_lock_init(struct zspage *zspage) rwlock_init(&zspage->lock); } -static void migrate_read_lock(struct zspage *zspage) +static void migrate_read_lock(struct zspage *zspage) __acquires(&zspage->lock) { read_lock(&zspage->lock); } -- 2.24.1
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