Sparse reports a warning at migrate_read_unlock()() warning: context imbalance in migrate_read_unlock() - unexpected unlock The root cause is the missing annotation at migrate_read_unlock() Add the missing __releases(&zspage->lock) annotation Signed-off-by: Jules Irenge <jbi.octave@xxxxxxxxx> --- mm/zsmalloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index da70817b4ed8..2eab424c8c67 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -1838,7 +1838,7 @@ static void migrate_read_lock(struct zspage *zspage) __acquires(&zspage->lock) read_lock(&zspage->lock); } -static void migrate_read_unlock(struct zspage *zspage) +static void migrate_read_unlock(struct zspage *zspage) __releases(&zspage->lock) { read_unlock(&zspage->lock); } -- 2.24.1