find_usage_forwards 1122 kernel/lockdep.c ret = find_usage_forwards(entry->class, depth+1); find_usage_forwards 1254 kernel/lockdep.c ret = find_usage_forwards(hlock_class(next), 0); find_usage_forwards 1893 kernel/lockdep.c ret = find_usage_forwards(hlock_class(this), 0);