chain_head       2926 kernel/locking/lockdep.c 			  int chain_head, u64 chain_key)
chain_head       2973 kernel/locking/lockdep.c 		if (!chain_head && ret != 2) {
chain_head       2990 kernel/locking/lockdep.c 				 int chain_head, u64 chain_key)
chain_head       3824 kernel/locking/lockdep.c 	int chain_head = 0;
chain_head       3938 kernel/locking/lockdep.c 		chain_head = 1;
chain_head       3944 kernel/locking/lockdep.c 		chain_head = 1;
chain_head       3958 kernel/locking/lockdep.c 	if (!validate_chain(curr, hlock, chain_head, chain_key))