STACK_TRACE_HASH_SIZE 471 kernel/locking/lockdep.c static struct hlist_head stack_trace_hash[STACK_TRACE_HASH_SIZE]; STACK_TRACE_HASH_SIZE 487 kernel/locking/lockdep.c BUILD_BUG_ON_NOT_POWER_OF_2(STACK_TRACE_HASH_SIZE); STACK_TRACE_HASH_SIZE 508 kernel/locking/lockdep.c hash_head = stack_trace_hash + (hash & (STACK_TRACE_HASH_SIZE - 1));