atomic64_lock 30 lib/atomic64.c } atomic64_lock[NR_LOCKS] __cacheline_aligned_in_smp = { atomic64_lock 32 lib/atomic64.c .lock = __RAW_SPIN_LOCK_UNLOCKED(atomic64_lock.lock), atomic64_lock 42 lib/atomic64.c return &atomic64_lock[addr & (NR_LOCKS - 1)].lock;