ATOMIC64_READ(9) Driver Basics ATOMIC64_READ(9)NAMEatomic64_read - read atomic64 variable
SYNOPSIS
u64 atomic64_read(atomic64_t * ptr);
ARGUMENTS
ptr
pointer to type atomic64_t
DESCRIPTION
Atomically reads the value of ptr and returns it.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 ATOMIC64_READ(9)