ATOMIC64_DEC(9) Driver Basics ATOMIC64_DEC(9)
NAME atomic64_dec - decrement atomic64 variable
SYNOPSIS void atomic64_dec(atomic64_t * ptr);
ARGUMENTS ptr pointer to type atomic64_t
DESCRIPTION Atomically decrements ptr by 1.
COPYRIGHT Kernel Hackers Manual 2.6. April 2016 ATOMIC64_DEC(9)