1ATOMIC64_DEC(9)                  Driver Basics                 ATOMIC64_DEC(9)
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NAME

6       atomic64_dec - decrement atomic64 variable
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SYNOPSIS

9       void atomic64_dec(atomic64_t * ptr);
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ARGUMENTS

12       ptr
13           pointer to type atomic64_t
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DESCRIPTION

16       Atomically decrements ptr by 1.
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19Kernel Hackers Manual 2.6.         June 2019                   ATOMIC64_DEC(9)
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