1ATOMIC64_ADD_NEGATIV(9)          Driver Basics         ATOMIC64_ADD_NEGATIV(9)
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NAME

6       atomic64_add_negative - add and test if negative
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SYNOPSIS

9       int atomic64_add_negative(u64 delta, atomic64_t * ptr);
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ARGUMENTS

12       delta
13           integer value to add
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15       ptr
16           pointer to type atomic64_t
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DESCRIPTION

19       Atomically adds delta to ptr and returns true if the result is
20       negative, or false when result is greater than or equal to zero.
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23Kernel Hackers Manual 2.6.         June 2019           ATOMIC64_ADD_NEGATIV(9)
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