1ATOMIC64_ADD_RETURN(9)           Driver Basics          ATOMIC64_ADD_RETURN(9)
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NAME

6       atomic64_add_return - add and return
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SYNOPSIS

9       u64 atomic64_add_return(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 delta + *ptr
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22Kernel Hackers Manual 2.6.         June 2019            ATOMIC64_ADD_RETURN(9)
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