atomic64_dec_return  161 arch/x86/include/asm/atomic64_32.h static inline long long atomic64_dec_return(atomic64_t *v)
atomic64_dec_return  162 arch/x86/include/asm/atomic64_64.h #define atomic64_dec_return(v)  (atomic64_sub_return(1, (v)))
atomic64_dec_return   50 include/asm-generic/atomic64.h #define atomic64_dec_return(v)		atomic64_sub_return(1LL, (v))