atomic64_dec_return  247 arch/x86/include/asm/atomic64_32.h 	return atomic64_dec_return(v) == 0;
atomic64_dec_return  122 include/asm-generic/atomic-long.h 	return (long)atomic64_dec_return(v);
atomic64_dec_return   51 include/asm-generic/atomic64.h #define atomic64_dec_and_test(v)	(atomic64_dec_return((v)) == 0)