atomic64_sub_and_test  311 include/asm-parisc/atomic.h #define atomic64_sub_and_test(i,v)	(atomic64_sub_return((i),(v)) == 0)
atomic64_sub_and_test  257 include/asm-x86/atomic_64.h static inline int atomic64_sub_and_test(long i, atomic64_t *v)