atomic64_xchg 137 include/asm-generic/atomic-long.h (atomic64_xchg((atomic64_t *)(v), (new))) atomic64_xchg 41 include/asm-generic/atomic64.h extern long long atomic64_xchg(atomic64_t *v, long long new); atomic64_xchg 83 include/asm-generic/local64.h #define local64_xchg(l, n) atomic64_xchg((&(l)->a), (n))