arch_cmpxchg      192 arch/arm64/include/asm/cmpxchg.h #define arch_cmpxchg(...)		__cmpxchg_wrapper( _mb, __VA_ARGS__)
arch_cmpxchg      148 arch/x86/include/asm/cmpxchg.h #define arch_cmpxchg(ptr, old, new)					\