__CMPWAIT_CASE    250 arch/arm64/include/asm/cmpxchg.h __CMPWAIT_CASE(w, b, 8);
__CMPWAIT_CASE    251 arch/arm64/include/asm/cmpxchg.h __CMPWAIT_CASE(w, h, 16);
__CMPWAIT_CASE    252 arch/arm64/include/asm/cmpxchg.h __CMPWAIT_CASE(w,  , 32);
__CMPWAIT_CASE    253 arch/arm64/include/asm/cmpxchg.h __CMPWAIT_CASE( ,  , 64);