__HYPERCALL_2ARG  128 arch/x86/include/asm/xen/hypercall.h 	__HYPERCALL_2ARG(a1,a2)		__arg3 = (unsigned long)(a3);
__HYPERCALL_2ARG  166 arch/x86/include/asm/xen/hypercall.h 	__HYPERCALL_2ARG(a1, a2);					\