arch/um/include/asm/smp.h - arm/linux - Git at Google

 #ifndef __UM_SMP_H
 #define __UM_SMP_H

 #define hard_smp_processor_id()		0

 #endif
	#ifndef __UM_SMP_H
	#define __UM_SMP_H

	#define hard_smp_processor_id() 0

	#endif