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

 #ifndef __UM_PCI_H
 #define __UM_PCI_H

 #define PCI_DMA_BUS_IS_PHYS     (1)

 #endif
	#ifndef __UM_PCI_H
	#define __UM_PCI_H

	#define PCI_DMA_BUS_IS_PHYS (1)

	#endif