lib/asm-generic/memory_areas.h

#ifndef __ASM_GENERIC_MEMORY_AREAS_H__
#define __ASM_GENERIC_MEMORY_AREAS_H__

#define AREA_NORMAL_PFN 0
#define AREA_NORMAL_NUMBER 0
#define AREA_NORMAL (1 << AREA_NORMAL_NUMBER)

#define MAX_AREAS 1

#endif