MAP_NR             84 arch/csky/include/asm/page.h #define MAP_NR(x)	PFN_DOWN((unsigned long)(x) - PAGE_OFFSET - \
MAP_NR              8 arch/h8300/include/asm/page.h #define MAP_NR(addr) (((uintptr_t)(addr)-PAGE_OFFSET) >> PAGE_SHIFT)