VIRT_PHYS_OFFSET  211 arch/powerpc/include/asm/page.h #define __va(x) ((void *)(unsigned long)((phys_addr_t)(x) + VIRT_PHYS_OFFSET))
VIRT_PHYS_OFFSET  212 arch/powerpc/include/asm/page.h #define __pa(x) ((unsigned long)(x) - VIRT_PHYS_OFFSET)