REGION_ID 67 arch/powerpc/include/asm/nohash/64/pgtable.h #define VMALLOC_REGION_ID (REGION_ID(VMALLOC_START)) REGION_ID 68 arch/powerpc/include/asm/nohash/64/pgtable.h #define KERNEL_REGION_ID (REGION_ID(PAGE_OFFSET))