VMEMMAP_REGION_ID 96 arch/powerpc/include/asm/book3s/64/hash.h #define INVALID_REGION_ID (VMEMMAP_REGION_ID + 1) VMEMMAP_REGION_ID 699 arch/powerpc/mm/book3s64/slb.c } else if (id == VMEMMAP_REGION_ID) {