RADIX_VMALLOC_END  105 arch/powerpc/include/asm/book3s/64/radix.h #define RADIX_KERN_IO_START	RADIX_VMALLOC_END
RADIX_VMALLOC_END  581 arch/powerpc/mm/book3s64/radix_pgtable.c 	__vmalloc_end = RADIX_VMALLOC_END;