#define LOW_OBP_ADDRESS _AC(0x00000000f0000000,UL)
#define HI_OBP_ADDRESS _AC(0x0000000100000000,UL)
#define VMALLOC_START _AC(0x0000000100000000,UL)
-#define VMALLOC_END _AC(0x0000000200000000,UL)
-#define VMEMMAP_BASE _AC(0x0000000200000000,UL)
+#define VMALLOC_END _AC(0x0000010000000000,UL)
+#define VMEMMAP_BASE _AC(0x0000010000000000,UL)
#define vmemmap ((struct page *)VMEMMAP_BASE)