- * 0xFFFF8000 00000000 - 0xFFFFFFFF FFFFFFFF 47 128 TiB Kernel Range
- * 8000 00000000 - 8000 7FFFFFFF 31 2 GiB Identity Map
- * 8000 80000000 - 9000 00000000 ~44 16 TiB Kernel Heap
- * 9000 00000000 - 9800 00000000 43 8 TiB Module Space
- * 9800 00000000 - 9A00 00000000 41 2 TiB Kernel VFS
- * A000 00000000 - B000 00000000 44 16 TiB Kernel Stacks
- * D000 00000000 - E000 00000000 44 16 TiB Hardware Mappings
- * E000 00000000 - E080 00000000 39 512 GiB Per-Process Data
- * E080 00000000 - E100 00000000 39 512 GiB Kernel Supplied User Code
- * FE00 00000000 - FE80 00000000 39 512 GiB Fractal Mapping (PML4 510)
- * FE80 00000000 - FF00 00000000 39 512 GiB Temp Fractal Mapping
+ * 0x00000000 00000000 - 0x00007FFF FFFFFFFF 47 128 TiB User Space
+ * 0x00008000 00000000 - 0xFFFF7FFF FFFFFFFF --- SIGN EXTENSION NULL ZONE
+ * 0xFFFF8000 00000000 - 0xFFFFFFFF FFFFFFFF 47 128 TiB Kernel Range
+ * 8000 00000000 - 9000 00000000 42 16 TiB Kernel Heap
+ * 9000 00000000 - 9800 00000000 43 8 TiB Module Space
+ * 9800 00000000 - 9A00 00000000 41 2 TiB Kernel VFS
+ * ---- GAP ---- 6 TiB
+ * A000 00000000 - B000 00000000 44 16 TiB Kernel Stacks
+ * C000 00000000 - D000 00000000 44 16 TiB Hardware Mappings
+ * D000 00000000 - D080 00000000 39 512 GiB Per-Process Data
+ * D080 00000000 - D100 00000000 39 512 GiB Kernel Supplied User Code
+ * ---- GAP ---- 15 TiB
+ * E000 00000000 - E800 00000000 43 8 TiB Physical Page Nodes (2**40 pages * 8 bytes)
+ * E800 00000000 - EC00 00000000 42 4 TiB Physical Page Reference Counts (2**40 pg * 4 bytes)
+ * EC00 00000000 - EC80 00000000 39 512 GiB Physical Page Bitmap (1 page per bit)
+ * EC80 00000000 - ED00 00000000 39 512 GiB Physical Page DblAlloc Bitmap (1 page per bit)
+ * ED00 00000000 - ED00 80000000 31 2 GiB Physical Page Super Bitmap (64 pages per bit)
+ * ---- GAP ---- 9 TiB
+ * FE00 00000000 - FE80 00000000 39 512 GiB Fractal Mapping (PML4 508)
+ * FE80 00000000 - FF00 00000000 39 512 GiB Temp Fractal Mapping
+ * FF00 00000000 - FF80 00000000 39 512 GiB Temporary page mappings
+ * FF80 00000000 - FF80 80000000 31 2 GiB Local APIC
+ * ---- GAP ---- 506 GiB
+ * FFFF 00000000 - FFFF 80000000 31 2 GiB User Code
+ * FFFF 80000000 - FFFF FFFFFFFF 31 2 GiB Kernel code / data