slight change to memory map

diff --git a/Kernel/arch/x86_64/include/mm_virt.h b/Kernel/arch/x86_64/include/mm_virt.h
index 86081f3..502be55 100644 (file)
--- a/Kernel/arch/x86_64/include/mm_virt.h
+++ b/Kernel/arch/x86_64/include/mm_virt.h
@@ -17,6 +17,8 @@
  * Kernel land - Upper Half
  * 
  *    START ADDRESS          END ADDRESS       BITS   SIZE      NAME
+ * 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 -       8000 7FFFFFFF   31      2   GiB Identity Map
  *       8000 80000000 -       9000 00000000   ~44     16  TiB Kernel Heap