diff --git a/Kernel/include/memory/macro.hpp b/Kernel/include/memory/macro.hpp
index 3bd33600..e531b759 100644
--- a/Kernel/include/memory/macro.hpp
+++ b/Kernel/include/memory/macro.hpp
@@ -50,6 +50,7 @@
 
 #if defined(__amd64__) || defined(__aarch64__)
 #define KERNEL_VMA_OFFSET 0xFFFFFFFF80000000
+#define KERNEL_HHDM_OFFSET 0xFFFF800000000000
 
 #define USER_ALLOC_BASE 0xFFFFA00000000000 /* 256 GiB */
 #define USER_ALLOC_END 0xFFFFB00000000000
@@ -61,6 +62,7 @@
 #define USER_STACK_BASE 0xFFFFEFFFFFFF0000
 #elif defined(__i386__) || defined(__arm__)
 #define KERNEL_VMA_OFFSET 0xC0000000
+#define KERNEL_HHDM_OFFSET 0xD0000000
 
 #define USER_ALLOC_BASE 0x80000000
 #define USER_ALLOC_END 0xA0000000