diff --git a/arch/Kconfig b/arch/Kconfig
index 81918352ea6..5d099b993c9 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -577,6 +577,26 @@ config KERNEL_RAM_SIZE
 	  address space, and that these RAM mappings are all within the virtual
 	  region [KERNEL_VM_BASE..KERNEL_VM_BASE + KERNEL_RAM_SIZE).
 
+config KERNEL_VM_OFFSET
+	hex "Kernel offset within address space"
+	default 0
+	help
+	  Offset that the kernel image begins within its address space,
+	  if this is not the same offset from the beginning of RAM.
+
+	  Some care may need to be taken in selecting this value. In certain
+	  build-time cases, or when a physical address cannot be looked up
+	  in page tables, the equation:
+
+	      virt = phys + ((KERNEL_VM_BASE + KERNEL_VM_OFFSET) -
+	                     SRAM_BASE_ADDRESS)
+
+	  Will be used to convert between physical and virtual addresses for
+	  memory that is mapped at boot.
+
+	  This uncommon and is only necessary if the beginning of VM and
+	  physical memory have dissimilar alignment.
+
 config KERNEL_VM_SIZE
 	hex "Size of kernel address space in bytes"
 	default 0xC0000000
diff --git a/arch/x86/include/x86_mmu.h b/arch/x86/include/x86_mmu.h
index c4c80753838..52084858ec8 100644
--- a/arch/x86/include/x86_mmu.h
+++ b/arch/x86/include/x86_mmu.h
@@ -81,9 +81,10 @@
  * walking and creating page tables.
  */
 #ifdef CONFIG_MMU
-#define Z_X86_VIRT_OFFSET  (CONFIG_KERNEL_VM_BASE - CONFIG_SRAM_BASE_ADDRESS)
+#define Z_X86_VIRT_OFFSET ((CONFIG_KERNEL_VM_BASE + CONFIG_KERNEL_VM_OFFSET) - \
+			   CONFIG_SRAM_BASE_ADDRESS)
 #else
-#define Z_X86_VIRT_OFFSET	0
+#define Z_X86_VIRT_OFFSET 0
 #endif
 
 /* ASM code */