diff --git a/arch/Kconfig b/arch/Kconfig
index 5d099b993c9..dedc122a590 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -517,6 +517,14 @@ config CPU_HAS_MMU
 	  This hidden option is selected when the CPU has a Memory Management Unit
 	  (MMU).
 
+config ARCH_HAS_RESERVED_PAGE_FRAMES
+	bool
+	help
+	  This hidden configuration should be selected by the architecture if
+	  certain RAM page frames need to be marked as reserved and never used for
+	  memory mappings. The architecture will need to implement
+	  arch_reserved_pages_update().
+
 menuconfig MMU
 	bool "Enable MMU features"
 	depends on CPU_HAS_MMU
diff --git a/kernel/include/kernel_arch_interface.h b/kernel/include/kernel_arch_interface.h
index c784852e809..4e014d05619 100644
--- a/kernel/include/kernel_arch_interface.h
+++ b/kernel/include/kernel_arch_interface.h
@@ -282,6 +282,20 @@ int arch_mem_map(void *dest, uintptr_t addr, size_t size, uint32_t flags);
  * @param size Page-aligned region size
  */
 void arch_mem_unmap(void *addr, size_t size);
+
+#ifdef CONFIG_ARCH_HAS_RESERVED_PAGE_FRAMES
+/**
+ * Update page frame database with reserved pages
+ *
+ * Some page frames within system RAM may not be available for use. A good
+ * example of this is reserved regions in the first megabyte on PC-like systems.
+ *
+ * Implementations of this function should mark all relavent entries in
+ * z_page_frames with K_PAGE_FRAME_RESERVED. This function is called at
+ * early system initialization with mm_lock held.
+ */
+void arch_reserved_pages_update(void);
+#endif /* ARCH_HAS_RESERVED_PAGE_FRAMES */
 #endif /* CONFIG_MMU */
 /** @} */