2 files changed, 24 insertions, 3 deletions
diff --git a/arch/x86_64/include/arch/memory/allocator/physical_frame.hpp b/arch/x86_64/include/arch/memory/allocator/physical_frame.hpp
index a39517a..d5e2f4c 100644
--- a/arch/x86_64/include/arch/memory/allocator/physical_frame.hpp
+++ b/arch/x86_64/include/arch/memory/allocator/physical_frame.hpp
@@ -54,14 +54,14 @@ namespace teachos::arch::memory::allocator
     /**
      * @brief Post increment operator. Returns a copy of the value.
      *
-     * @return Copy of the incremented underlying address.
+     * @return Copy of the incremented underlying frame number.
      */
     auto operator++(int) -> physical_frame;
 
     /**
      * @brief Pre increment operator. Returns a reference to the changed value.
      *
-     * @return Reference to the incremented underlying address.
+     * @return Reference to the incremented underlying frame number.
      */
     auto operator++() -> physical_frame &;
 
diff --git a/arch/x86_64/include/arch/memory/paging/virtual_page.hpp b/arch/x86_64/include/arch/memory/paging/virtual_page.hpp
index c319af2..0ee9cbd 100644
--- a/arch/x86_64/include/arch/memory/paging/virtual_page.hpp
+++ b/arch/x86_64/include/arch/memory/paging/virtual_page.hpp
@@ -18,6 +18,11 @@ namespace teachos::arch::memory::paging
   struct virtual_page
   {
     /**
+     * @brief Defaulted constructor.
+     */
+    constexpr virtual_page() = default;
+
+    /**
      * @brief Constructor.
      *
      * @param page_number Index number of the current virtual page, used to distinguish it from other pages.
@@ -52,6 +57,20 @@ namespace teachos::arch::memory::paging
     auto get_level_index(page_table_handle::level level) const -> size_t;
 
     /**
+     * @brief Post increment operator. Returns a copy of the value.
+     *
+     * @return Copy of the incremented underlying page number.
+     */
+    auto operator++(int) -> virtual_page;
+
+    /**
+     * @brief Pre increment operator. Returns a reference to the changed value.
+     *
+     * @return Reference to the incremented underlying page number.
+     */
+    auto operator++() -> virtual_page &;
+
+    /**
      * @brief Defaulted equals operator.
      */
     auto operator==(const virtual_page & other) const -> bool = default;
@@ -61,9 +80,11 @@ namespace teachos::arch::memory::paging
      */
     auto operator<=>(const virtual_page & other) const -> std::partial_ordering = default;
 
-    std::size_t page_number;  ///< Index number of the current virtual page, used to distinguish it from other pages.
+    std::size_t page_number =
+        {};  ///< Index number of the current virtual page, used to distinguish it from other pages.
   };
 
+  typedef shared::container<shared::forward_value_iterator<virtual_page>> page_container;
 }  // namespace teachos::arch::memory::paging
 
 #endif  // TEACHOS_ARCH_X86_64_MEMORY_PAGING_VIRTUAL_PAGE_HPP