x86_64/memory: simplify region allocator

1 files changed, 4 insertions, 1 deletions

diff --git a/arch/x86_64/include/x86_64/memory/region_allocator.hpp b/arch/x86_64/include/x86_64/memory/region_allocator.hpp
index 84b7a94..bf657a0 100644
--- a/arch/x86_64/include/x86_64/memory/region_allocator.hpp
+++ b/arch/x86_64/include/x86_64/memory/region_allocator.hpp
@@ -61,9 +61,12 @@ namespace teachos::memory::x86_64
     //! @note This implementation will never actually release any frames.
     auto release(frame frame) -> void override;
 
+    auto next_free_frame() noexcept -> std::optional<frame>;
+
   private:
     //! Find the next memory area and write it into current_area.
-    auto choose_next_area() -> void;
+    auto choose_next_region() -> void;
+    auto find_next_frame() -> std::optional<frame>;
 
     frame m_next_frame;                      //!< The next available frame.
     std::optional<region> m_current_region;  //!< The memory region currently used for allocation