kernel/memory: implement basic free-list heap

2 files changed, 11 insertions, 4 deletions

diff --git a/arch/x86_64/include/arch/memory/page_table.hpp b/arch/x86_64/include/arch/memory/page_table.hpp
index a82d9e0..003dbf3 100644
--- a/arch/x86_64/include/arch/memory/page_table.hpp
+++ b/arch/x86_64/include/arch/memory/page_table.hpp
@@ -304,6 +304,11 @@ namespace arch::memory
       result |= mapper_flags::supervisor_only;
     }
 
+    if ((flags & table_flags::global) != table_flags::empty)
+    {
+      result |= mapper_flags::global;
+    }
+
     return result;
   }
 
@@ -334,6 +339,11 @@ namespace arch::memory
       result |= table_flags::user_accessible;
     }
 
+    if ((flags & mapper_flags::global) != mapper_flags::empty)
+    {
+      result |= table_flags::global;
+    }
+
     return result;
   }
 
diff --git a/arch/x86_64/include/arch/memory/recursive_page_mapper.hpp b/arch/x86_64/include/arch/memory/recursive_page_mapper.hpp
index e278a6d..a0c290a 100644
--- a/arch/x86_64/include/arch/memory/recursive_page_mapper.hpp
+++ b/arch/x86_64/include/arch/memory/recursive_page_mapper.hpp
@@ -10,14 +10,11 @@ namespace arch::memory
 
   struct recursive_page_mapper : kapi::memory::page_mapper
   {
-    explicit recursive_page_mapper(kapi::memory::frame_allocator & allocator);
+    explicit recursive_page_mapper();
 
     auto map(kapi::memory::page page, kapi::memory::frame frame, flags flags) -> std::byte * override;
     auto unmap(kapi::memory::page page) -> void override;
     auto try_unmap(kapi::memory::page page) noexcept -> bool override;
-
-  private:
-    kapi::memory::frame_allocator * m_allocator;
   };
 
 }  // namespace arch::memory