diff --git a/kernel/src/MemoryManager.cpp b/kernel/src/MemoryManager.cpp
index b0f80e17..4f349e0d 100644
--- a/kernel/src/MemoryManager.cpp
+++ b/kernel/src/MemoryManager.cpp
@@ -7,6 +7,11 @@
 
 extern BOOTBOOT bootboot;
 
+extern u8 start_of_kernel_rodata[1];
+extern u8 end_of_kernel_rodata[1];
+extern u8 start_of_kernel_data[1];
+extern u8 end_of_kernel_data[1];
+
 static bool page_bitmap_read(u64 index);
 static void page_bitmap_set(u64 index, bool value);
 
@@ -93,6 +98,10 @@ namespace MemoryManager
         lock_pages((u64)page_bitmap_addr, page_bitmap_size / MMU::page_size() + 1);
     }
 
+    void protect_kernel_sections()
+    {
+    }
+
     void init()
     {
         init_physical_allocator();