x86 paging refactor for debugger

src/arch/x86_64/paging/mod.rs

@@ -265,7 +265,10 @@ impl ActivePageTable {
             })
         };
         unsafe {
+            // Activate new page table
             RmmA::set_table(new_table.frame.start_address());
+            // Update mapper to new page table
+            self.mapper = Mapper::current();
         }
         old_table
     }

src/context/arch/x86_64.rs

@@ -76,7 +76,7 @@ impl Context {
         }
     }
 
-    pub fn get_page_utable(&mut self) -> usize {
+    pub fn get_page_utable(&self) -> usize {
         self.cr3
     }