New entries are set to zero

src/arch/x86_64/paging/entry.rs

@@ -27,6 +27,11 @@ pub const ADDRESS_MASK: usize = 0x000f_ffff_ffff_f000;
 pub const COUNTER_MASK: u64 = 0x3ff00000_00000000;
 
 impl Entry {
+    /// Zero entry
+    pub fn set_zero(&mut self) {
+        self.0 = 0;
+    }
+    
     /// Is the entry unused?
     pub fn is_unused(&self) -> bool {
         self.0 == (self.0 & COUNTER_MASK)

src/arch/x86_64/paging/table.rs

@@ -55,7 +55,7 @@ impl<L> Table<L> where L: TableLevel {
 
     pub fn zero(&mut self) {
         for entry in self.entries.iter_mut() {
-            entry.set_unused();
+            entry.set_zero();
         }
     }