From 2198d09695b0f7029a5cb101c1f05a0b92ba3f76 Mon Sep 17 00:00:00 2001
From: Philipp Oppermann <dev@phil-opp.com>
Date: Thu, 31 Dec 2015 00:49:34 +0100
Subject: [PATCH] Add clone methods to Page(public) and Frame(private)

---
 src/memory/mod.rs        | 4 ++++
 src/memory/paging/mod.rs | 1 +
 2 files changed, 5 insertions(+)

diff --git a/src/memory/mod.rs b/src/memory/mod.rs
index ffd418e5..33e1f8d1 100644
--- a/src/memory/mod.rs
+++ b/src/memory/mod.rs
@@ -29,6 +29,10 @@ impl Frame {
     fn start_address(&self) -> PhysicalAddress {
         self.number * PAGE_SIZE
     }
+
+    fn clone(&self) -> Frame {
+        Frame { number: self.number }
+    }
 }
 
 pub trait FrameAllocator {
diff --git a/src/memory/paging/mod.rs b/src/memory/paging/mod.rs
index dc598c5e..122ff2a4 100644
--- a/src/memory/paging/mod.rs
+++ b/src/memory/paging/mod.rs
@@ -20,6 +20,7 @@ const ENTRY_COUNT: usize = 512;
 pub type PhysicalAddress = usize;
 pub type VirtualAddress = usize;
 
+#[derive(Debug, Clone, Copy)]
 pub struct Page {
     number: usize,
 }