From 1f1f6c62da7585948b41acb71c3f3e551dfc7518 Mon Sep 17 00:00:00 2001
From: Philipp Oppermann <dev@phil-opp.com>
Date: Thu, 13 Apr 2017 20:04:01 +0200
Subject: [PATCH] Derive Copy and Clone for Page and add a Frame::clone method

---
 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 98b36e0..daa3478 100644
--- a/src/memory/mod.rs
+++ b/src/memory/mod.rs
@@ -19,6 +19,10 @@ 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 a096654..8273feb 100644
--- a/src/memory/paging/mod.rs
+++ b/src/memory/paging/mod.rs
@@ -11,6 +11,7 @@ const ENTRY_COUNT: usize = 512;
 pub type PhysicalAddress = usize;
 pub type VirtualAddress = usize;
 
+#[derive(Debug, Clone, Copy)]
 pub struct Page {
    number: usize,
 }