From 1e15b3561dab2fc0917417fc59c1c254a47fffeb Mon Sep 17 00:00:00 2001
From: Yifan Wu <shinbokuow@163.com>
Date: Wed, 27 Jan 2021 07:29:16 +0800
Subject: [PATCH] Do not clone KERNEL_SPACE in mm::init

---
 os/src/mm/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/os/src/mm/mod.rs b/os/src/mm/mod.rs
index 0118b194..04af2e12 100644
--- a/os/src/mm/mod.rs
+++ b/os/src/mm/mod.rs
@@ -15,5 +15,5 @@ pub use memory_set::remap_test;
 pub fn init() {
     heap_allocator::init_heap();
     frame_allocator::init_frame_allocator();
-    KERNEL_SPACE.clone().lock().activate();
+    KERNEL_SPACE.lock().activate();
 }