From a5590116d22e40b29765866f21702bb526b23d18 Mon Sep 17 00:00:00 2001
From: zhangxinyu <840317537@qq.com>
Date: Mon, 12 Jun 2023 11:55:53 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9os=E7=9A=84=E5=86=85=E5=AD=98?=
 =?UTF-8?q?=E5=A4=A7=E5=B0=8F?=
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---
 ch5/os/src/config.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ch5/os/src/config.rs b/ch5/os/src/config.rs
index 2bf0d55..c2c7fcc 100644
--- a/ch5/os/src/config.rs
+++ b/ch5/os/src/config.rs
@@ -2,7 +2,7 @@ pub const MAX_APP_NUM: usize = 10;  // 支持最大的用户应用数量
 pub const KERNEL_HEAP_SIZE: usize = 0x30_0000;  // 内核的堆大小 3M
 pub const PAGE_SIZE_BITS: usize = 0xc;  // 页内偏移的位宽(也就是每页的大小)
 pub const PAGE_SIZE: usize = 0x1000;  // 每个页 的字节大小为 4kb
-pub const MEMORY_END: usize = 0x80800000;  // 设置我们当前操作系统最大只能用到 0x80800000-0x80000000大小的内存也就是8M
+pub const MEMORY_END: usize = 0x81000000;  // 设置我们当前操作系统最大只能用到 0x80800000-0x80000000大小的内存也就是8M
 
 pub const USER_STACK_SIZE: usize = 4096 * 2;  // 每个应用用户态的栈大小为8kb
 pub const KERNEL_STACK_SIZE: usize = 4096 * 2; // 每个应用的内核栈