From 60ce45bda6f30b42db018ff5896ae8fe91e793ec Mon Sep 17 00:00:00 2001 From: Austin Date: Wed, 6 Apr 2022 02:52:37 +0000 Subject: [PATCH] update zh-cn/device-dev/kernel/kernel-small-basic-memory-virtual.md. Signed-off-by: Austin --- zh-cn/device-dev/kernel/kernel-small-basic-memory-virtual.md | 1 + 1 file changed, 1 insertion(+) diff --git a/zh-cn/device-dev/kernel/kernel-small-basic-memory-virtual.md b/zh-cn/device-dev/kernel/kernel-small-basic-memory-virtual.md index 51d6be2faf..341d52d3e3 100644 --- a/zh-cn/device-dev/kernel/kernel-small-basic-memory-virtual.md +++ b/zh-cn/device-dev/kernel/kernel-small-basic-memory-virtual.md @@ -39,6 +39,7 @@ - CPU访问的虚拟地址所在的页，如V2，没有与具体的物理页做映射，系统会触发缺页异常，系统申请一个物理页，并把相应的信息拷贝到物理页中，并且把物理页的起始地址更新到页表条目中。此时CPU重新执行访问虚拟内存的指令便能够访问到具体的代码或数据。 **图1** 内存映射示意图 + ![zh-cn_image_0000001179142959](figures/zh-cn_image_0000001179142959.png) -- GitLab