页面错误处理程序如何知道从何处获取4K字节? [英] How does the page fault handler know where to get the 4K bytes?

问题描述

我的意思是，哪个文件以及该文件的偏移量是什么?

I mean, which file and what's the offset into the file?

页面错误处理程序需要从那里将4K字节复制到物理RAM中.

The page fault handler need to copy 4K bytes from there into the physical RAM.

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我发现vm_area_struct中的vm_file正是我想要的.

I found out that vm_file in vm_area_struct was just what I was looking for.

推荐答案

我发现vm_area_struct中的vm_file正是我想要的. – xiaokaoy

I found out that vm_file in vm_area_struct was just what I was looking for. – xiaokaoy

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