Dear Bing Zhu,

You can remap kernel memory to userspace using remap_pfn_range.

Thank you.
Best regards,
Seunguk Shin

------ Original Message ------
From: "bing zhu" <zhubohong12@gmail.com>
To: kernelnewbies@kernelnewbies.org
Sent: 6/11/2018 9:47:55 PM
Subject: Question about mmap

Dear Sir/Ma'am
How can i map a kernel virtual address to a user process's same virtual address ?is it possible ?
thank you for your time
best wishes!