Re: Kernel vs user memory

Siddhartha Chhabra
2010-03-19T01:29:11Z

On Thu, Mar 18, 2010 at 9:06 PM, Bryan Donlan <bdonlan@gmail.com> wrote:

>
> That is correct. The kernel can avoid a PF if it wants to by ensuring
> the page tables are set up properly from the start; and physical
> addresses below a certain value (which varies by architecture) can be
> accessed directly without any setup at all.
>

Thank you for your time, this discussion was really helpful.

Thanks once again
Sid