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SubjectRe: Kernel vs user memory
On Thu, Mar 18, 2010 at 9:06 PM, Bryan Donlan <> 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

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