Re: Why *not* rmap, anyway?

[Momchil Velikov <velco@fadata.bg>]

>>>>> "Rik" == Rik van Riel <riel@conectiva.com.br> writes:

Rik> On 24 Apr 2002, Momchil Velikov wrote:
Rik> You really need to read the pmap code and interface instead
Rik> of repeating the statements made by other people. Have you
Rik> ever taken a close look at the overhead implicit in the pmap
Rik> layer ?
>> 
>> Actually, on ia32, there's no reason for the pmap layer to be any
>> different than the Linux radix tree. The overhead argument does not
>> stand.

Rik> So how do you run a pmap VM without duplicating the data from
Rik> the pmap layer into the page tables ?

Rik> Remember that for VM info the page tables -are- the radix tree.

And the page tables -are- the pmap layer :)

Regards,
-velco
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