[Gllug] Random freezes

[Christian Smith]

On Mon, 31 Jan 2005, Richard Jones wrote:

>On Mon, Jan 31, 2005 at 03:25:41PM +0000, Christian Smith wrote:
>> It's based on a "generalised" page table model, with 3 levels of pages.
>> That works fine on machines with <=3 levels of page tables, but x86-64 has
>> 4 levels in 64 bit mode, I believe. It works alright in TLB based MMUs,
>> such as MIPS and SPARC V9, but doesn't really fit for inverted page table
>> based architectures.
>
>The latest 2.6 kernels appear to have the 4-level page table model
>merged in.


Ah well, there you go. BSD has had largely the same Mach pmap
based interface since, what, 1992? Same for SVR4 hat since around 1988.


Christian

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