Re: 2G memory split

[Mark Lord]

Jeff V. Merkey wrote:
> Linus Torvalds wrote:
> > On Tue, 10 Jan 2006, Martin Bligh wrote:
> > > The non-1GB-aligned ones need to be disbarred when PAE is on, I think.
> > Well, right now _all_ the non-3:1 cases need to be disbarred. I think 
> > we depend on the kernel mapping only ever being the _one_ last entry 
> > in the top-level page table, which is only true with the 3:1 mapping.
> >
> > But I didn't check.
..
> No. It works fine (or seems to) with 2:2 mapping. I've tested with these 
> extensively
..

The boundary for 2:2 with the current patch is 0x78000000, not 0x80000000.
It may still work, but nobody's checked yet.

cheers
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