Messages in this thread | | | Date | Tue, 10 Jan 2006 13:45:24 -0500 | From | Mark Lord <> | Subject | Re: 2G memory split |
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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.
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