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On Tue, Jan 10 2006, Gerd Hoffmann wrote: > Hi, > > >0xb0000000 is a much better default, but I didn't think that would fly > >as a patch. > > I think that will not fly with CONFIG_X86_PAE. In PAE mode the 3rd pmd > (for the 0xc0000000 => 0xffffffff kernel address range) is shared, > anything but 0xc000000 most likely needs some more hackery than just > changing PAGE_OFFSET. As the whole point of this split patchery is to > avoid highmem in the first place it maybe makes sense to have some > "optimize for 1/2/4/more GB main memory" config option which in turn > picks sane PAGE_OFFSET+HIGHMEM+PAE settings? The patch depends on NOHIGHMEM atm, so you can't select PAE and move the page offset anyways. -- Jens Axboe - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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