Re: 2.3.43 alpha broken with >2g of ram

[Richard Henderson]

On Thu, Feb 10, 2000 at 11:54:44PM +0100, Andrea Arcangeli wrote:
> Could you explain me how can 2.3.43 work? How do you do PCI-DMA over 2giga
> of ram on the page cache or on the buffer cache or in whatever else DMA
> with pci driver that is not yet using the new pci mmu code like some
> network driver is just doing?

If the machine uses drivers that have not been converted, it
doesn't work at all.  I disabled that code specifically so that
Pete Rival *could* try a machine with all drivers converted.

> I'll port the _real_ 2T support I did in 2.2.x to the latest 2.3.x ASAP
> (it was just in my TODO list).

If you like.  I wouldn't bother.  We've got most of the interesting
drivers converted already.

r~