On Fri, Feb 28, 2003 at 03:55:37PM +0000, Alan Cox wrote:
> On Fri, 2003-02-28 at 14:34, Matthew Wilcox wrote:
> > umm. are you volunteering to convert drivers/net/macmace.c to the pci_*
> > API then? also, GFP_DMA is used on, eg, s390 to get memory below 2GB and
> > on ia64 to get memory below 4GB.
>
> The ia64 is a fine example of how broken it is. People have to hack around
> with GFP_DMA meaning different things on ia64 to everything else. It needs
> to die.
At least on x86-64 it is still needed when you need have some hardware
with address limits < 4GB (e.g. an 24bit soundcard)
pci_* on K8 only allows address mask 0xffffffff or unlimited.
-Andi
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