Re: 2.6.10-rc2-mm4

[Andrew Morton]

Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> wrote:
>
> On Maw, 2004-11-30 at 18:32, Andrew Morton wrote:
> > "This helps mainly graphic drivers who really need a lot of memory below
> > the 4GB area.  Previous they could only use IOMMU+16MB GFP_DMA, which was
> > not enough memory."
> > 
> > >  Is there code using the zone GFP mask yet ??
> > 
> > Nope.
> 
> You mean its a private hook for a proprietary graphics driver, which
> because it is that can't use it anyway ?

I wasn't aware that this is what I meant.  I dunno what graphics drivers
Andi needs it for, and he is away for a couple of weeks.  It's an
experimental patch, in there for testing.

> That sounds dubious to me as policy has always been to avoid such hooks.

I don't know why you're assuming that it is "such a hook".  Sticking
"gfp_dma32" into google indicates that the applications are quite
different.

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