Re: 2.6.10-rc2-mm4

[Arjan van de Ven]

On Tue, 2004-11-30 at 10:21 -0800, Andrew Morton wrote:
> Arjan van de Ven <arjan@xxxxxxxxxxxxx> wrote:
> >
> > On Tue, 2004-11-30 at 09:50 -0800, Andrew Morton wrote:
> > > http://www.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.10-rc2/2.6.10-rc2-mm4/
> > > 
> > > - Various fixes and cleanups
> > > 
> > > - A decent-sized x86_64 update.
> > > 
> > > - x86_64 supports a fourth VM zone: ZONE_DMA32.  This may affect memory
> > >   reclaim, but shouldn't.
> > 
> > 
> > what is the purpose of such a zone ??
> 
> For pages which have a physical address <4G.  I assume this was motivated
> by the lack of an IOMMU on ia32e?

but there's the swiommu for those... so that can't be it
realistically....

Is there code using the zone GFP mask yet ??

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