Messages in this thread | | | Date | Tue, 30 Nov 2004 10:48:52 -0800 | From | William Lee Irwin III <> | Subject | Re: 2.6.10-rc2-mm4 |
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On Tue, 2004-11-30 at 10:21 -0800, Andrew Morton wrote: >> For pages which have a physical address <4G. I assume this was motivated >> by the lack of an IOMMU on ia32e?
On Tue, Nov 30, 2004 at 07:25:10PM +0100, Arjan van de Ven wrote: > but there's the swiommu for those... so that can't be it > realistically.... > Is there code using the zone GFP mask yet ??
ZONE_NORMAL and ZONE_DMA are both too overloaded to handle the 4GB boundary. And it makes a lot of sense on more machine types than x86-64 (e.g. ia64, ia32 and others with 32-bit PCI but no zone representing it).
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