On Mon, Aug 13, 2007 at 03:00:14PM -0700, Christoph Lameter wrote: > You said that ZONE_DMA will still be there right? So the zone will be
There will be a (variable sized) dma zone, but not a ZONE_DMA entry in pgdat or in the the fallback lists. > > > There are still other architectures that use it. Biggest offender > > is s390. I'll leave them to their respective maintainers. > > IA64 also uses ZONE_DMA to support 32bit controllers. ZONE_DMA32 I thought? That one is not changed. > > So I think we can only get rid of ZONE_DMA in its 16MB incarnation for > i386 and x86_64. Correct. > > But you will be keeping ZONE_DMA32? Yes. > If so then it may be better to drop ZONE_DMA32 and make ZONE_DMA be below > 4GB like other 64bit arches. That might be possible as a followup, but would change the driver API. Is it worth it? -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/