On Tue, 12 Sep 2006, Jack Steiner wrote: > I'm missing something here. On Altix, currently ALL of the memory is reported > as being in the DMA zone: > > % cat /proc/budd* > Node 0, zone DMA 3015 116 4 1 ... > Node 1, zone DMA 4243 355 15 3 ... > Node 2, zone DMA 4384 113 6 4 ... > > % cat /proc/zoneinfo > Node 0, zone DMA > pages free 5868 > ... > > The DMA slabs are empty, though. This is wrong. All memory should be in ZONE_NORMAL since we have no DMA restrictions on Altix. > I assume your patch will switch Altix memory to a different zone, but what happens when > drivers specify GFP_DMA. GFP_DMA is ignored if there is no ZONE_DMA, same as GFP_DMA32 and GFP_HIGHMEM. - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
![]() |