On Fri, 2005-03-18 at 15:23 -0600, Matt Domsch wrote: > For review and comment. > > On x86_64 systems with no IOMMU and with >4GB RAM (in fact, whenever > there are any pages mapped above 4GB), pci_alloc_consistent() falls > back to using ZONE_DMA for all allocations, even if the device's > dma_mask could have supported using memory from other zones. Problems > can be seen when other ZONE_DMA users (SWIOTLB, scsi_malloc()) consume > all of ZONE_DMA, leaving none left for pci_alloc_consistent() use.
scsi_malloc no longer uses ZONE_DMA nowadays.... - 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/
