On Fri, Jan 29, 2010 at 09:59:42AM +1300, David Woodhouse wrote: > On Thu, 2010-01-28 at 12:37 +0100, Joerg Roedel wrote: > > This patch changes the iommu-api functions for mapping and > > unmapping page ranges to use the new page-size based > > interface. This allows to remove the range based functions > > later. > > > + size = 0x1000UL << gfp_order; > > Um, that's not a page-size based interface. Page size isn't always 4KiB; > this code runs on IA64 too. > > We have enough fun with CPU vs. DMA page size on IA64 already :) Ah right. So this should be size = PAGE_SIZE << gfp_order; Right? The interface is meant to map the same amount of memory which alloc_pages(gfp_order) would return. Same for the return value of the unmap function. Joerg -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html