I guess that very limited use might make sense. Yinghai Lu <ying...@kernel.org> wrote:
>On Mon, Jan 28, 2013 at 6:27 PM, H. Peter Anvin <h...@zytor.com> wrote: >> To be more clear: the max_pfn stuff seems like a relic of the past, >and I am wondering what it would take to get rid of it. >> >> It clearly has the wrong semantics, except perhaps in the most >trivial allocator models. >> >one thing i think could be : use that decide if we need iommu/swiotlb. >like in >arch/x86/kernel/amd_gart_64.c >arch/x86/kernel/pci-swiotlb.c >drivers/iommu/amd_iommu.c >... > >Yinghai -- Sent from my mobile phone. Please excuse brevity and lack of formatting. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/