On Mon, 8 May 2006, Pekka Enberg wrote: > > I think it sounds like it's worth it, but I'm not going to really push it. > > Sounds good to me. Andrew? virt_to_page is not cheap on NUMA. On IA64 virt_to_page is: #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) # define pfn_to_page(pfn) (vmem_map + (pfn)) vmem_map is not a linear map but a virtual mapping that may require several faults to get the information. - 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/
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