Robin Holt wrote: > >> The patch does enable some nifty things; one example you may be familiar >> with is using page migration to move a guest from one numa node to another. >> > > xpmem allows one MPI rank to "export" his address space, a different > MPI rank to "import" that address space, and they share the same pages. > This allows sharing of things like stack and heap space. XPMEM also > provides a mechanism to share that PFN information across partition > boundaries so the pages become available on a different host. This, > of course, is dependent upon hardware that supports direct access to > the memory by the processor. > >
So this is yet another instance of hardware that has a tlb that needs to be kept in sync with the page tables, yes? Excellent, the more users the patch has, the easier it will be to justify it. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
