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SubjectRe: [PATCH] NUMA aware allocation of transmit and receive buffers for e1000
On Tue, 17 May 2005, Andrew Morton wrote:

> Christoph Lameter <> wrote:
> >
> > NUMA awareness for the e1000 driver. Allocate transmit and receive buffers
> > on the node of the device.
> Hast thou any benchmarking results?

Yes, your honor. Just a second .... The patch has been around for a long

No benchmarks results in my email archive. Would need to talk to some
folks tomorrow and maybe we would have to run some new

> > - txdr->buffer_info = vmalloc(size);
> > + txdr->buffer_info = kmalloc_node(size, GFP_KERNEL, node);
> How come that this is safe to do

Because physically contiguous memory is usually better than virtually
contiguous memory? Any reason that physically contiguous memory will
break the driver?

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