On Tue, 17 May 2005, Andrew Morton wrote:

Christoph Lameter [off-list ref] wrote:

quoted

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 
time.

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

quoted

-	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?