Re: x86_64: Make sparsemem/vmemmap the default memory model

[Andi Kleen]

On Tuesday 13 November 2007 00:52:14 Christoph Lameter wrote:
> Use sparsemem as the only memory model for UP, SMP and NUMA.
> 
> Measurements indicate that DISCONTIGMEM has a higher
> overhead than sparsemem. And FLATMEMs benefits are minimal. So I think its
> best to simply standardize on sparsemem.

How about the memory overhead? Is it the same too?
And code size vs flatmem?

-Andi
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