Re: [RFC 5/8] x86_64 without ZONE_DMA

Andi Kleen
2006-07-08T01:00:24Z

On Saturday 08 July 2006 02:42, Christoph Lameter wrote:
> On Sat, 8 Jul 2006, Andi Kleen wrote:
>
> > I don't think the savings from this are enough to bother
> > the user with such an obscure config option.
>
> The savings are not only from the code paths. The VM itself is cleaner and
> the balancing issues are not that troublesome anymore.

Doesn't help - it has to be fixed anyways for NUMA and other architectures.

Also in my experience empty zones are not a significant problem for VM
balancing.

-Andi