Re: [PATCH 2/3] Use one zonelist that is filtered instead of multiplezonelists

[Christoph Lameter]

On Wed, 8 Aug 2007, Mel Gorman wrote:

> The zone_id is the one I'm really interested in. It looks like the most
> promising optimisation for avoiding zone_idx in the hotpath.

Certainly the highest priority. However, if the nodeid could be coded in 
then we may be able to also avoid the GFP_THISNODE zonelists and improve 
the speed of matching a zonelist to a node mask.

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