Re: [PATCH] change global zonelist order on NUMA v2

From: Andi Kleen
Date: Thu Apr 26 2007 - 11:52:12 EST

On Thursday 26 April 2007 17:46:35 Christoph Lameter wrote:

> It is not a good idea if node 0 has both DMA and NORMAL memory and normal
> memory is a small fraction of node memory. In that case lots of
> allocations get redirected to node 1.

Good point yes. On x86-64 you might even have ZONE_DMA on node 0/1 and NORMAL
only on 3. I guess this needs to be detected somehow.


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