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SubjectRe: [PATCH 4/6] Embed zone_id information within the zonelist->zones pointer
On Wed, 12 Sep 2007, KAMEZAWA Hiroyuki wrote:

> If we really want to avoid unnecessary access to "zone" while walking zonelist,
> above may do something good. Cons is this makes sizeof zonlist bigger.

The trouble is that the size of the zonelist would double with this
approach. We have long zonelists and doubling the size could double
the cachelines needed to be touched in order to scan the zonelists.
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