Re: [PATCH 08/25] Calculate the preferred zone for allocation onlyonce

[Christoph Lameter]

On Fri, 20 Mar 2009, Mel Gorman wrote:

> get_page_from_freelist() can be called multiple times for an allocation.
> Part of this calculates the preferred_zone which is the first usable
> zone in the zonelist. This patch calculates preferred_zone once.

Isnt this adding an additional pass over the zonelist? Maybe mitigaged by
the first zone usually being the preferred zone.

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