Re: [PATCH] Apply memory policies to top two highest zones when highest zone is ZONE_MOVABLE

[Christoph Lameter <clameter@sgi.com>]

On Wed, 8 Aug 2007, Mel Gorman wrote:

> Despite a fairly specific case, I'd still like to get the problem fixed
> for 2.6.23. I've posted up an alternative fix under the subject "Use one
> zonelist per node instead of multiple zonelists v2". It's a more invasive
> fix although arguably it's better overall than the hack because it's not
> dealing with a specific special case and has a sensible path forward that
> makes policies a saner ultimately. However, unlike the hack it affects all
> callers of the page allocator so lets see what the reaction from reviewers
> is before forgetting about the hack altogether.

Well its more a precursor to things to come than a hack. If the tests go 
well for the single zonelist scheme then we may end up doing what the 
patch did for the mpol_bind zonelists for all allocations.

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