Re: [PATCH 1/11] Add __GFP_MOVABLE flag and update callers

[Christoph Lameter]

On Mon, 27 Nov 2006, Mel Gorman wrote:

> Later, MOVABLE might be a constraint. For example, hotpluggable nodes may only
> allow MOVABLE allocations to be allocated.

Also, (a much more immediate need since we have memory hotplug already) if 
a zone has hotpluggable memory then MOVABLE/unmovable allocations need to 
be restricted to a portion of the zone. The plugin/plugout memory area of 
a zone will not be able to tolerate unmovable allocations.

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