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SubjectRe: [PATCH 0/4] Swap migration V3: Overview
Mike wrote:
> Just to be clear, there are at least two distinct requirements for hotplug.
> One only wants to remove a quantity of memory (location unimportant).

Could you describe this case a little more? I wasn't aware
of this hotplug requirement, until I saw you comment just now.

The three reasons I knew of for wanting to move memory pages were:
- offload some physical ram or node (avoid or unplug bad hardware)
- task migration to another cpuset or moving an existing cpuset
- various testing and performance motivations to optimize page location

--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.925.600.0401
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