Re: [RFC PATCH v2 00/15][Sorted-buddy] mm: Memory Power Management

[Phillip Susi]

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On 4/19/2013 3:12 AM, Srivatsa S. Bhat wrote:
> But going further, as I had mentioned in my TODO list, we can be
> smarter than this while doing compaction to evacuate memory regions
> - we can choose to migrate only the active pages, and leave the
> inactive pages alone. Because, the goal is to actually consolidate
> the *references* and not necessarily the *allocations* themselves.

That would help with keeping references compact to allow use of the
low power states, but it would also be nice to keep allocations
compact, and completely power off a bank of ram with no allocations.


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