Re: [Results] [RFC PATCH v4 00/40] mm: Memory Power Management

[Arjan van de Ven]

On 9/26/2013 5:58 AM, Srivatsa S. Bhat wrote:
> Let me explain the challenge I am facing. A prototype powerpc platform that
> I work with has the capability to transition memory banks to content-preserving
> low-power states at a per-socket granularity. What that means is that we can
> get memory power savings*without*  needing to go to full-system-idle, unlike
> Intel platforms such as Sandybridge.

btw this is not a correct statement
even Sandybridge can put memory in low power states (just not self refresh) even if the system is not idle
(depending on bios settings to enable this)

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