Re: [RFC][PATCH 10/26] mm, mpol: Make mempolicy home-node aware

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On Mon, 2012-03-19 at 10:31 -0500, Christoph Lameter wrote:

> MPOL_DEFAULT is a certain type of behavior right now that applications
> rely on. If you change that then these applications will no longer work as
> expected.
> 
> MPOL_DEFAULT is currently set to be the default policy on bootup. You can
> change that of course and allow setting MPOL_DEFAULT manually for
> applications that rely on old behavor. Instead set the default behavior on
> bootup for MPOL_HOME_NODE.
> 
> So the default system behavior would be MPOL_HOME_NODE but it could be
> overriding by numactl to allow old apps to run as they are used to run.

Ah, OK. Although that's a mightily confusing usage of the word DEFAULT.
How about instead we make MPOL_LOCAL a real policy and allow explicitly
setting that?

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