Re: [RFC PATCH v4 16/40] mm: Introduce a "Region Allocator" tomanage entire memory regions

[Johannes Weiner]

On Thu, Sep 26, 2013 at 04:47:34AM +0530, Srivatsa S. Bhat wrote:
> Today, the MM subsystem uses the buddy 'Page Allocator' to manage memory
> at a 'page' granularity. But this allocator has no notion of the physical
> topology of the underlying memory hardware, and hence it is hard to
> influence memory allocation decisions keeping the platform constraints
> in mind.

This is no longer true after patches 1-15 introduce regions and have
the allocator try to stay within the lowest possible region (patch
15).  Which leaves the question what the following patches are for.

This patch only adds a data structure and I gave up finding where
among the helpers, statistics, and optimization patches an actual
implementation is.

Again, please try to make every single a patch a complete logical
change to the code base.
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