[RFC PATCH 2/3] topology: support node_numa_mem() for determining the fallback node

[David Rientjes]

On Tue, 18 Feb 2014, Christoph Lameter wrote:

> Ok but since you have a virtualized environment: Why not provide a fake
> home node with fake memory that could be anywhere? This would avoid the
> whole problem of supporting such a config at the kernel level.
> 

By acpi, the abstraction of a NUMA node can include any combination of 
cpus, memory, I/O resources, networking, or storage devices.  This allows 
two memoryless nodes, for example, to have different proximity to memory.