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SubjectRe: [PATCH] properly reserve in bootmem the lmb reserved regions that cross numa nodes
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On Oct 6, 2008, at 10:42 AM, Jon Tollefson wrote:

> Kumar Gala wrote:
>> Out of interest how to do you guys represent NUMA regions of memory
>> in
>> the device tree?
>>
>> - k
> Looking at the source code in numa.c I see at the start of
> do_init_bootmem() that parse_numa_properties() is called. It
> appears to
> be looking at memory nodes and getting the node id from it. It gets
> an
> associativity property for the memory node and indexes that array
> with a
> 'min_common_depth' value to get the node id.
>
> This node id is then used to setup the active ranges in the
> early_node_map[].
>
> Is this what you are asking about? There are others I am sure who
> know
> more about it then I though.

I was wondering if this was documented anywhere (like in sPAPR)?

- k


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