[RFC PATCH 4/4] arm64:numa: adding numa support for arm64 platforms.
Hanjun Guo
hanjun.guo at linaro.org
Tue Oct 28 01:48:43 PDT 2014
Hi Ganapatrao,
On 2014-10-18 1:19, Ganapatrao Kulkarni wrote:
[...]
> Below is the example for the proposal of numa bindings in DT.
> This covers cpu to node mapping, memory ranges to node mapping.
> Also defines proximity distance matrix of nodes to each other.
> please let me know your comments to go ahead with the implementation.
>
> numa-map{
> /* Address cells used for memory range base address in mem-map.
> For all others, size-cells is used.
> Node-count tells the number of numa nodes in the system.
> */
> #address-cells = <2>;
> #size-cells = <1>;
> #node-count = <4>;
>
> /* Memmap for memory ranges on each node>
>
> mem-map = <0x0 0x00c00000 0>,
> <0x1 0x00000000 1>,
> <0x100 0x00000000 2>,
> <0x200 0x00000000 3>;
>
> /* CPU to node map for 4 NODE and 16 CPUs system
> < first-cpu last-cpu node belongs>
What's the property for the cpu? MPIDR of this CPU?
> */
> cpu-map = <0 3 0>,
> <4 7 1>,
> <8 11 2>,
> <12 16 3>;
>
Thanks
Hanjun
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