Re: [PATCH 9/9] x86: Unify NUMA initialization between 32 and 64bit

[Pekka Enberg]

On Thu, Nov 11, 2010 at 1:02 PM, Tejun Heo <tj@xxxxxxxxxx> wrote:
> Now that everything else is unified, NUMA initialization can be
> unified too.
>
> * numa_init_array() and init_cpu_to_node() are moved from numa_64 to
>  numa.
>
> * numa_32::initmem_init() is updated to call numa_init_array() and
>  setup_arch() to call init_cpu_to_node() on 32bit too.
>
> * x86_cpu_to_node_map is now initialized to NUMA_NO_NODE on 32bit too.
>  This is safe now as numa_init_array() will initialize it early
>  during boot.
>
> This makes NUMA mapping fully initialized before setup_per_cpu_areas()
> on 32bit too and thus makes the first percpu chunk which contains all
> the static variables and some of dynamic area allocated with NUMA
> affinity correctly considered.
>
> Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
> Reported-by: Eric Dumazet <eric.dumazet@xxxxxxxxx>

Acked-by: Pekka Enberg <penberg@xxxxxxxxxx>
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