Re: [PATCH v2 2/3] powerpc/mm: allow memory hotplug into a memoryless node

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On 15/09/16 06:06, Reza Arbab wrote:
> Remove the check which prevents us from hotplugging into an empty node.
> 
> This limitation has been questioned before [1], and judging by the
> response, there doesn't seem to be a reason we can't remove it. No issues
> have been found in light testing.
> 
> [1] http://lkml.kernel.org/r/CAGZKiBrmkSa1yyhbf5hwGxubcjsE5SmkSMY4tpANERMe2UG4bg@xxxxxxxxxxxxxx
>     http://lkml.kernel.org/r/20160511215051.GF22115@xxxxxxxxxxxxxxxxxxxxxxxxxxx
> 
> Signed-off-by: Reza Arbab <arbab@xxxxxxxxxxxxxxxxxx>
> Acked-by: Balbir Singh <bsingharora@xxxxxxxxx>
> Cc: Nathan Fontenot <nfont@xxxxxxxxxxxxxxxxxx>
> Cc: Bharata B Rao <bharata@xxxxxxxxxxxxxxxxxx>
> ---
>  arch/powerpc/mm/numa.c | 13 +------------
>  1 file changed, 1 insertion(+), 12 deletions(-)
> 

I presume you've tested with CONFIG_NODES_SHIFT of 8 (255 nodes?)

Balbir Singh.
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