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/cagzkibrmksa1yyhbf5hwgxubcjse5smksmy4tpanerme2ug...@mail.gmail.com
>
> http://lkml.kernel.org/r/20160511215051.gf22...@arbab-laptop.austin.ibm.com
>
> Signed-off-by: Reza Arbab
> Acked-by: Balbir Singh
> Cc: Nathan Fontenot
> Cc: Bharata B Rao
> ---
> 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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