Re: [PATCH v2] mm: Drop useless local parameters of __register_one_node()

[Michael Ellerman]

Dou Liyang <douly.fnst@xxxxxxxxxxxxxx> writes:

> ... initializes local parameters "p_node" & "parent" for
> register_node().
>
> But, register_node() does not use them.
>
> Remove the related code of "parent" node, cleanup __register_one_node()
> and register_node().
>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: David Rientjes <rientjes@xxxxxxxxxx>
> Cc: Michal Hocko <mhocko@xxxxxxxxxx>
> Cc: isimatu.yasuaki@xxxxxxxxxxxxxx
> Signed-off-by: Dou Liyang <douly.fnst@xxxxxxxxxxxxxx>
> Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
> ---
> V1 --> V2:
> Rebase it on 
> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git akpm
>
>  drivers/base/node.c | 9 ++-------
>  1 file changed, 2 insertions(+), 7 deletions(-)

That appears to be the last user of parent_node().

Can we start removing it from the topology.h headers for each arch?

cheers