Re: [PATCH v3 4/7] device-dax/kmem: Set node state as N_DEMOTION_TARGETS

Wei Xu
2022-04-22T21:52:55Z

On Fri, Apr 22, 2022 at 12:55 PM Jagdish Gediya <jvgediya@linux.ibm.com> wrote:
>
> Set dax-device node as N_DEMOTION_TARGETS so that it
> can be used as demotion target.
>
> In future, support should be added to distinguish the
> dax-devices which are not preferred as demotion target
> e.g. HBM, for such devices, node shouldn't be set to
> N_DEMOTION_TARGETS.
>
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
> Signed-off-by: Jagdish Gediya <jvgediya@linux.ibm.com>
> ---

Acked-by: Wei Xu <weixugc@google.com>

> drivers/dax/kmem.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/dax/kmem.c b/drivers/dax/kmem.c
> index a37622060fff..f42ab9d04bdf 100644
> --- a/drivers/dax/kmem.c
> +++ b/drivers/dax/kmem.c
> @@ -147,6 +147,8 @@ static int dev_dax_kmem_probe(struct dev_dax *dev_dax)
>
> dev_set_drvdata(dev, data);
>
> + node_set_state(numa_node, N_DEMOTION_TARGETS);
> +
> return 0;
>
> err_request_mem:
> --
> 2.35.1
>