Re: [PATCH 2/2] mm/cleanup: use pfn_to_nid() instead of page_to_nid(pfn_to_page())

[Yasuaki Ishimatsu]

[CCing Kosaki since he maintains mm/memory_hotplug.c]

(2013/09/09 12:27), Xishi Qiu wrote:
> Use "pfn_to_nid(pfn)" instead of "page_to_nid(pfn_to_page(pfn))".

> Signed-off-by: Xishi Qiu <qiuxishi@xxxxxxxxxx>
> ---

Acked-by: Yasuaki Ishimatsu <isimatu.yasuaki@xxxxxxxxxxxxxx>

Thanks,
Yasuaki Ishimatsu

>   mm/memory_hotplug.c |    2 +-
>   1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
> index 85f80b7..a95dd28 100644
> --- a/mm/memory_hotplug.c
> +++ b/mm/memory_hotplug.c
> @@ -937,7 +937,7 @@ int __ref online_pages(unsigned long pfn, unsigned long nr_pages, int online_typ
>   	arg.nr_pages = nr_pages;
>   	node_states_check_changes_online(nr_pages, zone, &arg);
>
> -	nid = page_to_nid(pfn_to_page(pfn));
> +	nid = pfn_to_nid(pfn);
>
>   	ret = memory_notify(MEM_GOING_ONLINE, &arg);
>   	ret = notifier_to_errno(ret);


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