From: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
To: Xishi Qiu <qiuxishi@huawei.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Wen Congyang <wency@cn.fujitsu.com>,
Tang Chen <tangchen@cn.fujitsu.com>,
Toshi Kani <toshi.kani@hp.com>,
linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
kosaki.motohiro@gmail.com
Subject: Re: [PATCH 2/2] mm/cleanup: use pfn_to_nid() instead of page_to_nid(pfn_to_page())
Date: Mon, 9 Sep 2013 15:11:58 +0900 [thread overview]
Message-ID: <522D66AE.4060702@jp.fujitsu.com> (raw)
In-Reply-To: <522D403C.3040801@huawei.com>
[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@huawei.com>
> ---
Acked-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
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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prev parent reply other threads:[~2013-09-09 6:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-09 3:27 Xishi Qiu
2013-09-09 6:11 ` Yasuaki Ishimatsu [this message]
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