* [PATCH 2/2] mm/cleanup: use pfn_to_nid() instead of page_to_nid(pfn_to_page())
@ 2013-09-09 3:27 Xishi Qiu
2013-09-09 6:11 ` Yasuaki Ishimatsu
0 siblings, 1 reply; 2+ messages in thread
From: Xishi Qiu @ 2013-09-09 3:27 UTC (permalink / raw)
To: Andrew Morton, Wen Congyang, Tang Chen, Yasuaki Ishimatsu, Toshi Kani
Cc: linux-mm, LKML, Xishi Qiu
Use "pfn_to_nid(pfn)" instead of "page_to_nid(pfn_to_page(pfn))".
Signed-off-by: Xishi Qiu <qiuxishi@huawei.com>
---
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);
--
1.7.1
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH 2/2] mm/cleanup: use pfn_to_nid() instead of page_to_nid(pfn_to_page())
2013-09-09 3:27 [PATCH 2/2] mm/cleanup: use pfn_to_nid() instead of page_to_nid(pfn_to_page()) Xishi Qiu
@ 2013-09-09 6:11 ` Yasuaki Ishimatsu
0 siblings, 0 replies; 2+ messages in thread
From: Yasuaki Ishimatsu @ 2013-09-09 6:11 UTC (permalink / raw)
To: Xishi Qiu
Cc: Andrew Morton, Wen Congyang, Tang Chen, Toshi Kani, linux-mm,
LKML, kosaki.motohiro
[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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2013-09-09 3:27 [PATCH 2/2] mm/cleanup: use pfn_to_nid() instead of page_to_nid(pfn_to_page()) Xishi Qiu
2013-09-09 6:11 ` Yasuaki Ishimatsu
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