[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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