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mm/memory_hotplug.c: use pfn_to_nid() instead of page_to_nid(pfn_to_page()) 

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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Xishi Qiu 2013-11-12 15:07:21 -08:00 committed by Linus Torvalds
parent d6de9d5349
commit 9c2606b77d
1 changed files with 1 additions and 1 deletions
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mm/memory_hotplug.c
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@ -934,7 +934,7 @@ 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);