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authorXishi Qiu <qiuxishi@huawei.com>2013-11-12 15:07:21 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-13 12:09:04 +0900
commit9c2606b77d6bffb422928bca66c8dc84d85089be (patch)
treece40c1b6ac3b167b7d803d142ec1ee73bfd78a11
parentd6de9d5349db61e134ab7fb6b2436a4c7938714c (diff)
downloadop-kernel-dev-9c2606b77d6bffb422928bca66c8dc84d85089be.zip
op-kernel-dev-9c2606b77d6bffb422928bca66c8dc84d85089be.tar.gz
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>
-rw-r--r--mm/memory_hotplug.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 133a4e1..5118028 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -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);
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