[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 <[email protected]>
---
Acked-by: Yasuaki Ishimatsu <[email protected]>
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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