From dc73c402313184c37c545671640850d126bc9920 Mon Sep 17 00:00:00 2001 From: Xishi Qiu Date: Tue, 5 Nov 2013 16:55:29 +1100 Subject: [PATCH] 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 Acked-by: Yasuaki Ishimatsu Signed-off-by: Andrew Morton --- mm/memory_hotplug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 133a4e132632..5118028468eb 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); -- 2.39.5