From 9c2606b77d6bffb422928bca66c8dc84d85089be Mon Sep 17 00:00:00 2001 From: Xishi Qiu <qiuxishi@huawei.com> Date: Tue, 12 Nov 2013 15:07:21 -0800 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 <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> --- 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 133a4e132632b..5118028468eb8 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); -- GitLab