public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
* [PATCH 2/2] mm/cleanup: use pfn_to_nid() instead of page_to_nid(pfn_to_page())
@ 2013-09-09  3:27 Xishi Qiu
  2013-09-09  6:11 ` Yasuaki Ishimatsu
  0 siblings, 1 reply; 2+ messages in thread
From: Xishi Qiu @ 2013-09-09  3:27 UTC (permalink / raw)
  To: Andrew Morton, Wen Congyang, Tang Chen, Yasuaki Ishimatsu,
	Toshi Kani
  Cc: linux-mm, LKML, Xishi Qiu

Use "pfn_to_nid(pfn)" instead of "page_to_nid(pfn_to_page(pfn))".

Signed-off-by: Xishi Qiu <qiuxishi@huawei.com>
---
 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);
-- 
1.7.1



^ permalink raw reply related	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2013-09-09  6:12 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-09-09  3:27 [PATCH 2/2] mm/cleanup: use pfn_to_nid() instead of page_to_nid(pfn_to_page()) Xishi Qiu
2013-09-09  6:11 ` Yasuaki Ishimatsu

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox