[PATCH 3/4] mmzone: note that node_size_lock should be manipulated via pgdat_resize_lock()

From: Cody P Schafer
Date: Wed May 01 2013 - 18:17:49 EST


Signed-off-by: Cody P Schafer <cody@xxxxxxxxxxxxxxxxxx>
---
include/linux/mmzone.h | 2 ++
1 file changed, 2 insertions(+)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index afd0aa5..45be383 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -716,6 +716,8 @@ typedef struct pglist_data {
* or node_spanned_pages stay constant. Holding this will also
* guarantee that any pfn_valid() stays that way.
*
+ * Use pgdat_resize_lock() and pgdat_resize_unlock() to manipulate.
+ *
* Updaters of any of these fields also must hold
* lock_memory_hotplug().
*
--
1.8.2.2

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