Signed-off-by: Cody P Schafer <c...@linux.vnet.ibm.com>
---
include/linux/mmzone.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index fc859a0c..41557be 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -716,6 +716,9 @@ typedef struct pglist_data {
* or node_spanned_pages stay constant. Holding this will also
* guarantee that any pfn_valid() stays that way.
*
+ * pgdat_resize_lock() and pgdat_resize_unlock() are provided to
+ * manipulate node_size_lock without checking for CONFIG_MEMORY_HOTPLUG.
+ *
* Nests above zone->lock and zone->span_seqlock
*/
spinlock_t node_size_lock;
--
1.8.2.2
--
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