diff --git a/[refs] b/[refs]
index 06c8383425b3..cb26c07babae 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 664d22ab954de54e52e0f71103a89c7a78738adc
+refs/heads/master: 118c71bcacce82a4317c9bd99c6a15af14020aee
diff --git a/trunk/mm/memory_hotplug.c b/trunk/mm/memory_hotplug.c
index 431a64f021c0..f6d4af8af8a8 100644
--- a/trunk/mm/memory_hotplug.c
+++ b/trunk/mm/memory_hotplug.c
@@ -104,7 +104,7 @@ static void grow_pgdat_span(struct pglist_data *pgdat,
 		pgdat->node_start_pfn = start_pfn;
 
 	if (end_pfn > old_pgdat_end_pfn)
-		pgdat->node_spanned_pages = end_pfn - pgdat->node_spanned_pages;
+		pgdat->node_spanned_pages = end_pfn - pgdat->node_start_pfn;
 }
 
 int online_pages(unsigned long pfn, unsigned long nr_pages)