diff --git a/[refs] b/[refs]
index 76deaeb03f14..33aaffe2250c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 22a860a9e22fa077300e1e72170afb82bf695617
+refs/heads/master: 467bc461d2845f6a04b124bca1ae6ecc554e1ee5
diff --git a/trunk/mm/page_alloc.c b/trunk/mm/page_alloc.c
index d73bfad1c32f..e1028fae3ebb 100644
--- a/trunk/mm/page_alloc.c
+++ b/trunk/mm/page_alloc.c
@@ -3438,7 +3438,7 @@ static void __init_refok alloc_node_mem_map(struct pglist_data *pgdat)
 		mem_map = NODE_DATA(0)->node_mem_map;
 #ifdef CONFIG_ARCH_POPULATES_NODE_MAP
 		if (page_to_pfn(mem_map) != pgdat->node_start_pfn)
-			mem_map -= pgdat->node_start_pfn;
+			mem_map -= (pgdat->node_start_pfn - ARCH_PFN_OFFSET);
 #endif /* CONFIG_ARCH_POPULATES_NODE_MAP */
 	}
 #endif