diff --git a/[refs] b/[refs]
index 743ca63f0275..01e6bc5d8c0a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8b1bde93175182d7c11d9a1230b2210a5815e747
+refs/heads/master: 1f6818b90dbb887261c616a318733703ed526f0a
diff --git a/trunk/include/linux/mmzone.h b/trunk/include/linux/mmzone.h
index 7e4ae6ab1977..34cbefd2ebde 100644
--- a/trunk/include/linux/mmzone.h
+++ b/trunk/include/linux/mmzone.h
@@ -98,7 +98,7 @@ struct per_cpu_pageset {
 
 /*
  * On machines where it is needed (eg PCs) we divide physical memory
- * into multiple physical zones. On a PC we have 4 zones:
+ * into multiple physical zones. On a 32bit PC we have 4 zones:
  *
  * ZONE_DMA	  < 16 MB	ISA DMA capable memory
  * ZONE_DMA32	     0 MB 	Empty