diff --git a/[refs] b/[refs]
index b0350070d0f3..4a62296535fe 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a2c8990aed5ab000491732b07c8c4465d1b389b8
+refs/heads/master: a539f3533b78e39a22723d6d3e1e11b6c14454d9
diff --git a/trunk/include/linux/mmzone.h b/trunk/include/linux/mmzone.h
index d7152002e18d..217bcf6bca77 100644
--- a/trunk/include/linux/mmzone.h
+++ b/trunk/include/linux/mmzone.h
@@ -956,6 +956,9 @@ static inline unsigned long early_pfn_to_nid(unsigned long pfn)
 #define pfn_to_section_nr(pfn) ((pfn) >> PFN_SECTION_SHIFT)
 #define section_nr_to_pfn(sec) ((sec) << PFN_SECTION_SHIFT)
 
+#define SECTION_ALIGN_UP(pfn)	(((pfn) + PAGES_PER_SECTION - 1) & PAGE_SECTION_MASK)
+#define SECTION_ALIGN_DOWN(pfn)	((pfn) & PAGE_SECTION_MASK)
+
 struct page;
 struct page_cgroup;
 struct mem_section {