1 files changed, 3 insertions, 1 deletions

diff --git a/mm/memory.c b/mm/memory.c
index adeac306610f..e229970e4223 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -118,6 +118,8 @@ __setup("norandmaps", disable_randmaps);
 unsigned long zero_pfn __read_mostly;
 unsigned long highest_memmap_pfn __read_mostly;
 
+EXPORT_SYMBOL(zero_pfn);
+
 /*
  * CONFIG_MMU architectures set up ZERO_PAGE in their paging_init()
  */
@@ -1125,7 +1127,7 @@ again:
                                                 addr) != page->index) {
                                 pte_t ptfile = pgoff_to_pte(page->index);
                                 if (pte_soft_dirty(ptent))
-                                        pte_file_mksoft_dirty(ptfile);
+                                        ptfile = pte_file_mksoft_dirty(ptfile);
                                 set_pte_at(mm, addr, pte, ptfile);
                         }
                         if (PageAnon(page))