diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 9205d3dd4..0397bbb79 100755
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -1568,6 +1568,8 @@ static int pagemap_pmd_range(pmd_t *pmdp, unsigned long addr, unsigned long end,
 		}
 #endif
 
+		if (page && !PageAnon(page))
+			flags |= PM_FILE;
 		if (page && !migration && page_mapcount(page) == 1)
 			flags |= PM_MMAP_EXCLUSIVE;