1 files changed, 5 insertions, 0 deletions

diff --git a/mm/mincore.c b/mm/mincore.c
index 95c5f49f0a1a..9780097e3812 100644
--- a/mm/mincore.c
+++ b/mm/mincore.c
@@ -116,8 +116,13 @@ static long do_mincore(unsigned long addr, unsigned char *vec, unsigned long pag
                                 /* migration entries are always uptodate */
                                 present = 1;
                         } else {
+#ifdef CONFIG_SWAP
                                 pgoff = entry.val;
                                 present = mincore_page(&swapper_space, pgoff);
+#else
+                                WARN_ON(1);
+                                present = 1;
+#endif
                         }
                 }
         }