From: Andrew Morton <akpm@linux-foundation.org>

build fix

Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/vmscan.c |    2 ++
 1 file changed, 2 insertions(+)

diff -puN mm/vmscan.c~mm-only-vmscan-noreclaim-lru-scan-sysctl-fix mm/vmscan.c
--- a/mm/vmscan.c~mm-only-vmscan-noreclaim-lru-scan-sysctl-fix
+++ a/mm/vmscan.c
@@ -2400,6 +2400,7 @@ static void show_page_path(struct page *
 		       dentry_path(dentry, buf, 256), pgoff);
 		spin_unlock(&mapping->i_mmap_lock);
 	} else {
+#ifdef CONFIG_MM_OWNER
 		struct anon_vma *anon_vma;
 		struct vm_area_struct *vma;
 
@@ -2413,6 +2414,7 @@ static void show_page_path(struct page *
 			break;
 		}
 		page_unlock_anon_vma(anon_vma);
+#endif
 	}
 }
 
_