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

put this back - we'll use it later.

Cc: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/mlock.c |    1 +
 1 file changed, 1 insertion(+)

diff -puN mm/mlock.c~mlock-mlocked-pages-are-unevictable-fix-fix mm/mlock.c
--- a/mm/mlock.c~mlock-mlocked-pages-are-unevictable-fix-fix
+++ a/mm/mlock.c
@@ -262,6 +262,7 @@ static int __munlock_pmd_handler(pmd_t *
 static void __munlock_vma_pages_range(struct vm_area_struct *vma,
 			      unsigned long start, unsigned long end)
 {
+	struct mm_struct *mm = vma->vm_mm;
 	struct munlock_page_walk mpw = {
 		.vma = vma,
 	};
_