From 3bb0c446eed9317fbe7c6361025ebd0ba6730961 Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Thu, 25 Aug 2011 09:47:18 +1000
Subject: [PATCH 1/1] Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Hugh
 Dickins <hughd@google.com> Cc: Johannes Weiner <jweiner@redhat.com> Cc: Mel
 Gorman <mgorman@suse.de> Cc: Rik van Riel <riel@redhat.com> Signed-off-by:
 Andrew Morton <akpm@linux-foundation.org>

---
 mm/huge_memory.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index b975dc1db24f..fffab174f3e7 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1072,7 +1072,7 @@ int move_huge_pmd(struct vm_area_struct *vma, struct vm_area_struct *new_vma,
 	 * The destination pmd shouldn't be established, free_pgtables()
 	 * should have release it.
 	 */
-	if (!WARN_ON(pmd_none(*new_pmd))) {
+	if (WARN_ON(!pmd_none(*new_pmd))) {
 		VM_BUG_ON(pmd_trans_huge(*new_pmd));
 		goto out;
 	}
-- 
2.39.2