---

yaml
---
r: 164424
b: refs/heads/master
c: 7103ad3
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 35451beecbd7c86ce3249d543594517a5fe9a0cd
+refs/heads/master: 7103ad323b1ae32bedc3267402117e2f8b45e48d

trunk/mm/mremap.c

@@ -175,6 +175,7 @@ static unsigned long move_vma(struct vm_area_struct *vma,
 	unsigned long excess = 0;
 	unsigned long hiwater_vm;
 	int split = 0;
+	int err;
 
 	/*
 	 * We'd prefer to avoid failure later on in do_munmap:
@@ -190,9 +191,10 @@ static unsigned long move_vma(struct vm_area_struct *vma,
 	 * pages recently unmapped.  But leave vma->vm_flags as it was,
 	 * so KSM can come around to merge on vma and new_vma afterwards.
 	 */
-	if (ksm_madvise(vma, old_addr, old_addr + old_len,
-						MADV_UNMERGEABLE, &vm_flags))
-		return -ENOMEM;
+	err = ksm_madvise(vma, old_addr, old_addr + old_len,
+						MADV_UNMERGEABLE, &vm_flags);
+	if (err)
+		return err;
 
 	new_pgoff = vma->vm_pgoff + ((old_addr - vma->vm_start) >> PAGE_SHIFT);
 	new_vma = copy_vma(&vma, new_addr, new_len, new_pgoff);