diff --git a/fs/aio.c b/fs/aio.c
index 5f577a6..ee20fc4 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -599,9 +599,6 @@
  *	by the calling kernel thread
  *	(Note: this routine is intended to be called only
  *	from a kernel thread context)
- *
- * Comments: Called with ctx->ctx_lock held. This nests
- * task_lock instead ctx_lock.
  */
 static void unuse_mm(struct mm_struct *mm)
 {
@@ -850,14 +847,16 @@
 {
 	struct kioctx *ctx = container_of(work, struct kioctx, wq.work);
 	mm_segment_t oldfs = get_fs();
+	struct mm_struct *mm;
 	int requeue;
 
 	set_fs(USER_DS);
 	use_mm(ctx->mm);
 	spin_lock_irq(&ctx->ctx_lock);
 	requeue =__aio_run_iocbs(ctx);
- 	unuse_mm(ctx->mm);
+	mm = ctx->mm;
 	spin_unlock_irq(&ctx->ctx_lock);
+ 	unuse_mm(mm);
 	set_fs(oldfs);
 	/*
 	 * we're in a worker thread already, don't use queue_delayed_work,