---

yaml --- r: 118905 b: refs/heads/master c: 6874467 h: refs/heads/master i: 118903: 404bb1e v: v3
git-mirror · Nov 13, 2008 · c86c22b · c86c22b
1 parent 9897b95
commit c86c22b
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Showing 2 changed files with 7 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0bcb6069a6e1af5c114a2a8873ec43ada8933596
+refs/heads/master: 687446760bd008df96655cb8c5900f8e48a7118c
diff --git a/trunk/kernel/cgroup_freezer.c b/trunk/kernel/cgroup_freezer.c
@@ -184,9 +184,13 @@ static void freezer_fork(struct cgroup_subsys *ss, struct task_struct *task)
 {
 	struct freezer *freezer;
 
-	task_lock(task);
+	/*
+	 * No lock is needed, since the task isn't on tasklist yet,
+	 * so it can't be moved to another cgroup, which means the
+	 * freezer won't be removed and will be valid during this
+	 * function call.
+	 */
 	freezer = task_freezer(task);
-	task_unlock(task);
 
 	spin_lock_irq(&freezer->lock);
 	BUG_ON(freezer->state == CGROUP_FROZEN);