---

yaml --- r: 88394 b: refs/heads/master c: 0e04388 h: refs/heads/master v: v3
git-mirror · Apr 18, 2008 · 9fd4c31 · 9fd4c31
1 parent f8fca13
commit 9fd4c31
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4b119e21d0c66c22e8ca03df05d9de623d0eb50f
+refs/heads/master: 0e04388f0189fa1f6812a8e1cb6172136eada87e
diff --git a/trunk/kernel/cgroup.c b/trunk/kernel/cgroup.c
@@ -1722,7 +1722,12 @@ void cgroup_enable_task_cg_lists(void)
 	use_task_css_set_links = 1;
 	do_each_thread(g, p) {
 		task_lock(p);
-		if (list_empty(&p->cg_list))
+		/*
+		 * We should check if the process is exiting, otherwise
+		 * it will race with cgroup_exit() in that the list
+		 * entry won't be deleted though the process has exited.
+		 */
+		if (!(p->flags & PF_EXITING) && list_empty(&p->cg_list))
 			list_add(&p->cg_list, &p->cgroups->tasks);
 		task_unlock(p);
 	} while_each_thread(g, p);