diff -upr libcgroup-0.40.rc1.orig/src/api.c libcgroup-0.40.rc1/src/api.c
--- libcgroup-0.40.rc1.orig/src/api.c	2013-09-26 10:28:26.150422000 +0200
+++ libcgroup-0.40.rc1/src/api.c	2013-09-26 13:33:20.439405038 +0200
@@ -3140,7 +3140,8 @@ int cgroup_change_all_cgroups(void)
 		if (err)
 			continue;
 
-		err = cgroup_change_cgroup_flags(euid, egid, procname, pid, 0);
+		err = cgroup_change_cgroup_flags(euid, egid,
+				procname, pid, CGFLAG_USECACHE);
 		if (err)
 			cgroup_dbg("cgroup change pid %i failed\n", pid);
 	}