!1548 mm: memcontrol: fix cannot alloc the maximum memcg ID

Merge Pull Request from: @ci-robot 
 
PR sync from: Lu Jialin <lujialin4@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/IEFAD56CINP4C7F25QETI2JXGD3QOHWH/ 
 
https://gitee.com/openeuler/kernel/issues/I7NXZ6?from=project-issue 
 
Link:https://gitee.com/openeuler/kernel/pulls/1548

 

Reviewed-by: Jialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>