From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750915Ab3CAGhO (ORCPT ); Fri, 1 Mar 2013 01:37:14 -0500 Received: from szxga01-in.huawei.com ([119.145.14.64]:60152 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750696Ab3CAGhN (ORCPT ); Fri, 1 Mar 2013 01:37:13 -0500 Message-ID: <51304C6D.8050207@huawei.com> Date: Fri, 1 Mar 2013 14:36:29 +0800 From: Li Zefan User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130215 Thunderbird/17.0.3 MIME-Version: 1.0 To: Tejun Heo CC: Al Viro , LKML , Cgroups Subject: Re: [PATCH 2/3] cgroup: add cgroup_name() API References: <512B01FA.5020506@huawei.com> <512B020D.9040504@huawei.com> <20130226022703.GA13837@htj.dyndns.org> <512C8D84.7090707@huawei.com> <512DE4A8.5050303@huawei.com> <512EFEDF.8080205@huawei.com> In-Reply-To: Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.135.68.215] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2013/2/28 22:49, Tejun Heo wrote: > On Wed, Feb 27, 2013 at 10:53 PM, Li Zefan wrote: >>> static const struct cgroup_name root_cgroup_name = { .name = "/" }; >> >> Can't... That's char name[0] not char *name. > > Flexible array members can be statically initialized. If you wanna be > really anal about it, you can do it manually with a wrapping struct > but I don't think that would be necessary. > I didn't know this difference between flexible array and zero-size array. Thanks.