On 2013/2/26 21:26, Tejun Heo wrote:

Hello,

On Tue, Feb 26, 2013 at 2:25 AM, Li Zefan [off-list ref] wrote:

quoted

Sure we can. We'll have to allocate cgrp->name in cgroup_remount() and
cgroup_init(), and free cgrp->name in cgroup_kill_sb(). It looks to me
the current version is a bit simpler.

Can't we just set it to constant "/"?  Root cgroup init is a separate
path anyway.

Well, cgrp->name is a pointer to struct cgroup_name.

At first I tried to declare cgrp->name as char *, and use container_of()
to get struct cgroup_name, but it didn't result in simpler code.

So seems there's no way that is a pure win over another.