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SubjectRe: [PATCH 05/17] cgroup: cgroup->dentry isn't a RCU pointer
On 11/14/2012 10:55 PM, Tejun Heo wrote:
> Hello, Glauber.
>
> On Wed, Nov 14, 2012 at 03:05:46PM +0400, Glauber Costa wrote:
>> Will memcontrol.c need similar amendments?
>>
>> The code that lives in -mm and includes kmemcg includes the following
>> excerpt:
>>
>> rcu_read_lock();
>> dentry = rcu_dereference(memcg->css.cgroup->dentry);
>> rcu_read_unlock();
>
> Ooh, yeah, hmmm... that should happen after this series gets merged.
> I'll mark it as pending.
>
> Thanks.
>
Btw: I did this because there is no other facility to figure out a
memcg's "name".

I wonder if there is anyone else using this, so we could just abstract
that in cgroup.c?



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