Re: [PATCH -V4 09/10] memcg: move HugeTLB resource count to parent cgroup on memcg removal

[Aneesh Kumar K.V]

On Mon, 19 Mar 2012 12:04:56 +0900, KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote:
> (2012/03/17 2:39), Aneesh Kumar K.V wrote:
> 
> > From: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
> > 
> > This add support for memcg removal with HugeTLB resource usage.
> > 
> > Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
> 
> 
> seems ok for now.
> 
> Now, Tejun and Costa, and I are discussing removeing -EBUSY from rmdir().
> We're now considering 'if use_hierarchy=false and parent seems full, 
> reclaim all or move charges to the root cgroup.' then -EBUSY will go away.
> 
> Is it accesptable for hugetlb ? Do you have another idea ?
> 

That should work even for hugetlb. 

-aneesh

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