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SubjectRe: [PATCH v2 2/2] cgroups: add an nproc subsystem
Hello, Li.

On Mon, Mar 09, 2015 at 09:49:45AM +0800, Zefan Li wrote:
> Seems we are going to accept this feature. Is it because kmemcg won't be able
> to fullfill this requirement? And that's because kmemcg can only and will only

Yeah, pretty much.

> be able to control global kernel memory usage?

I'm not sure what you mean by global kernel memory usage.

> I thought there will be some control file like kmem.pids.max, which will
> translate the number of processes to the kernel memory needed, and fail memory
> allocation if we reach the limit, for example make task_struct slab return
> NULL.

Hmm... I don't think so. memcg will only be concerned with actual
memory in bytes.

Thanks.

--
tejun


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