is CONFIG_MEMCG mandatory for snappy?

[Yann Sionneau]

Le 03/30/2016 05:20 PM, Jamie Strandboge a écrit :
> On Wed, 2016-03-30 at 15:23 +0200, Paolo Pisati wrote:
>> CONFIG_MEMCG is required per lxc documentation (see lxc-checkconfig),
>> i don't know if it's strictly required for Ubuntu Core, but i'll let
>> Jamie answer that.
>>
> CONFIG_MEMCG isn't currently required for launching apps on Ubuntu Core itself
> and looking at classic/*, it shouldn't break 'shell classic' either (the classic
> shell isn't using lxc but is instead using systemd-run to run a shell in a
> chroot).
>
> The lxd and docker both have support for memory cgroups and these snaps are
> likely to break.
Ok, thanks for the heads-up!
>
>> On Tue, Mar 29, 2016 at 6:32 PM, Yann Sionneau <yann.sionneau at parrot.com>
>> wrote:
>>> Hi,
>>>
>>> I can see CONFIG_MEMCG is enabled in Snappy kernels:
>>> http://kernel.ubuntu.com/git/ppisati/ubuntu-vivid.git/tree/arch/arm/configs/
>>> snappy/lxc.config?h=snappy_v3.18&id=68e464017f7b0d00388689f70bb571ce96ef2659
>>> #n15
>>>
>>> From the arch/arm/configs/snappy/lxc.config
>>>
>>> Is it only mandatory for the classic shell (using lxc)? Or is it also
>>> mandatory for normal Snappy behaviour?
>>> What would break without this?
>>>
>>> Thanks!
>>>
>>> Regards,
>>>
>>> --
>>> Yann
>>>
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>>