Re: [PATCH v2] memcg: first step towards hierarchical controller

Glauber Costa
2012-09-04T14:54:08Z

>> I believe it would be really great to have a way to turn the default
>> to 1 - and stop the shouting.
>
> We already can. You can use /etc/cgconfig (if you are using libcgroup)
> or do it manually.
>
>> Even if you are doing it in OpenSUSE as a patch, an upstream patch means
>> at least that every distribution is using the same patch, and those who
>> rebase will just flip the config.
>>
>> I'd personally believe merging both our patches together would achieve a
>> good result.
>
> I am still not sure we want to add a config option for something that is
> meant to go away. But let's see what others think.
>

So what you propose in the end is that we add a userspace tweak for
something that could go away, instead of a Kconfig for something that go
away.

Way I see it, Kconfig is better because it is totally transparent, under
the hood, and will give us a single location to unpatch in case/when it
really goes away.