Re: [PATCH 5/8] mm: memcontrol: account socket memory on unified hierarchy

From: David Miller
Date: Fri Oct 23 2015 - 09:43:40 EST


From: Michal Hocko <mhocko@xxxxxxxxxx>
Date: Fri, 23 Oct 2015 15:19:56 +0200

> On Thu 22-10-15 00:21:33, Johannes Weiner wrote:
>> Socket memory can be a significant share of overall memory consumed by
>> common workloads. In order to provide reasonable resource isolation
>> out-of-the-box in the unified hierarchy, this type of memory needs to
>> be accounted and tracked per default in the memory controller.
>
> What about users who do not want to pay an additional overhead for the
> accounting? How can they disable it?

Yeah, this really cannot pass.

This extra overhead will be seen by %99.9999 of users, since entities
(especially distributions) just flip on all of these config options by
default.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/