[Devel] Re: [PATCH v3 19/28] slab: per-memcg accounting of slab caches

Tue May 29 09:07:09 PDT 2012

On 05/29/2012 06:52 PM, Christoph Lameter wrote:
> On Fri, 25 May 2012, Glauber Costa wrote:
>
>> >  This patch charges allocation of a slab object to a particular
>> >  memcg.
> Ok so a requirement is to support tracking of individual slab
> objects to cgroups? That is going to be quite expensive since it will
> touch the hotpaths.
>

No, we track pages. But all the objects in the page belong to the same 
cgroup.