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    SubjectRe: [PATCH v2 04/11] kmem accounting basic infrastructure
    On Wed 15-08-12 16:53:40, Glauber Costa wrote:
    > >>> This doesn't check for the hierachy so kmem_accounted might not be in
    > >>> sync with it's parents. mem_cgroup_create (below) needs to copy
    > >>> kmem_accounted down from the parent and the above needs to check if this
    > >>> is a similar dance like mem_cgroup_oom_control_write.
    > >>>
    > >>
    > >> I don't see why we have to.
    > >>
    > >> I believe in a A/B/C hierarchy, C should be perfectly able to set a
    > >> different limit than its parents. Note that this is not a boolean.
    > >
    > > Ohh, I wasn't clear enough. I am not against setting the _limit_ I just
    > > meant that the kmem_accounted should be consistent within the hierarchy.
    > >
    > If a parent of yours is accounted, you get accounted as well. This is
    > not the state in this patch, but gets added later. Isn't this enough ?

    But if the parent is not accounted, you can set the children to be
    accounted, right? Or maybe this is changed later in the series? I didn't
    get to the end yet.
    Michal Hocko
    SUSE Labs

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      Last update: 2012-08-15 16:02    [W:0.022 / U:19.776 seconds]
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