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    SubjectRe: [RFC PATCH 0/5] memcg: VM overcommit accounting and handling
    KAMEZAWA Hiroyuki wrote:
    > On Tue, 10 Jun 2008 01:32:58 +0200
    > Andrea Righi <righi.andrea@gmail.com> wrote:
    >
    >> Provide distinct cgroup VM overcommit accounting and handling using the memory
    >> resource controller.
    >>
    >
    > Could you explain the benefits of this even when we have memrlimit controller ?
    > (If unsure, see 2.6.26-rc5-mm1 and search memrlimit controller.)
    >
    > And this kind of virtual-address-handling things should be implemented on
    > memrlimit controller (means not on memory-resource-controller.).
    > It seems this patch doesn't need to handle page_group.
    >
    > Considering hierarchy, putting several kinds of features on one controller is
    > not good, I think. Balbir, how do you think ?
    >

    I would tend to agree. With the memrlimit controller, can't we do this in user
    space now? Figure out the overcommit value and based on that setup the memrlimit?


    --
    Warm Regards,
    Balbir Singh
    Linux Technology Center
    IBM, ISTL


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