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    SubjectRe: [PATCH V3] nommu: add anonymous page memcg accounting
    On Thu, 21 Oct 2010 07:28:08 -0500
    "Steven J. Magnani" <steve@digidescorp.com> wrote:

    > Add the necessary calls to track VM anonymous page usage (only).
    >
    > V3 changes:
    > * Use vma->vm_mm instead of current->mm when charging pages, for clarity
    > * Document that reclaim is not possible with only anonymous page accounting
    > so the OOM-killer is invoked when a limit is exceeded
    > * Add TODO to implement file cache (reclaim) support or optimize away
    > page_cgroup->lru
    >
    > V2 changes:
    > * Added update of memory cgroup documentation
    > * Clarify use of 'file' to distinguish anonymous mappings
    >
    > Signed-off-by: Steven J. Magnani <steve@digidescorp.com>

    Thanks,

    Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>

    BTW, have you tried oom_notifier+NOMMU memory limit oom-killer ?
    It may be a chance to implement a custom OOM-Killer in userland on
    EMBEDED systems.

    Thanks,
    -Kame



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