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    SubjectRe: Android low memory killer vs. memory pressure notifications
    (12/19/11 5:39 AM), Alan Cox wrote:
    >> The main downside of this approach is that mem_cg needs 20 bytes per
    >> page (on a 32 bit machine). So on a 32 bit machine with 4K pages
    >> that's approx. 0.5% of RAM, or, in other words, 5MB on a 1GB machine.
    > The obvious question would be why? Would fixing memcg make more sense ?

    Just historical reason. Initial memcg implement by IBM was just crap.
    People need very long time to fix it.

    > The only problem I see with having a user space manager is that manager
    > probably has to be mlock to avoid awkward fail cases and that may in fact
    > make it smaller kernel side.

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      Last update: 2011-12-19 17:19    [W:0.044 / U:73.048 seconds]
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