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    SubjectRe: memcg: cat: memory.memsw.* : Operation not supported
    Hello, KAME.

    On Thu, Jun 28, 2012 at 01:04:16PM +0900, Kamezawa Hiroyuki wrote:
    > >I still wish it's folded into CONFIG_MEMCG and conditionalized just on
    > >CONFIG_SWAP tho.
    > >
    >
    > In old days, memsw controller was not very stable. So, we devided the config.
    > And, it makes size of memory for swap-device double (adds 2bytes per swapent.)
    > That is the problem.

    I see. Do you think it's now reasonable to drop the separate config
    option? Having memcg enabled but swap unaccounted sounds half-broken
    to me.

    > IIRC...at that time, we made decision, cgroup has no feature to
    > 'create files dynamically'. Then, we made it in static, decision was done
    > at compile time and ignores "do_swap_account".
    >
    > Now, IIUC, we have the feature. So, it's may be a time to create the file
    > with regard to "do_swap_account", making decision at boot time.

    Heh, yeah, maybe I'm confused about how it happened. Anyways, let's
    get it fixed.

    Thanks!

    --
    tejun


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