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    SubjectRe: [RFC][PATCH] memcg soft limit (yet another new design) v1
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    Balbir Singh wrote:
    > * KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> [2009-03-27
    > 13:59:33]:

    >> When vm.swappiness = 60 => 60MB of memory are swapped out from B.
    >> When vm.swappiness = 10 => 1MB of memory are swapped out from B
    >>
    >> If no soft limit, 350MB of swap out will happen from B.(swapiness=60)
    >>
    >
    > How did you calculate the swap usage of group B?
    >
    memsory.memsw.usage_in_bytes - memory.usage_in_bytes.

    >> I'll try much more complexed ones in the weekend.
    >
    > You might want to try experiments where the group with the higher soft
    > limit starts much later than the group with lower soft limit and both
    > have a high demand for memory. Also try corner cases such as soft
    > limits being 0, or groups where soft limits are equal, etc.
    >
    thx, good input. maybe I need some hook in "set soft limit" path.

    > We have a long weekend, so I've been unable to test/review your
    > patches. I'll do so soon if possible.
    >
    thank you.
    -Kame

    > --
    > Balbir
    >




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