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    SubjectRe: [PATCH RFC 3/3] slub: reparent memcg caches' slabs on memcg offline
    On Thu, 15 May 2014, Vladimir Davydov wrote:

    > I admit that's far not perfect, because kfree is really a hot path,
    > where every byte of code matters, but unfortunately I don't see how we
    > can avoid this in case we want slab re-parenting.

    Do we even know that all objects in that slab belong to a certain cgroup?
    AFAICT the fastpath currently do not allow to make that distinction.

    > Again, I'd like to hear from you if there is any point in moving in this
    > direction, or I should give up and concentrate on some other approach,
    > because you'll never accept it.

    I wish you would find some other way to do this.



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