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    SubjectRe: increased vmap_area_lock contentions on "n_tty: Move buffers into n_tty_data"
    On Fri, Sep 13, 2013 at 08:51:33AM +0800, Fengguang Wu wrote:
    > Hi Peter,
    >
    > FYI, we noticed much increased vmap_area_lock contentions since this
    > commit:

    What does that mean? What is happening, are we allocating/removing more
    memory now?

    What type of load were you running that showed this problem?

    thanks,

    greg k-h


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