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    SubjectRe: [GIT PULL rcu/next] rcu commits for 2.6.40
    On 05/14/2011 11:34 AM, Paul E. McKenney wrote:
    >> and do the inspection afterwards.
    >
    > And here is a lightly-tested patch, which applies on tip/core/rcu.
    >
    > This problem could account for both the long delays seen with e59fb312
    > (Decrease memory-barrier usage based on semi-formal proof) and the
    > shorter delays seen with a26ac245 (move TREE_RCU from softirq to kthread).

    yes. it fixes the problem.

    for 1024g system when hotadd mem enabled in kernel config

    [ 31.814803] cpu_dev_init done
    [ 35.437163] memory_dev_init done

    even it is with gcc from opensuse 11.3

    Thanks

    Yinghai


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