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    SubjectRe: [patch] restore sched_exec load balance heuristics
    Ken Chen wrote:

    > There are two callers to sched_balance_self(). In the sched_fork
    > path, sched_balance_self will balance the newly forked task. I think
    > it is OK to bounce a newly forked task to another CPU since current
    > CPU will be busy when fork returns in the parent process.

    What about vfork()?

    > And if sched_balance_self() needs to different between fork / exec
    > load balance, it has to check a flag from function argument, which I
    > think it is better to just short circuit in sched_exec() directly.

    From a cleanliness perspective, it make more sense to me for the
    decision as to whether or not to balance to be done in the "balance"
    function, not the "exec" function.


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      Last update: 2008-11-06 21:53    [W:0.018 / U:1.348 seconds]
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