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SubjectRe: [PATCH 1/3] sched, balancing: Update rq->max_idle_balance_cost whenever newidle balance is attempted
On Fri, Apr 25, 2014 at 12:54:14PM -0700, Jason Low wrote:
> Preeti mentioned that sd->balance_interval is changed during load_balance().
> Should we also consider updating the interval in rebalance_domains() after
> calling load_balance(),

Yeah, that might make sense.

> and also taking max_load_balance_interval into account
> in the updates for next_balance in idle_balance()?

I was thinking that max_load_balance_interval thing was mostly about the
*busy_factor thing, but sure, can't hurt to be consistent and always do
it.

> If so, how about the something like the below change which also introduces
> get_sd_balance_interval() to obtain the sd's balance interval, and have both
> update_next_balance() and rebalance_domains() use that function.

Yes, that looks good.

Can you send it with a proper changelog?


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