sched: Assume *balance is valid
Since all load_balance() callers will have !NULL balance parameters we can now assume so and remove a few checks. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -2465,7 +2465,7 @@ static inline void update_sg_lb_stats(struct sched_domain *sd,
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* to do the newly idle load balance.
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* to do the newly idle load balance.
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*/
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*/
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if (idle != CPU_NEWLY_IDLE && local_group &&
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if (idle != CPU_NEWLY_IDLE && local_group &&
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balance_cpu != this_cpu && balance) {
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balance_cpu != this_cpu) {
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*balance = 0;
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*balance = 0;
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return;
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return;
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}
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}
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@ -2528,7 +2528,7 @@ static inline void update_sd_lb_stats(struct sched_domain *sd, int this_cpu,
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update_sg_lb_stats(sd, group, this_cpu, idle, load_idx, sd_idle,
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update_sg_lb_stats(sd, group, this_cpu, idle, load_idx, sd_idle,
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local_group, cpus, balance, &sgs);
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local_group, cpus, balance, &sgs);
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if (local_group && balance && !(*balance))
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if (local_group && !(*balance))
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return;
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return;
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sds->total_load += sgs.group_load;
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sds->total_load += sgs.group_load;
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@ -2720,7 +2720,7 @@ find_busiest_group(struct sched_domain *sd, int this_cpu,
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* 5) The imbalance is within the specified limit.
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* 5) The imbalance is within the specified limit.
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* 6) Any rebalance would lead to ping-pong
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* 6) Any rebalance would lead to ping-pong
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*/
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*/
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if (balance && !(*balance))
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if (!(*balance))
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goto ret;
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goto ret;
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if (!sds.busiest || sds.busiest_nr_running == 0)
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if (!sds.busiest || sds.busiest_nr_running == 0)
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