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>
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index de5ab12..0b482f5 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -2465,7 +2465,7 @@
* to do the newly idle load balance.
*/
if (idle != CPU_NEWLY_IDLE && local_group &&
- balance_cpu != this_cpu && balance) {
+ balance_cpu != this_cpu) {
*balance = 0;
return;
}
@@ -2528,7 +2528,7 @@
update_sg_lb_stats(sd, group, this_cpu, idle, load_idx, sd_idle,
local_group, cpus, balance, &sgs);
- if (local_group && balance && !(*balance))
+ if (local_group && !(*balance))
return;
sds->total_load += sgs.group_load;
@@ -2720,7 +2720,7 @@
* 5) The imbalance is within the specified limit.
* 6) Any rebalance would lead to ping-pong
*/
- if (balance && !(*balance))
+ if (!(*balance))
goto ret;
if (!sds.busiest || sds.busiest_nr_running == 0)