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[PATCH] sched: fix the all pinned logic in load_balance_newidle()

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nr_moved is not the correct check for triggering all pinned logic. Fix
the all pinned logic in the case of load_balance_newidle().

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Suresh Siddha 2007-07-19 21:28:35 +02:00 committed by Ingo Molnar
parent 9439aab8db
commit 969bb4e403
1 changed files with 4 additions and 2 deletions
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6
kernel/sched.c
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@ -2679,6 +2679,7 @@ load_balance_newidle(int this_cpu, struct rq *this_rq, struct sched_domain *sd)
unsigned long imbalance;
int nr_moved = 0;
int sd_idle = 0;
int all_pinned = 0;
cpumask_t cpus = CPU_MASK_ALL;
/*
@ -2717,10 +2718,11 @@ load_balance_newidle(int this_cpu, struct rq *this_rq, struct sched_domain *sd)
double_lock_balance(this_rq, busiest);
nr_moved = move_tasks(this_rq, this_cpu, busiest,
minus_1_or_zero(busiest->nr_running),
imbalance, sd, CPU_NEWLY_IDLE, NULL);
imbalance, sd, CPU_NEWLY_IDLE,
&all_pinned);
spin_unlock(&busiest->lock);
if (!nr_moved) {
if (unlikely(all_pinned)) {
cpu_clear(cpu_of(busiest), cpus);
if (!cpus_empty(cpus))
goto redo;