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authorSuresh Siddha <suresh.b.siddha@intel.com>2007-07-19 21:28:35 +0200
committerIngo Molnar <mingo@elte.hu>2007-07-19 21:28:35 +0200
commit969bb4e4032dac67287951d8f6642a3b5119694e (patch)
tree2056749332226e750394001ec29d43514c14d0b6
parent9439aab8dbc33c2c03c3a19dba267360383ba38c (diff)
downloadlinux-linaro-969bb4e4032dac67287951d8f6642a3b5119694e.tar.gz
[PATCH] sched: fix the all pinned logic in load_balance_newidle()
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>
-rw-r--r--kernel/sched.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index e36d99d1ddb..a35a92ff38f 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -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 @@ redo:
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;