Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=969bb4e4032dac67287951d8f6642a3b5119694e
Commit: 969bb4e4032dac67287951d8f6642a3b5119694e
Parent: 9439aab8dbc33c2c03c3a19dba267360383ba38c
Author: Suresh Siddha <[EMAIL PROTECTED]>
AuthorDate: Thu Jul 19 21:28:35 2007 +0200
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Thu Jul 19 21:28:35 2007 +0200
[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 <[EMAIL PROTECTED]>
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
---
kernel/sched.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/kernel/sched.c b/kernel/sched.c
index e36d99d..a35a92f 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;
-
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