diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2011-11-04 20:48:36 +0100 |
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committer | Clark Williams <williams@redhat.com> | 2012-03-24 10:26:54 -0500 |
commit | 9e0226f4e473e46b7362ef373d1131613a55d9ff (patch) | |
tree | bdbcba2e67228c390b1fa7b28c705b987479037c /kernel | |
parent | c867ae48d390c58386503f3592f1027d032fd601 (diff) |
sched-clear-pf-thread-bound-on-fallback-rq.patch
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/sched.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 51c0ad657663..81b340df601e 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -2570,7 +2570,12 @@ static int select_fallback_rq(int cpu, struct task_struct *p) printk(KERN_INFO "process %d (%s) no longer affine to cpu%d\n", task_pid_nr(p), p->comm, cpu); } - + /* + * Clear PF_THREAD_BOUND, otherwise we wreckage + * migrate_disable/enable. See optimization for + * PF_THREAD_BOUND tasks there. + */ + p->flags &= ~PF_THREAD_BOUND; return dest_cpu; } |