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authorOleg Nesterov <oleg@redhat.com>2010-03-30 18:58:29 +0200
committerIngo Molnar <mingo@elte.hu>2010-04-02 20:11:05 +0200
commit47a70985e5c093ae03d8ccf633c70a93761d86f2 (patch)
treecabda69d97cd880d9b3de382d41b6b7736575a8f /kernel
parent269484a492d9177072ee11ec8c9bff71d256837a (diff)
downloadop-kernel-dev-47a70985e5c093ae03d8ccf633c70a93761d86f2.zip
op-kernel-dev-47a70985e5c093ae03d8ccf633c70a93761d86f2.tar.gz
sched: set_cpus_allowed_ptr(): Don't use rq->migration_thread after unlock
Trivial typo fix. rq->migration_thread can be NULL after task_rq_unlock(), this is why we have "mt" which should be used instead. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <20100330165829.GA18284@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 49d2fa7..528a105 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -5387,7 +5387,7 @@ int set_cpus_allowed_ptr(struct task_struct *p, const struct cpumask *new_mask)
get_task_struct(mt);
task_rq_unlock(rq, &flags);
- wake_up_process(rq->migration_thread);
+ wake_up_process(mt);
put_task_struct(mt);
wait_for_completion(&req.done);
tlb_migrate_finish(p->mm);
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