Commit 47a70985 authored by Oleg Nesterov's avatar Oleg Nesterov Committed by Ingo Molnar

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: default avatarOleg Nesterov <oleg@redhat.com>
Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20100330165829.GA18284@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 269484a4
...@@ -5387,7 +5387,7 @@ int set_cpus_allowed_ptr(struct task_struct *p, const struct cpumask *new_mask) ...@@ -5387,7 +5387,7 @@ int set_cpus_allowed_ptr(struct task_struct *p, const struct cpumask *new_mask)
get_task_struct(mt); get_task_struct(mt);
task_rq_unlock(rq, &flags); task_rq_unlock(rq, &flags);
wake_up_process(rq->migration_thread); wake_up_process(mt);
put_task_struct(mt); put_task_struct(mt);
wait_for_completion(&req.done); wait_for_completion(&req.done);
tlb_migrate_finish(p->mm); tlb_migrate_finish(p->mm);
......
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