Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

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

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

kernel/sched.c

+1 −1
Original line number Diff line number Diff line
@@ -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);