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authorOleg Nesterov <oleg@redhat.com>2010-03-30 18:58:29 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2010-09-20 13:18:04 -0700
commit20b622cd1f1a7f557f1587524c75e72f10d8193e (patch)
tree4c856508066e7a0ad912eb61f6a56e57f4917efa /kernel/sched.c
parent4b3d9e7ce5a9e6409df1512127feb9973df1ea57 (diff)
sched: set_cpus_allowed_ptr(): Don't use rq->migration_thread after unlock
commit 47a70985e5c093ae03d8ccf633c70a93761d86f2 upstream 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> Signed-off-by: Mike Galbraith <efault@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'kernel/sched.c')
-rw-r--r--kernel/sched.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index c02db4b77d9f..92cf8db23767 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -7273,7 +7273,7 @@ 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);