summaryrefslogtreecommitdiff
path: root/kernel/sched/membarrier.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/sched/membarrier.c')
-rw-r--r--kernel/sched/membarrier.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/kernel/sched/membarrier.c b/kernel/sched/membarrier.c
index aac329258af0..f223f3590b8f 100644
--- a/kernel/sched/membarrier.c
+++ b/kernel/sched/membarrier.c
@@ -126,12 +126,11 @@ static int membarrier_global_expedited(void)
continue;
/*
- * Skip the CPU if it runs a kernel thread. The scheduler
- * leaves the prior task mm in place as an optimization when
- * scheduling a kthread.
+ * Skip the CPU if it runs a kernel thread which is not using
+ * a task mm.
*/
p = rcu_dereference(cpu_rq(cpu)->curr);
- if (p->flags & PF_KTHREAD)
+ if (!p->mm)
continue;
__cpumask_set_cpu(cpu, tmpmask);