diff options
| -rw-r--r-- | include/linux/freezer.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/freezer.h b/include/linux/freezer.h index c9435252e8e4..1045ee9c0bb4 100644 --- a/include/linux/freezer.h +++ b/include/linux/freezer.h @@ -63,8 +63,10 @@ static inline int thaw_process(struct task_struct *p) */ static inline void frozen_process(struct task_struct *p) { - p->flags |= PF_FROZEN; - wmb(); + if (!unlikely(p->flags & PF_NOFREEZE)) { + p->flags |= PF_FROZEN; + wmb(); + } clear_tsk_thread_flag(p, TIF_FREEZE); } |