Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-drm-fsl-dcu.git] / kernel / fork.c
index 7d5f0f118a6348f81f08f10dd7dbb499f89dd243..2845623fb58264eec28a8b99b48d4511856e718d 100644 (file)
@@ -1149,6 +1149,10 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
        tty_audit_fork(sig);
        sched_autogroup_fork(sig);
 
+#ifdef CONFIG_CGROUPS
+       init_rwsem(&sig->group_rwsem);
+#endif
+
        sig->oom_score_adj = current->signal->oom_score_adj;
        sig->oom_score_adj_min = current->signal->oom_score_adj_min;