sh: sh-rtc wakeup support

[linux-2.6-omap-h63xx.git] / kernel / sched.c

diff --git a/kernel/sched.c b/kernel/sched.c
index c3baa9653d1dbf20f8539afcad9702ab2414a13b..8e2558c2ba67be440ef7bcb2d95ff8138c806404 100644 (file)
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -9224,6 +9224,16 @@ static int sched_rt_global_constraints(void)
 
        return ret;
 }
+
+int sched_rt_can_attach(struct task_group *tg, struct task_struct *tsk)
+{
+       /* Don't accept realtime tasks when there is no way for them to run */
+       if (rt_task(tsk) && tg->rt_bandwidth.rt_runtime == 0)
+               return 0;
+
+       return 1;
+}
+
 #else /* !CONFIG_RT_GROUP_SCHED */
 static int sched_rt_global_constraints(void)
 {
@@ -9317,8 +9327,7 @@ cpu_cgroup_can_attach(struct cgroup_subsys *ss, struct cgroup *cgrp,
                      struct task_struct *tsk)
 {
 #ifdef CONFIG_RT_GROUP_SCHED
-       /* Don't accept realtime tasks when there is no way for them to run */
-       if (rt_task(tsk) && cgroup_tg(cgrp)->rt_bandwidth.rt_runtime == 0)
+       if (!sched_rt_can_attach(cgroup_tg(cgrp), tsk))
                return -EINVAL;
 #else
        /* We don't support RT-tasks being in separate groups */