Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[pandora-kernel.git] / kernel / sched / core.c

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 75badda..b46131e 100644 (file)
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1108,6 +1108,7 @@ int migrate_swap(struct task_struct *cur, struct task_struct *p)
        if (!cpumask_test_cpu(arg.src_cpu, tsk_cpus_allowed(arg.dst_task)))
                goto out;
 
+       trace_sched_swap_numa(cur, arg.src_cpu, p, arg.dst_cpu);
        ret = stop_two_cpus(arg.dst_cpu, arg.src_cpu, migrate_swap_stop, &arg);
 
 out:
@@ -1769,7 +1770,29 @@ void set_numabalancing_state(bool enabled)
        numabalancing_enabled = enabled;
 }
 #endif /* CONFIG_SCHED_DEBUG */
-#endif /* CONFIG_NUMA_BALANCING */
+
+#ifdef CONFIG_PROC_SYSCTL
+int sysctl_numa_balancing(struct ctl_table *table, int write,
+                        void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+       struct ctl_table t;
+       int err;
+       int state = numabalancing_enabled;
+
+       if (write && !capable(CAP_SYS_ADMIN))
+               return -EPERM;
+
+       t = *table;
+       t.data = &state;
+       err = proc_dointvec_minmax(&t, write, buffer, lenp, ppos);
+       if (err < 0)
+               return err;
+       if (write)
+               set_numabalancing_state(state);
+       return err;
+}
+#endif
+#endif
 
 /*
  * fork()/clone()-time setup:
@@ -4324,7 +4347,9 @@ SYSCALL_DEFINE2(sched_rr_get_interval, pid_t, pid,
                goto out_unlock;
 
        rq = task_rq_lock(p, &flags);
-       time_slice = p->sched_class->get_rr_interval(rq, p);
+       time_slice = 0;
+       if (p->sched_class->get_rr_interval)
+               time_slice = p->sched_class->get_rr_interval(rq, p);
        task_rq_unlock(rq, p, &flags);
 
        rcu_read_unlock();
@@ -4603,6 +4628,7 @@ int migrate_task_to(struct task_struct *p, int target_cpu)
 
        /* TODO: This is not properly updating schedstats */
 
+       trace_sched_move_numa(p, curr_cpu, target_cpu);
        return stop_one_cpu(curr_cpu, migration_cpu_stop, &arg);
 }
 
@@ -7852,15 +7878,14 @@ static int __cfs_schedulable(struct task_group *tg, u64 period, u64 quota)
        return ret;
 }
 
-static int cpu_stats_show(struct cgroup_subsys_state *css, struct cftype *cft,
-               struct cgroup_map_cb *cb)
+static int cpu_stats_show(struct seq_file *sf, void *v)
 {
-       struct task_group *tg = css_tg(css);
+       struct task_group *tg = css_tg(seq_css(sf));
        struct cfs_bandwidth *cfs_b = &tg->cfs_bandwidth;
 
-       cb->fill(cb, "nr_periods", cfs_b->nr_periods);
-       cb->fill(cb, "nr_throttled", cfs_b->nr_throttled);
-       cb->fill(cb, "throttled_time", cfs_b->throttled_time);
+       seq_printf(sf, "nr_periods %d\n", cfs_b->nr_periods);
+       seq_printf(sf, "nr_throttled %d\n", cfs_b->nr_throttled);
+       seq_printf(sf, "throttled_time %llu\n", cfs_b->throttled_time);
 
        return 0;
 }
@@ -7914,7 +7939,7 @@ static struct cftype cpu_files[] = {
        },
        {
                .name = "stat",
-               .read_map = cpu_stats_show,
+               .seq_show = cpu_stats_show,
        },
 #endif
 #ifdef CONFIG_RT_GROUP_SCHED