futex: correctly return -EFAULT not -EINVAL

[linux-2.6] / kernel / sched_fair.c

diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 2f16e15c022ca169013c6c62b9f946a2c0111a57..c33f0ceb3de9a64dc43538f7d9427c89a4b98eeb 100644 (file)
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -351,6 +351,12 @@ static void update_curr(struct cfs_rq *cfs_rq)
 
        __update_curr(cfs_rq, curr, delta_exec);
        curr->exec_start = now;
+
+       if (entity_is_task(curr)) {
+               struct task_struct *curtask = task_of(curr);
+
+               cpuacct_charge(curtask, delta_exec);
+       }
 }
 
 static inline void
@@ -793,8 +799,9 @@ static void dequeue_task_fair(struct rq *rq, struct task_struct *p, int sleep)
  */
 static void yield_task_fair(struct rq *rq)
 {
-       struct cfs_rq *cfs_rq = task_cfs_rq(rq->curr);
-       struct sched_entity *rightmost, *se = &rq->curr->se;
+       struct task_struct *curr = rq->curr;
+       struct cfs_rq *cfs_rq = task_cfs_rq(curr);
+       struct sched_entity *rightmost, *se = &curr->se;
 
        /*
         * Are we the only task in the tree?
@@ -802,7 +809,7 @@ static void yield_task_fair(struct rq *rq)
        if (unlikely(cfs_rq->nr_running == 1))
                return;
 
-       if (likely(!sysctl_sched_compat_yield)) {
+       if (likely(!sysctl_sched_compat_yield) && curr->policy != SCHED_BATCH) {
                __update_rq_clock(rq);
                /*
                 * Update run-time statistics of the 'current'.