---

yaml --- r: 245580 b: refs/heads/master c: a8e4f2e h: refs/heads/master v: v3
git-mirror · Apr 14, 2011 · 8bb4dfd · 8bb4dfd
1 parent 3b40d2c
commit 8bb4dfd
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Showing 3 changed files with 6 additions and 13 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3fe1698b7fe05aeb063564e71e40d09f28d8e80c
+refs/heads/master: a8e4f2eaecc9bfa4954adf79a04f4f22fddd829c
diff --git a/trunk/include/linux/sched.h b/trunk/include/linux/sched.h
@@ -1273,6 +1273,7 @@ struct task_struct {
 
 	/* Revert to default priority/policy when forking */
 	unsigned sched_reset_on_fork:1;
+	unsigned sched_contributes_to_load:1;
 
 	pid_t pid;
 	pid_t tgid;

diff --git a/trunk/kernel/sched.c b/trunk/kernel/sched.c
@@ -2519,18 +2519,7 @@ static int try_to_wake_up(struct task_struct *p, unsigned int state,
 	if (unlikely(task_running(rq, p)))
 		goto out_activate;
 
-	/*
-	 * In order to handle concurrent wakeups and release the rq->lock
-	 * we put the task in TASK_WAKING state.
-	 *
-	 * First fix up the nr_uninterruptible count:
-	 */
-	if (task_contributes_to_load(p)) {
-		if (likely(cpu_online(orig_cpu)))
-			rq->nr_uninterruptible--;
-		else
-			this_rq()->nr_uninterruptible--;
-	}
+	p->sched_contributes_to_load = !!task_contributes_to_load(p);
 	p->state = TASK_WAKING;
 
 	if (p->sched_class->task_waking) {
@@ -2555,6 +2544,9 @@ static int try_to_wake_up(struct task_struct *p, unsigned int state,
 	WARN_ON(task_cpu(p) != cpu);
 	WARN_ON(p->state != TASK_WAKING);
 
+	if (p->sched_contributes_to_load)
+		rq->nr_uninterruptible--;
+
 out_activate:
 #endif /* CONFIG_SMP */
 	ttwu_activate(rq, p, en_flags);