---

yaml --- r: 118768 b: refs/heads/master c: 2002c69 h: refs/heads/master v: v3
git-mirror · Nov 11, 2008 · 4d76200 · 4d76200
1 parent 9446297
commit 4d76200
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Showing 2 changed files with 13 additions and 6 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ad474caca3e2a0550b7ce0706527ad5ab389a4d4
+refs/heads/master: 2002c69595a092518107f7e3c1294c9710bc92ae
diff --git a/trunk/kernel/sched_fair.c b/trunk/kernel/sched_fair.c
@@ -716,6 +716,15 @@ enqueue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int wakeup)
 		__enqueue_entity(cfs_rq, se);
 }
 
+static void clear_buddies(struct cfs_rq *cfs_rq, struct sched_entity *se)
+{
+	if (cfs_rq->last == se)
+		cfs_rq->last = NULL;
+
+	if (cfs_rq->next == se)
+		cfs_rq->next = NULL;
+}
+
 static void
 dequeue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int sleep)
 {
@@ -738,11 +747,7 @@ dequeue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int sleep)
 #endif
 	}
 
-	if (cfs_rq->last == se)
-		cfs_rq->last = NULL;
-
-	if (cfs_rq->next == se)
-		cfs_rq->next = NULL;
+	clear_buddies(cfs_rq, se);
 
 	if (se != cfs_rq->curr)
 		__dequeue_entity(cfs_rq, se);
@@ -977,6 +982,8 @@ static void yield_task_fair(struct rq *rq)
 	if (unlikely(cfs_rq->nr_running == 1))
 		return;
 
+	clear_buddies(cfs_rq, se);
+
 	if (likely(!sysctl_sched_compat_yield) && curr->policy != SCHED_BATCH) {
 		update_rq_clock(rq);
 		/*