Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-s…

…ched * git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: sched: group scheduler, set uid share fix
git-mirror · Jan 22, 2008 · b2214fc · b2214fc
2 parents 00e1077 + c61935f
commit b2214fc
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/kernel/sched.c b/kernel/sched.c
@@ -7153,6 +7153,14 @@ int sched_group_set_shares(struct task_group *tg, unsigned long shares)
 {
 	int i;
 
+	/*
+	 * A weight of 0 or 1 can cause arithmetics problems.
+	 * (The default weight is 1024 - so there's no practical
+	 *  limitation from this.)
+	 */
+	if (shares < 2)
+		shares = 2;
+
 	spin_lock(&tg->lock);
 	if (tg->shares == shares)
 		goto done;