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Diffstat (limited to 'net/sched/sch_htb.c')
-rw-r--r--net/sched/sch_htb.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 795c761ad99f..66148cc4759e 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -711,9 +711,11 @@ static void htb_charge_class(struct htb_sched *q, struct htb_class *cl,
711 */ 711 */
712static psched_time_t htb_do_events(struct htb_sched *q, int level) 712static psched_time_t htb_do_events(struct htb_sched *q, int level)
713{ 713{
714 int i; 714 /* don't run for longer than 2 jiffies; 2 is used instead of
715 715 1 to simplify things when jiffy is going to be incremented
716 for (i = 0; i < 500; i++) { 716 too soon */
717 unsigned long stop_at = jiffies + 2;
718 while (time_before(jiffies, stop_at)) {
717 struct htb_class *cl; 719 struct htb_class *cl;
718 long diff; 720 long diff;
719 struct rb_node *p = rb_first(&q->wait_pq[level]); 721 struct rb_node *p = rb_first(&q->wait_pq[level]);
@@ -731,9 +733,8 @@ static psched_time_t htb_do_events(struct htb_sched *q, int level)
731 if (cl->cmode != HTB_CAN_SEND) 733 if (cl->cmode != HTB_CAN_SEND)
732 htb_add_to_wait_tree(q, cl, diff); 734 htb_add_to_wait_tree(q, cl, diff);
733 } 735 }
734 if (net_ratelimit()) 736 /* too much load - let's continue on next jiffie */
735 printk(KERN_WARNING "htb: too many events !\n"); 737 return q->now + PSCHED_TICKS_PER_SEC / HZ;
736 return q->now + PSCHED_TICKS_PER_SEC / 10;
737} 738}
738 739
739/* Returns class->node+prio from id-tree where classe's id is >= id. NULL 740/* Returns class->node+prio from id-tree where classe's id is >= id. NULL