Messages in this thread Patch in this message | | | From | "Michael J. Wang" <> | Subject | [RESEND PATCH v2 1/1] scheduler: minor improvement to pick_next_highest_task_rt in linux-3.3 | Date | Wed, 21 Mar 2012 07:52:57 +0000 |
| |
From: Michael J Wang <mjwang@broadcom.com>
Avoid extra work by skipping rt_rq's whose max prio is equal to next->prio
Signed-off-by: Michael J Wang <mjwang@broadcom.com>
---
--- linux-3.3/kernel/sched/rt.c.orig 2012-03-18 16:15:34.000000000 -0700 +++ linux-3.3/kernel/sched/rt.c 2012-03-19 14:52:54.585391702 -0700 @@ -1403,7 +1403,7 @@ next_idx: if (idx >= MAX_RT_PRIO) continue; - if (next && next->prio < idx) + if (next && next->prio <= idx) continue; list_for_each_entry(rt_se, array->queue + idx, run_list) { struct task_struct *p;
| |