* [PATCH] [3/3] sched: increase ksoftirqd priority
@ 2007-04-19 15:03 Con Kolivas
0 siblings, 0 replies; only message in thread
From: Con Kolivas @ 2007-04-19 15:03 UTC (permalink / raw)
To: linux kernel mailing list, Andrew Morton, ck list
More aggressive nice discrimination by the Staircase-Deadline cpu scheduler
means ksoftirqd is getting significantly less cpu than previously. Adjust
nice value accordingly for similar cpu distribution.
Signed-off-by: Con Kolivas <kernel@kolivas.org>
---
kernel/softirq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6.21-rc7-sd/kernel/softirq.c
===================================================================
--- linux-2.6.21-rc7-sd.orig/kernel/softirq.c 2007-04-20 00:30:08.000000000 +1000
+++ linux-2.6.21-rc7-sd/kernel/softirq.c 2007-04-20 00:30:31.000000000 +1000
@@ -488,7 +488,7 @@ void __init softirq_init(void)
static int ksoftirqd(void * __bind_cpu)
{
- set_user_nice(current, 19);
+ set_user_nice(current, 15);
current->flags |= PF_NOFREEZE;
set_current_state(TASK_INTERRUPTIBLE);
--
-ck
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2007-04-19 15:03 [PATCH] [3/3] sched: increase ksoftirqd priority Con Kolivas
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