* [PATCH] - Initialize sched domain table
@ 2004-07-23 1:02 Jack Steiner
2004-07-23 3:20 ` Nick Piggin
2004-07-23 5:39 ` Ingo Molnar
0 siblings, 2 replies; 3+ messages in thread
From: Jack Steiner @ 2004-07-23 1:02 UTC (permalink / raw)
To: mingo; +Cc: linux-ia64, linux-kernel
Here is a trivial patch that is required to boot the latest 2.6.7 tree
on the SGI 512p system.
Initial the busy_factor in the sched_domain_init table.
Otherwise, booting hangs doing excessive load balance
operations.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Index: linux/kernel/sched.c
===================================================================
--- linux.orig/kernel/sched.c
+++ linux/kernel/sched.c
@@ -3922,6 +3922,7 @@ void __init sched_init(void)
sched_domain_init.groups = &sched_group_init;
sched_domain_init.last_balance = jiffies;
sched_domain_init.balance_interval = INT_MAX; /* Don't balance */
+ sched_domain_init.busy_factor = 1;
memset(&sched_group_init, 0, sizeof(struct sched_group));
sched_group_init.cpumask = CPU_MASK_ALL;
--
Thanks
Jack Steiner (steiner@sgi.com) 651-683-5302
Principal Engineer SGI - Silicon Graphics, Inc.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] - Initialize sched domain table
2004-07-23 1:02 [PATCH] - Initialize sched domain table Jack Steiner
@ 2004-07-23 3:20 ` Nick Piggin
2004-07-23 5:39 ` Ingo Molnar
1 sibling, 0 replies; 3+ messages in thread
From: Nick Piggin @ 2004-07-23 3:20 UTC (permalink / raw)
To: Jack Steiner, Andrew Morton; +Cc: mingo, linux-ia64, linux-kernel
Jack Steiner wrote:
> Here is a trivial patch that is required to boot the latest 2.6.7 tree
> on the SGI 512p system.
>
> Initial the busy_factor in the sched_domain_init table.
> Otherwise, booting hangs doing excessive load balance
> operations.
>
> Signed-off-by: Jack Steiner <steiner@sgi.com>
>
Thanks. Andrew please apply.
>
>
> Index: linux/kernel/sched.c
> ===================================================================
> --- linux.orig/kernel/sched.c
> +++ linux/kernel/sched.c
> @@ -3922,6 +3922,7 @@ void __init sched_init(void)
> sched_domain_init.groups = &sched_group_init;
> sched_domain_init.last_balance = jiffies;
> sched_domain_init.balance_interval = INT_MAX; /* Don't balance */
> + sched_domain_init.busy_factor = 1;
>
> memset(&sched_group_init, 0, sizeof(struct sched_group));
> sched_group_init.cpumask = CPU_MASK_ALL;
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] - Initialize sched domain table
2004-07-23 1:02 [PATCH] - Initialize sched domain table Jack Steiner
2004-07-23 3:20 ` Nick Piggin
@ 2004-07-23 5:39 ` Ingo Molnar
1 sibling, 0 replies; 3+ messages in thread
From: Ingo Molnar @ 2004-07-23 5:39 UTC (permalink / raw)
To: Jack Steiner; +Cc: linux-ia64, linux-kernel, Andrew Morton
* Jack Steiner <steiner@sgi.com> wrote:
> Here is a trivial patch that is required to boot the latest 2.6.7 tree
> on the SGI 512p system.
>
> Initial the busy_factor in the sched_domain_init table.
> Otherwise, booting hangs doing excessive load balance
> operations.
>
> Signed-off-by: Jack Steiner <steiner@sgi.com>
looks good.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Ingo
^ permalink raw reply [flat|nested] 3+ messages in thread
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2004-07-23 3:20 ` Nick Piggin
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