2007-08-24 08:24:25

by Sven-Thorsten Dietrich

Subject: [PATCH RT] - trivial branch in scheduler.

Hi Ingo,

the trivial code is in various RT patches as well as in 2.6.23-rc git's
scheduler.

Thanks

Sven

Remove trivial conditional branch in Linux RT CFS
scheduler's can_migrate_task function.

signed-off-by: Sven-Thorsten Dietrich <[email protected]>

Index: linux-2.6.22/kernel/sched.c
===================================================================
--- linux-2.6.22.orig/kernel/sched.c
+++ linux-2.6.22/kernel/sched.c
@@ -2603,12 +2603,6 @@ int can_migrate_task(struct task_struct
if (task_running(rq, p))
return 0;

- /*
- * Aggressive migration if too many balance attempts have failed:
- */
- if (sd->nr_balance_failed > sd->cache_nice_tries)
- return 1;
-
return 1;
}

2007-08-24 08:32:47

by Ingo Molnar

Subject: Re: [PATCH RT] - trivial branch in scheduler.

* Sven-Thorsten Dietrich <[email protected]> wrote:

>
> Hi Ingo,
>
> the trivial code is in various RT patches as well as in 2.6.23-rc git's
> scheduler.
>
> Thanks
>
> Sven
>
> Remove trivial conditional branch in Linux RT CFS
> scheduler's can_migrate_task function.
>
> signed-off-by: Sven-Thorsten Dietrich <[email protected]>

thanks, applied.

Ingo