lkml.org 
[lkml]   [2010]   [Oct]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH 4/4] sched: force balancing on newidle balance if local group has capacity
On Fri, Oct 15, 2010 at 5:08 AM, Peter Zijlstra <peterz@infradead.org> wrote:
> On Wed, 2010-10-13 at 12:09 -0700, Nikhil Rao wrote:
>> @@ -2824,6 +2845,10 @@ find_busiest_group(struct sched_domain *sd, int
>> this_cpu,
>>         if (!sds.busiest || sds.busiest_nr_running == 0)
>>                 goto out_balanced;
>>
>> +       /*  SD_BALANCE_NEWIDLE trumps SMP nice when underutilized */
>> +       if (idle == CPU_NEWLY_IDLE && check_utilization(&sds))
>> +               goto force_balance;
>
>
> There's a large comment a few lines up from here that tries to explain
> all these funny reasons for not balancing, that wants updating too.
>

Will do.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2010-10-15 18:23    [W:0.217 / U:0.100 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site