Re: [PATCH v3] sched: balance_cpu to consider other cpus in its group as target of (pinned) task

[Prashanth Nageshappa <prashanth@linux.vnet.ibm.com>]

On 06/21/2012 09:53 AM, Srivatsa Vaddagiri wrote:

> * Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com> [2012-06-21 09:10:59]:
> 
>> Hmm ..I can see loop_break being incremented here:
>>
>>                 /* take a breather every nr_migrate tasks */
>>                 if (env->loop > env->loop_break) {
>>                         env->loop_break += sched_nr_migrate_break;
> 
> One possibility is to reset env->loop here, rather than loop_break, in
> which case loop_break can remain constant across "redos" and
> "more_balances"

We cannot do this as env->loop is compared with env->loop_max. So, I
believe resetting env->loop_break along with env->loop before "redos"
and "more_balances" is the right thing to do.

- Prashanth