Re: [PATCH v7 8/8] sched: idle_balance() does not call load_balance_newidle()

[Balbir Singh <balbir@linux.vnet.ibm.com>]

* Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com> [2008-12-18 23:26:59]:

> load_balance_newidle() does not get called if SD_BALANCE_NEWIDLE
> is set at higher level domain (3-CPU) and not in low level domain
> (2-MC).
> 
> pulled_task is initialised to -1 and checked for non-zero which
> is always true if the lowest level sched_domain does not have
> SD_BALANCE_NEWIDLE flag set.
> 
> Trivial fix to initialise pulled_task to zero.
> 
> This patch has been queued for 2.6.29
> http://lkml.org/lkml/2008/12/8/213
> 
> Signed-off-by: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
> ---
> 
>  kernel/sched.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/kernel/sched.c b/kernel/sched.c
> index f82a7a0..e6a88bf 100644
> --- a/kernel/sched.c
> +++ b/kernel/sched.c
> @@ -3773,7 +3773,7 @@ out_balanced:
>  static void idle_balance(int this_cpu, struct rq *this_rq)
>  {
>  	struct sched_domain *sd;
> -	int pulled_task = -1;
> +	int pulled_task = 0;
>  	unsigned long next_balance = jiffies + HZ;
>  	cpumask_t tmpmask;
>

Isn't this already in Ingo's patch queue? 

-- 
	Balbir