On Sun, Dec 08, 2013 at 02:14:51PM +0800, Wanpeng Li wrote:
> Adjust numa_scan_period in task_numa_placement, depending on how much useful
> work the numa code can do. The local faults and remote faults should be used
> to check if there is record hinting faults instead of local faults and shared
> faults. This patch fix it.
>
> Signed-off-by: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx>
Looks good to me.
Reviewed-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
> ---
> kernel/sched/fair.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> index b077f1b3..942e67b 100644
> --- a/kernel/sched/fair.c
> +++ b/kernel/sched/fair.c
> @@ -1322,7 +1322,7 @@ static void update_task_scan_period(struct task_struct *p,
> * completely idle or all activity is areas that are not of interest
> * to automatic numa balancing. Scan slower
> */
> - if (local + shared == 0) {
> + if (local + remote == 0) {
> p->numa_scan_period = min(p->numa_scan_period_max,
> p->numa_scan_period << 1);
>
> --
> 1.7.5.4
>
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