Re: [PATCH v2 14/19] sched/numa: Updation of scan period need not be in lock

[Mel Gorman]

On Wed, Jun 20, 2018 at 10:32:55PM +0530, Srikar Dronamraju wrote:
> The metrics for updating scan periods are local or task specific.
> Currently this updation happens under numa_group lock which seems
> unnecessary. Hence move this updation outside the lock.
> 
> Running SPECjbb2005 on a 4 node machine and comparing bops/JVM
> JVMS  LAST_PATCH  WITH_PATCH  %CHANGE
> 16    25355.9     25645.4     1.141
> 1     72812       72142       -0.92
> 
> Reviewed-by: Rik van Riel <riel@xxxxxxxxxxx>
> Signed-off-by: Srikar Dronamraju <srikar@xxxxxxxxxxxxxxxxxx>

Acked-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>

-- 
Mel Gorman
SUSE Labs