On 10/07/2013 06:29 AM, Mel Gorman wrote: > This patch replaces find_idlest_cpu_node with task_numa_find_cpu. > find_idlest_cpu_node has two critical limitations. It does not take the > scheduling class into account when calculating the load and it is unsuitable > for using when comparing loads between NUMA nodes. > > task_numa_find_cpu uses similar load calculations to wake_affine() when > selecting the least loaded CPU within a scheduling domain common to the > source and destimation nodes. It avoids causing CPU load imbalances in > the machine by refusing to migrate if the relative load on the target > CPU is higher than the source CPU. > > Signed-off-by: Peter Zijlstra <pet...@infradead.org> > Signed-off-by: Mel Gorman <mgor...@suse.de>
Reviewed-by: Rik van Riel <r...@redhat.com> -- All rights reversed -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
