On Fri, 22 Jul 2016, Waiman Long wrote: > - Add a new patch to make the percpu head structure cacheline aligned > to prevent cacheline contention from disrupting the performance > of nearby percpu variables.
It would be better not to use the percpu allocation etc for this. Given the frequency of off node data access I would say that the data structure does not qualify as per cpu data. You have per cpu data items yes but this is not used as per cpu data.
