On 7/29/19 11:49 AM, Dario Faggioli wrote:
> cpumask_weight() is known to be expensive. In Credit2, we use it in
> load-balancing, but only for knowing how many CPUs are active in a
> runqueue.
>
> Keeping such count in an integer field of the per-runqueue data
> structure we have, completely avoi
On 29.07.19 13:49, Dario Faggioli wrote:
cpumask_weight() is known to be expensive. In Credit2, we use it in
load-balancing, but only for knowing how many CPUs are active in a
runqueue.
Keeping such count in an integer field of the per-runqueue data
structure we have, completely avoids the nee
cpumask_weight() is known to be expensive. In Credit2, we use it in
load-balancing, but only for knowing how many CPUs are active in a
runqueue.
Keeping such count in an integer field of the per-runqueue data
structure we have, completely avoids the need for cpumask_weight().
While there, remove