Re: [PATCH v3 1/8] sched/topology: Compute sd_weight considering cpuset partitions

[Chen, Yu C]

On 1/20/2026 7:32 PM, K Prateek Nayak wrote:
> The "sd_weight" used for calculating the load balancing interval, and
> its limits, considers the span weight of the entire topology level
> without accounting for cpuset partitions.
>
> Compute the "sd_weight" after computing the "sd_span" considering the
> cpu_map covered by the partition, and set the load balancing interval,
> and its limits accordingly.
>
> Fixes: cb83b629bae03 ("sched/numa: Rewrite the CONFIG_NUMA sched domain support")
> Signed-off-by: K Prateek Nayak <kprateek.nayak@xxxxxxx>
> ---

This not only fixes the issue for periodic load balancer
but also nohz balance because it gives a correct value for nr_busy_cpus
so from my understanding,

Reviewed-by: Chen Yu <yu.c.chen@xxxxxxxxx>

thanks,
Chenyu