> The concern is likely/unlikely usage is proper in this code peice.
> If we don't use memory isolation, the code path is used for only
> MIGRATE_RESERVE which is very rare allocation in normal workload.
>
> Even, in memory isolation environement, I'm not sure how many
> CMA/HOTPLUG is used compared to normal alloc/free.
> So, I think below is more proper?
>
> if (unlikely(migratetype >= MIGRATE_PCPTYPES)) {
> if (is_migrate_isolate(migratetype) || is_migrate_cma(migratetype))
>
> I know it's an another topic but I'd like to disucss it in this time because
> we will forget such trivial thing later, again.
I completely agree with this.
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