On Sat, 13 Apr 2024, Jianfeng Wang wrote:

>>>>>> kmem_cache_shrink() will explicitly sort the partial lists to put the
>>>>>> partial pages in that order.
>>>>>>
>
> Realized that I’d do "echo 1 > /sys/kernel/slab/dentry/shrink” to sort the list explicitly.
> After that, the numbers become:
> N = 10000 -> diff = 7.1 %
> N = 20000 -> diff = 5.7 %
> N = 25000 -> diff = 5.4 %
> So, expecting ~5-7% difference after shrinking.

That still looks ok to me.