Re: [PATCH] mm/page_alloc: increase default min_free_kbytes bound

[Mike Kravetz]

On 2/20/20 7:01 AM, Joel Savitz wrote:
> 
> Further work to make the calculation of vm.min_free_kbytes more
> consistent throughout the kernel would be desirable.
> 
> As an example of the inconsistency of the current method, this value is
> recalculated by init_per_zone_wmark_min() in the case of memory hotplug
> which will override the value set by set_recommended_min_free_kbytes()
> called during khugepaged initialization even if khugepaged remains
> enabled, however an on/off toggle of khugepaged will then recalculate
> and set the value via set_recommended_min_free_kbytes().

I took a shot at fixing some of those inconsistencies.

https://lore.kernel.org/linux-mm/20200210190121.10670-1-mike.kravetz@xxxxxxxxxx/
-- 
Mike Kravetz