Re: [PATCH v6 08/10] mm/memory_hotplug: Don't check for "all holes" in shrink_zone_span()

From: David Hildenbrand
Date: Tue Feb 04 2020 - 04:20:29 EST


On 04.02.20 10:13, Oscar Salvador wrote:
> On Sun, Oct 06, 2019 at 10:56:44AM +0200, David Hildenbrand wrote:
>> If we have holes, the holes will automatically get detected and removed
>> once we remove the next bigger/smaller section. The extra checks can
>> go.
>>
>> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
>> Cc: Oscar Salvador <osalvador@xxxxxxx>
>> Cc: Michal Hocko <mhocko@xxxxxxxx>
>> Cc: David Hildenbrand <david@xxxxxxxxxx>
>> Cc: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>
>> Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
>> Cc: Wei Yang <richardw.yang@xxxxxxxxxxxxxxx>
>> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>
>
> Heh, I have been here before.
> I have to confess that when I wrote my version of this I was not really 100%
> about removing it, because hotplug was a sort of a "catchall" for all sort of weird
> and corner-cases configurations, but thinking more about it, I cannot think of
> any situation that would make this blow up.
>
> Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>

Thanks for your review Oscar!

--
Thanks,

David / dhildenb