Re:Re:Re: [PATCH] mm: remove the redundancy code

[苏辉]

I did not find bug here, and i was just confused when I saw the code.<br/>Thanks.
At 2020-06-30 10:06:55, "David Rientjes" <rientjes@xxxxxxxxxx> wrote:
>On Tue, 30 Jun 2020, 苏辉 wrote:
>
>> I am sorry that i did not consider the memory hotplug case,
>> and i think we should add a new param to distinguish two different cases.
>> 
>
>No need, we can simply continue setting zone->zone_start_pfn unless there 
>is a bug to be fixed (and, if so, please send a bug report).  Removing it 
>would not improve anything and would only increase risk.