linux-kernel - Re:Re:Re: [PATCH] mm: remove the redundancy code

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Message-ID: <7f0c652d.19a2.17303165991.Coremail.sh_def@163.com>
Date:   Tue, 30 Jun 2020 10:37:43 +0800 (CST)
From:   苏辉 <sh_def@....com>
To:     "David Rientjes" <rientjes@...gle.com>
Cc:     "Mike Rapoport" <rppt@...nel.org>, akpm@...ux-foundation.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re:Re:Re: [PATCH] mm: remove the redundancy code

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@...gle.com> 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.