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Date:   Fri, 29 Mar 2019 11:38:04 +0800
From:   Wei Yang <>
To:     Thomas Gleixner <>
Cc:     Wei Yang <>,,,,, peterz@...radead.or
Subject: Re: [PATCH 4/6] x86, mm: make split_mem_range() more easy to read

On Thu, Mar 28, 2019 at 09:08:43AM +0100, Thomas Gleixner wrote:
>On Thu, 28 Mar 2019, Wei Yang wrote:
>> On Sun, Mar 24, 2019 at 03:29:04PM +0100, Thomas Gleixner wrote:
>> My question is to the for loop.
>> For example, we have a range
>>        +--+---------+-----------------------+
>>        ^ 128M       1G                      2G
>>    128M - 4K
>Yes. You misread mr_try_map().

You are right, I misunderstand the functionality of mr_try_map().

I went through the code and this looks nice to me. I have to say you are

Thanks for your code and I really learned a lot from this.

BTW, for the test cases, I thinks mem-hotplug may be introduce layout
diversity. Since mem-hotplug's range has to be 128M aligned.

>	tglx

Wei Yang
Help you, Help me

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