Re: [PATCH V5 - Rebased] mm/hotplug: Reorder memblock_[free|remove]() calls in try_remove_memory()

From: Anshuman Khandual
Date: Thu Jun 13 2019 - 12:50:54 EST




On 06/13/2019 07:24 AM, Andrew Morton wrote:
> On Wed, 12 Jun 2019 08:53:33 +0200 David Hildenbrand <david@xxxxxxxxxx> wrote:
>
>>>>> ...
>>>>>
>>>>>
>>>>> - Rebased on linux-next (next-20190611)
>>>>
>>>> Yet the patch you've prepared is designed for 5.3. Was that
>>>> deliberate, or should we be targeting earlier kernels?
>>>
>>> It was deliberate for 5.3 as a preparation for upcoming reworked arm64 hot-remove.
>>>
>>
>> We should probably add to the patch description something like "This is
>> a preparation for arm64 memory hotremove. The described issue is not
>> relevant on other architectures."
>
> Please. And is there any reason to merge it separately? Can it be
> [patch 1/3] in the "arm64/mm: Enable memory hot remove" series?

Sure it can be. I will make this [patch 1/3] in the next version for
"arm64/mm: Enable memory hot remove". Apologies for the noise here.