Re: [PATCH v5 1/5] mm,memory_hotplug: Allocate memmap from the added memory range

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On Thu, Mar 25, 2021 at 12:08:43PM +0100, David Hildenbrand wrote:
> As I said, having soemthing like
> memory_block_online()/memory_block_offline() could be one way to tackle it.
> We only support onlining/offlining of memory blocks and I ripped out all
> code that was abusing online_pages/offline_pages ...
> 
> So have memory_block_online() call online_pages() and do the accounting of
> the vmemmap, with a big fat comment that sections are actually set
> online/offline in online_pages/offline_pages(). Could be a simple cleanup on
> top of this series ...

I overlooked this in your previous reply.
Yes, this looks like a middle-ground compromise and something I would
definitely pick over the other options.

If there is a consensus that that is the most straightforward way to go, I
could try to code that up to see how it looks so we all have an idea.

Thanks!

-- 
Oscar Salvador
SUSE L3




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