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Date:   Thu, 8 Oct 2020 16:30:35 +0100 (BST)
From:   "Maciej W. Rozycki" <macro@linux-mips.org>
To:     Serge Semin <fancer.lancer@gmail.com>
cc:     Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
        Hauke Mehrtens <hauke@hauke-m.de>,
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Subject: Re: [PATCH v2] MIPS: replace add_memory_region with memblock
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On Thu, 8 Oct 2020, Serge Semin wrote:

> At least I don't see a decent reason to preserve them. The memory registration
> method does nearly the same sanity checks. The memory reservation function
> defers a bit in adding the being reserved memory first. That seems redundant,
> since the reserved memory won't be available for the system anyway. Do I miss
> something?

 At the very least it serves informational purposes as it shows up in 
/proc/iomem.

  Maciej