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Date: Tue, 7 Jul 2026 16:36:41 +0300
From: Mike Rapoport <rppt@kernel.org>
To: Robin Murphy <robin.murphy@arm.com>
Cc: Will Deacon <will@kernel.org>,
	Thierry Reding <thierry.reding@kernel.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
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Subject: Re: [PATCH v3 04/11] arm64/mm: Add set_memory_device() and
 set_memory_normal()
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In-Reply-To: <b0a1bdd7-46ab-4025-8775-c9273892444e@arm.com>

On Tue, Jul 07, 2026 at 02:17:29PM +0100, Robin Murphy wrote:
> 
> Given the precedent of memblock_mark_nomap(), as long as the reusable
> reserved-memory regions also get split into distinct memblocks, then it
> seems like in principle we ought to be able to give them a new
> MEMBLOCK_PTEMAP (or whatever) flag which could then be picked up in
> map_mem() without needing to override force_pte_mapping() globally?

Please don't. _nomap() caused enough pain.
 
> Cheers,
> Robin.

-- 
Sincerely yours,
Mike.