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Date:   Mon, 12 Apr 2021 09:19:41 +0200
From:   Oscar Salvador <osalvador@suse.de>
To:     David Hildenbrand <david@redhat.com>
Cc:     Dave Hansen <dave.hansen@linux.intel.com>, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org, shy828301@gmail.com,
        weixugc@google.com, rientjes@google.com, ying.huang@intel.com,
        dan.j.williams@intel.com
Subject: Re: [PATCH 03/10] mm/migrate: update node demotion order during on
 hotplug events
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On Fri, Apr 09, 2021 at 08:59:21PM +0200, David Hildenbrand wrote:
 
> The only way to add more System RAM is via add_memory() and friends like
> add_memory_driver_managed(). These all require CONFIG_MEMORY_HOTPLUG.

Yeah, my point was more towards whether PMEM can come in a way that it does
not have to be hotplugged, but come functional by default (as RAM).
But after having read all papers out there, I do not think that it is possible.

-- 
Oscar Salvador
SUSE L3