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Date: Tue, 17 Jul 2018 13:46:43 -0700 (PDT)
From: David Rientjes <rientjes@google.com>
Subject: Re: [PATCH] mm/page_alloc: Deprecate kernelcore=nn and
 movable_core=
In-Reply-To: <20180717131837.18411-1-bhe@redhat.com>
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To: Baoquan He <bhe@redhat.com>
Cc: mhocko@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org, corbet@lwn.net, linux-doc@vger.kernel.org

On Tue, 17 Jul 2018, Baoquan He wrote:

> We can still use 'kernelcore=mirror' or 'movable_node' for the usage
> of hotplug and movable zone. If somebody shows up with a valid usecase
> we can reconsider.
> 

We actively use kernelcore=n%, I had recently added support for the option 
in the first place in 4.17.  It's certainly not deprecated.

commit a5c6d6509342785bef53bf9508e1842b303f1878
Author: David Rientjes <rientjes@google.com>
Date:   Thu Apr 5 16:23:09 2018 -0700

    mm, page_alloc: extend kernelcore and movablecore for percent