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@xxxxxxxxxx>
Date: Thu Apr 5 16:23:09 2018 -0700
mm, page_alloc: extend kernelcore and movablecore for percent
