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SubjectRe: [PATCH] mm/page_alloc: Deprecate kernelcore=nn and movable_core=
On 07/17/18 at 01:46pm, David Rientjes wrote:
> 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.

Thanks for telling. Just for curiosity, could you tell the scenario you
are using kernelcore=n%? Since it evenly spread movable area on nodes,
we may not be able to physically hot unplug/plug RAM.

Thanks
Baoquan

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