On Mon, May 13, 2019 at 2:02 PM Mike Rapoport <r...@linux.ibm.com> wrote:
>
> Hi Dan,
>
> On Mon, May 06, 2019 at 04:39:26PM -0700, Dan Williams wrote:
> > Changes since v7 [1]:
>
> Sorry for jumping late

No worries, it needs to be rebased on David's "mm/memory_hotplug:
Factor out memory block device handling" series which puts it firmly
in v5.3 territory.

> but presuming there will be v9, it'd be great if it
> would also include include updates to
> Documentation/admin-guide/mm/memory-hotplug.rst and

If I've done my job right this series should be irrelevant to
Documentation/admin-guide/mm/memory-hotplug.rst. The subsection
capability is strictly limited to arch_add_memory() users that never
online the memory, i.e. only ZONE_DEVICE / devm_memremap_pages()
users. So this isn't "memory-hotplug" as much as it is "support for
subsection vmemmap management".

> Documentation/vm/memory-model.rst

This looks more fitting and should probably include a paragraph on the
general ZONE_DEVICE / devm_memremap_pages() use case.

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