On 17.10.20 10:26, Mike Rapoport wrote: > On Fri, Oct 16, 2020 at 07:02:23PM -0700, Sudarshan Rajagopalan wrote: >> Certain architectures such as arm64 doesn't allow boot memory to be >> offlined and removed. Distinguish certain memory sections as >> "hotpluggable" which can be marked by module drivers stating to memory >> hotplug layer that these sections can be offlined and then removed. > > I don't quite follow why marking sections as hotpluggable or not should > be done by a device driver. Can you describe in more details your > use-case and why there is a need to add a flag to the memory map? >
This seems to be related to https://lkml.kernel.org/r/de8388df2fbc5a6a33aab95831ba7...@codeaurora.org After reading how the driver is trying to abuse memory hot(un)plug infrastructure, my tentative Nacked-by: David Hildenbrand <da...@redhat.com> -- Thanks, David / dhildenb