On Tue, Aug 02, 2022 at 08:03:10PM +0200, David Hildenbrand wrote: > > Srinivas Aji (4): > > mm/memory_hotplug: Add MHP_ALLOCATE flag which treats hotplugged > > memory as allocated > > Without seeing the actual patches, I am very skeptical that this is the > right approach, especially regarding memory onlining/offlining. > > virtio-mem achieves something similar (yet different) by hooking into > generic_online_page(). From there, you can control what should actually > happen with memory that is getting onlined (e.g., free them to the buddy > or treat them differently). > > Did you evaluate going that path? Thanks for the feedback. I had not tried this. Let me see if what I am trying here can be done using the online_page_callback mechanism. Thanks, Srinivas