From: David Hildenbrand Sent: November 14, 2018 at 9:16:58 PM GMT > Subject: [PATCH RFC 0/6] mm/kdump: allow to exclude pages that are logically offline > > > Right now, pages inflated as part of a balloon driver will be dumped > by dump tools like makedumpfile. While XEN is able to check in the > crash kernel whether a certain pfn is actuall backed by memory in the > hypervisor (see xen_oldmem_pfn_is_ram) and optimize this case, dumps of > virtio-balloon and hv-balloon inflated memory will essentially result in > zero pages getting allocated by the hypervisor and the dump getting > filled with this data. Is there any reason that VMware balloon driver is not mentioned?
