Re: [PATCH v1] makedumpfile: exclude pages that are logically offline

2018-11-21 Thread David Hildenbrand
On 21.11.18 15:58, Kazuhito Hagio wrote: > Hi David, > >> Linux marks pages that are logically offline via a page flag (map count). >> Such pages e.g. include pages infated as part of a balloon driver or >> pages that were not actually onlined when onlining the whole section. >> >> While the hyper

RE: [PATCH v1] makedumpfile: exclude pages that are logically offline

2018-11-21 Thread Kazuhito Hagio
Hi David, > Linux marks pages that are logically offline via a page flag (map count). > Such pages e.g. include pages infated as part of a balloon driver or > pages that were not actually onlined when onlining the whole section. > > While the hypervisor usually allows to read such inflated memory

[PATCH v1] makedumpfile: exclude pages that are logically offline

2018-11-19 Thread David Hildenbrand
Linux marks pages that are logically offline via a page flag (map count). Such pages e.g. include pages infated as part of a balloon driver or pages that were not actually onlined when onlining the whole section. While the hypervisor usually allows to read such inflated memory, we basically read a