Messages in this thread | | | Subject | Re: [PATCH v34 0/4] Virtio-balloon: support free page reporting | From | David Hildenbrand <> | Date | Fri, 29 Jun 2018 17:28:56 +0200 |
| |
>> And looking at all the discussions and problems that already happened >> during the development of this series, I think we should rather look >> into how clean free page hinting might solve the same problem. > > I'm not sure I follow the logic. We found that neat tricks > especially re-using the max order free page for reporting.
Let me rephrase: history of this series showed that this is some really complicated stuff. I am asking if this complexity is actually necessary.
No question that we had a very valuable outcome so far (that especially is also relevant for other projects like Nitesh's proposal - talking about virtio requests and locking).
> >> If it can't be solved using free page hinting, fair enough. > > I suspect Nitesh will need to find a way not to have mm code > call out to random drivers or subsystems before that code > is acceptable. > >
--
Thanks,
David / dhildenb
| |