Re: [PATCH v34 0/4] Virtio-balloon: support free page reporting

[David Hildenbrand]

>> Why would your suggestion still be applicable?
>>
>> Your point for now is "I might not want to have page hinting enabled due to
>> the overhead, but still a live migration speedup". If that overhead actually
>> exists (we'll have to see) or there might be another reason to disable page
>> hinting, then we have to decide if that specific setup is worth it merging your
>> changes.
> 
> All the above "if we have", "assume we have" don't sound like a valid argument to me.

Argument? *confused* And that hinders you from answering the question
"Why would your suggestion still be applicable?" ? Well, okay.

So I will answer it by myself: Because somebody would want to disable
page hinting. Maybe there are some people out there.

>  
>> I am not (and don't want to be) in the position to make any decisions here :) I
>> just want to understand if two interfaces for free pages actually make sense.
> 
> I responded to Nitesh about the differences, you may want to check with him about this.
> I would suggest you to send out your patches to LKML to get a discussion with the mm folks.

Indeed, Nitesh is trying to solve the problems we found in the RFC, so
this can take some time.

> 
> Best,
> Wei
> 


-- 

Thanks,

David / dhildenb