Re: [PATCH v1 0/6] mm / virtio: Provide support for paravirtual waste page treatment

David Hildenbrand
2019-07-15T09:42:13Z

On 25.06.19 20:22, Dave Hansen wrote:
> On 6/25/19 10:00 AM, Alexander Duyck wrote:
>> Basically what we are doing is inflating the memory size we can report
>> by inserting voids into the free memory areas. In my mind that matches
>> up very well with what "aeration" is. It is similar to balloon in
>> functionality, however instead of inflating the balloon we are
>> inflating the free_list for higher order free areas by creating voids
>> where the madvised pages were.
>
> OK, then call it "free page auto ballooning" or "auto ballooning" or
> "allocator ballooning". s390 calls them "unused pages".
>
> Any of those things are clearer and more meaningful than "page aeration"
> to me.
>

Alex, if you want to generalize the approach, and not call it "hinting",
what about something similar to "page recycling".

Would also fit the "waste" example and would be clearer - at least to
me. Well, "bubble" does not apply anymore ...

--

Thanks,

David / dhildenb