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Subject: Re: [PATCH v1 6/6] virtio-balloon: Add support for aerating memory
 via hinting
To:     Dave Hansen <dave.hansen@intel.com>,
        "Michael S. Tsirkin" <mst@redhat.com>,
        Alexander Duyck <alexander.duyck@gmail.com>
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From:   David Hildenbrand <david@redhat.com>
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Message-ID: <a4fc0192-839e-72c4-6d37-a8b4f7b05d1e@redhat.com>
Date:   Tue, 16 Jul 2019 17:02:29 +0200
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On 16.07.19 16:41, Dave Hansen wrote:
> On 7/16/19 7:12 AM, David Hildenbrand wrote:
>> On 16.07.19 16:00, Dave Hansen wrote:
>>> On 7/16/19 2:55 AM, Michael S. Tsirkin wrote:
>>>> The approach here is very close to what on-demand hinting that is
>>>> already upstream does.
>>> Are you referring to the s390 (and powerpc) stuff that is hidden behind
>>> arch_free_page()?
>>>
>> I assume Michael meant "free page reporting".
> 
> Where is the page allocator integration?  The set you linked to has 5
> patches, but only 4 were merged.  This one is missing:
> 
> 	https://lore.kernel.org/patchwork/patch/961038/
> 

I don't recall which version was actually merged (there were too many :)
). I think it was v37:

https://lore.kernel.org/patchwork/cover/977804/

And I remember that there was a comment from Linus that made the patch
you mentioned getting dropped.

-- 

Thanks,

David / dhildenb