linux-kernel - Re: [PATCH v1 6/6] virtio-balloon: Add support for aerating memory via hinting

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Message-ID: <3f8b2a76-b2ce-fb73-13d4-22a33fc1eb17@redhat.com>
Date:   Tue, 16 Jul 2019 16:12:30 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Dave Hansen <dave.hansen@...el.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Alexander Duyck <alexander.duyck@...il.com>
Cc:     nitesh@...hat.com, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        akpm@...ux-foundation.org, yang.zhang.wz@...il.com,
        pagupta@...hat.com, riel@...riel.com, konrad.wilk@...cle.com,
        lcapitulino@...hat.com, wei.w.wang@...el.com, aarcange@...hat.com,
        pbonzini@...hat.com, dan.j.williams@...el.com,
        alexander.h.duyck@...ux.intel.com
Subject: Re: [PATCH v1 6/6] virtio-balloon: Add support for aerating memory
 via hinting

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".

-- 

Thanks,

David / dhildenb