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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <bdb9564d-640d-138f-6695-3fa2c084fcc7@intel.com>
Date:   Tue, 16 Jul 2019 07:41:00 -0700
From:   Dave Hansen <dave.hansen@...el.com>
To:     David Hildenbrand <david@...hat.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 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/