linux-kernel - Re: [PATCH v1 00/29] virtio-mem: Big Block Mode (BBM)

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Message-ID: <20201018124954.GA51680@L-31X9LVDL-1304.local>
Date:   Sun, 18 Oct 2020 20:49:54 +0800
From:   Wei Yang <richard.weiyang@...ux.alibaba.com>
To:     David Hildenbrand <david@...hat.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        virtualization@...ts.linux-foundation.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        "Michael S . Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Michal Hocko <mhocko@...nel.org>,
        Oscar Salvador <osalvador@...e.de>,
        Pankaj Gupta <pankaj.gupta.linux@...il.com>,
        Wei Yang <richard.weiyang@...ux.alibaba.com>
Subject: Re: [PATCH v1 00/29] virtio-mem: Big Block Mode (BBM)

On Mon, Oct 12, 2020 at 02:52:54PM +0200, David Hildenbrand wrote:
>virtio-mem currently only supports device block sizes that span at most
>a single Linux memory block. For example, gigantic pages in the hypervisor
>result on x86-64 in a device block size of 1 GiB - when the Linux memory
>block size is 128 MiB, we cannot support such devices (we fail loading the
>driver). Of course, we want to support any device block size in any Linux
>VM.
>
>Bigger device block sizes will become especially important once supporting
>VFIO in QEMU - each device block has to be mapped separately, and the
>maximum number of mappings for VFIO is 64k. So we usually want blocks in
>the gigabyte range when wanting to grow the VM big.
>
>This series:
>- Performs some cleanups
>- Factors out existing Sub Block Mode (SBM)
>- Implements memory hot(un)plug in Big Block Mode (BBM)
>
>I need one core-mm change, to make offline_and_remove_memory() eat bigger
>chunks.
>
>This series is based on "next-20201009" and can be found at:
>	git@...lab.com:virtio-mem/linux.git virtio-mem-dbm-v1
>

I am trying to apply this patch set, while found I can't 'git fetch' this
repo. Is there any other repo I would apply this patch set?

-- 
Wei Yang
Help you, Help me