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Date: Wed, 28 Jun 2017 08:04:50 -0700
From: Matthew Wilcox <willy@infradead.org>
Subject: Re: [virtio-dev] Re: [PATCH v11 3/6] virtio-balloon:
 VIRTIO_BALLOON_F_PAGE_CHUNKS
Message-ID: <20170628150450.GA1402@bombadil.infradead.org>
References: <1497004901-30593-1-git-send-email-wei.w.wang@intel.com>
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 <20170613200049-mutt-send-email-mst@kernel.org>
 <594240E9.2070705@intel.com>
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To: Wei Wang <wei.w.wang@intel.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>, virtio-dev@lists.oasis-open.org, linux-kernel@vger.kernel.org, qemu-devel@nongnu.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, linux-mm@kvack.org, david@redhat.com, dave.hansen@intel.com, cornelia.huck@de.ibm.com, akpm@linux-foundation.org, mgorman@techsingularity.net, aarcange@redhat.com, amit.shah@redhat.com, pbonzini@redhat.com, liliang.opensource@gmail.com

On Thu, Jun 15, 2017 at 04:10:17PM +0800, Wei Wang wrote:
> > So you still have a home-grown bitmap. I'd like to know why
> > isn't xbitmap suggested for this purpose by Matthew Wilcox
> > appropriate. Please add a comment explaining the requirements
> > from the data structure.
> 
> I didn't find his xbitmap being upstreamed, did you?

It doesn't have any users in the tree yet.  Can't add code with new users.
You should be the first!

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