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Tsirkin" , Jason Wang , Dave Hansen , Michal Hocko , Liang Li , Mike Kravetz , linux-mm@kvack.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, qemu-devel@nongnu.org Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Dec 22, 2020 at 4:28 PM David Hildenbrand wrote: > > On 22.12.20 08:48, Liang Li wrote: > > Free page reporting only supports buddy pages, it can't report the > > free pages reserved for hugetlbfs case. On the other hand, hugetlbfs > > The virtio-balloon free page reporting interface accepts a generic sg, > so it isn't glue to buddy pages. There is no need for a new interface. OK, then there will be two workers accessing the same vq, we can add a lock for concurrent access. Thanks! Liang