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[173.76.246.42]) by smtp.gmail.com with ESMTPSA id r15sm1562334qtb.22.2019.03.29.09.09.29 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 29 Mar 2019 09:09:30 -0700 (PDT) Date: Fri, 29 Mar 2019 12:09:28 -0400 From: "Michael S. Tsirkin" To: David Hildenbrand Cc: Nitesh Narayan Lal , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, pbonzini@redhat.com, lcapitulino@redhat.com, pagupta@redhat.com, wei.w.wang@intel.com, yang.zhang.wz@gmail.com, riel@surriel.com, dodgen@google.com, konrad.wilk@oracle.com, dhildenb@redhat.com, aarcange@redhat.com, alexander.duyck@gmail.com Subject: Re: On guest free page hinting and OOM Message-ID: <20190329120907-mutt-send-email-mst@kernel.org> References: <20190329084058-mutt-send-email-mst@kernel.org> <20190329104311-mutt-send-email-mst@kernel.org> <7a3baa90-5963-e6e2-c862-9cd9cc1b5f60@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7a3baa90-5963-e6e2-c862-9cd9cc1b5f60@redhat.com> 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 Fri, Mar 29, 2019 at 04:37:46PM +0100, David Hildenbrand wrote: > Just so we understand each other. What you mean with "appended to guest > memory" is "append to the guest memory size", not actually "append > memory via virtio-balloon", like adding memory regions and stuff. > > Instead of "-m 4G" you would do "-m 5G -device virtio-balloon,hint_size=1G". Right.