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[209.85.220.65]) by mx.google.com with SMTPS id u15sor33597881pgn.82.2019.08.07.15.43.19 for (Google Transport Security); Wed, 07 Aug 2019 15:43:19 -0700 (PDT) Received-SPF: pass (google.com: domain of alexander.duyck@gmail.com designates 209.85.220.65 as permitted sender) client-ip=209.85.220.65; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=a5bFBq8d; spf=pass (google.com: domain of alexander.duyck@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=alexander.duyck@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:from:to:cc:date:message-id:in-reply-to:references :user-agent:mime-version:content-transfer-encoding; bh=VitjQQFQG7H0A5JYqbYhHy/YWDiYO6QESupJyX3H62U=; b=a5bFBq8dljd+KFQj8GsRoLSHGqJwQp1D5ijrMfnYKZTD6Bt+CaAUzJalWN7vPj8cwG pWIQHZeWlF01w9ODFOdx9z+f+AlMLp5FqwG2TA53NLFH8peXxKWTES629HP/akXRJg9n DJ4jY46AP3dbxMN0WsuHo/WqAxvhjf7UEESQNwx4G3HUYGxtjEoQXl58QUb/NYO66oVF 3aabuZS4qG67Nxwzn84c+8qH9jDl5J0UQODHXlzenEHEQLM1eahgGf+upLYULSRlAiHW FaF3thHu2UqU5E+esQH85Bkzf9kbZTwMvNbp1I+Ebwv8CLfPptCXwrq0LMxDlQkwY/v6 F5Yw== X-Google-Smtp-Source: APXvYqyW8MKXNJvVuax/guRo5BBwLkQSLi3lLIO/meHglhLBkCaN+RruEG3XpplsxDaBU/3G1+9j0Q== X-Received: by 2002:a65:5a8c:: with SMTP id c12mr9521695pgt.73.1565217798671; Wed, 07 Aug 2019 15:43:18 -0700 (PDT) Received: from localhost.localdomain ([2001:470:b:9c3:9e5c:8eff:fe4f:f2d0]) by smtp.gmail.com with ESMTPSA id n128sm47421037pfn.46.2019.08.07.15.43.17 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 07 Aug 2019 15:43:18 -0700 (PDT) Subject: [PATCH v4 QEMU 2/3] virtio-balloon: Add bit to notify guest of unused page reporting From: Alexander Duyck To: nitesh@redhat.com, kvm@vger.kernel.org, david@redhat.com, mst@redhat.com, dave.hansen@intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org Cc: yang.zhang.wz@gmail.com, pagupta@redhat.com, riel@surriel.com, konrad.wilk@oracle.com, willy@infradead.org, lcapitulino@redhat.com, wei.w.wang@intel.com, aarcange@redhat.com, pbonzini@redhat.com, dan.j.williams@intel.com, alexander.h.duyck@linux.intel.com Date: Wed, 07 Aug 2019 15:43:17 -0700 Message-ID: <20190807224317.7333.84787.stgit@localhost.localdomain> In-Reply-To: <20190807224037.6891.53512.stgit@localhost.localdomain> References: <20190807224037.6891.53512.stgit@localhost.localdomain> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit 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: From: Alexander Duyck Add a bit for the page reporting feature provided by virtio-balloon. This patch should be replaced once the feature is added to the Linux kernel and the bit is backported into this exported kernel header. Signed-off-by: Alexander Duyck --- include/standard-headers/linux/virtio_balloon.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/standard-headers/linux/virtio_balloon.h b/include/standard-headers/linux/virtio_balloon.h index 9375ca2a70de..1c5f6d6f2de6 100644 --- a/include/standard-headers/linux/virtio_balloon.h +++ b/include/standard-headers/linux/virtio_balloon.h @@ -36,6 +36,7 @@ #define VIRTIO_BALLOON_F_DEFLATE_ON_OOM 2 /* Deflate balloon on OOM */ #define VIRTIO_BALLOON_F_FREE_PAGE_HINT 3 /* VQ to report free pages */ #define VIRTIO_BALLOON_F_PAGE_POISON 4 /* Guest is using page poisoning */ +#define VIRTIO_BALLOON_F_REPORTING 5 /* Page reporting virtqueue */ /* Size of a PFN in the balloon interface. */ #define VIRTIO_BALLOON_PFN_SHIFT 12