From patchwork Tue Feb 23 14:59:45 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Denis V. Lunev" X-Patchwork-Id: 8393231 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 82731C0553 for ; Tue, 23 Feb 2016 15:01:12 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DD4E0202C8 for ; Tue, 23 Feb 2016 15:01:11 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4790820303 for ; Tue, 23 Feb 2016 15:01:08 +0000 (UTC) Received: from localhost ([::1]:57742 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aYESZ-00063J-P3 for patchwork-qemu-devel@patchwork.kernel.org; Tue, 23 Feb 2016 10:01:07 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43511) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aYERV-0004vG-73 for qemu-devel@nongnu.org; Tue, 23 Feb 2016 10:00:02 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aYERS-0002wR-8P for qemu-devel@nongnu.org; Tue, 23 Feb 2016 10:00:01 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:28283 helo=relay.sw.ru) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aYERR-0002uz-Sw for qemu-devel@nongnu.org; Tue, 23 Feb 2016 09:59:58 -0500 Received: from irbis.sw.ru ([10.30.31.119]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id u1NExjak031643; Tue, 23 Feb 2016 17:59:50 +0300 (MSK) From: "Denis V. Lunev" To: Date: Tue, 23 Feb 2016 17:59:45 +0300 Message-Id: <1456239585-13324-3-git-send-email-den@openvz.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1456239585-13324-1-git-send-email-den@openvz.org> References: <1456239585-13324-1-git-send-email-den@openvz.org> X-detected-operating-system: by eggs.gnu.org: OpenBSD 3.x X-Received-From: 195.214.232.25 Cc: "Denis V. Lunev" , "Michael S. Tsirkin" , qemu-devel@nongnu.org, Igor Redko Subject: [Qemu-devel] [PATCH 2/2] virtio-balloon: add 'available' counter X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The patch for the kernel part is in linux-next already: commit ac88e7c908b920866e529862f2b2f0129b254ab2 Author: Igor Redko Date: Thu Feb 18 09:23:01 2016 +1100 virtio_balloon: export 'available' memory to balloon statistics Add a new field, VIRTIO_BALLOON_S_AVAIL, to virtio_balloon memory statistics protocol, corresponding to 'Available' in /proc/meminfo. Signed-off-by: Denis V. Lunev Reviewed-by: Eric Blake CC: Igor Redko CC: Michael S. Tsirkin --- hw/virtio/virtio-balloon.c | 1 + include/standard-headers/linux/virtio_balloon.h | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c index 1740293..123d3c7 100644 --- a/hw/virtio/virtio-balloon.c +++ b/hw/virtio/virtio-balloon.c @@ -53,6 +53,7 @@ static const char *balloon_stat_names[] = { [VIRTIO_BALLOON_S_MINFLT] = "stat-minor-faults", [VIRTIO_BALLOON_S_MEMFREE] = "stat-free-memory", [VIRTIO_BALLOON_S_MEMTOT] = "stat-total-memory", + [VIRTIO_BALLOON_S_AVAIL] = "stat-available-memory", [VIRTIO_BALLOON_S_NR] = NULL }; diff --git a/include/standard-headers/linux/virtio_balloon.h b/include/standard-headers/linux/virtio_balloon.h index 2e2a6dc..0df7c2e 100644 --- a/include/standard-headers/linux/virtio_balloon.h +++ b/include/standard-headers/linux/virtio_balloon.h @@ -51,7 +51,8 @@ struct virtio_balloon_config { #define VIRTIO_BALLOON_S_MINFLT 3 /* Number of minor faults */ #define VIRTIO_BALLOON_S_MEMFREE 4 /* Total amount of free memory */ #define VIRTIO_BALLOON_S_MEMTOT 5 /* Total amount of memory */ -#define VIRTIO_BALLOON_S_NR 6 +#define VIRTIO_BALLOON_S_AVAIL 6 /* Amount of available memory in guest */ +#define VIRTIO_BALLOON_S_NR 7 /* * Memory statistics structure.