From patchwork Wed Feb 24 07:50:48 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: 587229 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3902E1402EC for ; Wed, 24 Feb 2016 18:52:22 +1100 (AEDT) Received: from localhost ([::1]:34151 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aYUFA-00082T-Da for incoming@patchwork.ozlabs.org; Wed, 24 Feb 2016 02:52:20 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40045) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aYUDr-0005kP-5t for qemu-devel@nongnu.org; Wed, 24 Feb 2016 02:51:00 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aYUDn-0006nb-ON for qemu-devel@nongnu.org; Wed, 24 Feb 2016 02:50:59 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:44720 helo=relay.sw.ru) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aYUDn-0006nQ-B4 for qemu-devel@nongnu.org; Wed, 24 Feb 2016 02:50:55 -0500 Received: from irbis.sw.ru ([10.30.2.139]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id u1O7omh4001426; Wed, 24 Feb 2016 10:50:53 +0300 (MSK) From: "Denis V. Lunev" To: Date: Wed, 24 Feb 2016 10:50:48 +0300 Message-Id: <1456300248-31944-3-git-send-email-den@openvz.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1456300248-31944-1-git-send-email-den@openvz.org> References: <1456300248-31944-1-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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org 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 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 6629145..3193f44 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.