From patchwork Wed Sep 18 17:53:50 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Duyck X-Patchwork-Id: 11151099 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EC9E1912 for ; Wed, 18 Sep 2019 17:53:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C9195207FC for ; Wed, 18 Sep 2019 17:53:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="H3wKs22G" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729111AbfIRRxy (ORCPT ); Wed, 18 Sep 2019 13:53:54 -0400 Received: from mail-oi1-f196.google.com ([209.85.167.196]:41663 "EHLO mail-oi1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726369AbfIRRxy (ORCPT ); Wed, 18 Sep 2019 13:53:54 -0400 Received: by mail-oi1-f196.google.com with SMTP id w17so339275oiw.8; Wed, 18 Sep 2019 10:53:53 -0700 (PDT) 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=H3wKs22GCSuuo47NHL84cjAcqIxVWe5raJSaPJYEEjR4SjLfOrFfKt6MqETcP09nzp mQwVOuGJiDyTUO34zz/FxTfyeK93Ym+rSqbDgLoT/Du3oNzP1D0AIlwxjhzYcrzwwKIs xtuGXJ2uADX6hCimeVVU5uKTm/0RBb5zaza/2xkqpEofa5+pRdcP/FX/pDjy6nqeQhrz wjIwWTS1OwEhcVqKPV+UX49i5jyRIkdBII/ejcvGqW6cFvW/aBaQMvKszzUiDF4oubCx FgrHvJ+7pmJW4fOmM+9tKSwU3cS7m7q8ml0xlT15/H7ej/2b2YhZqe7ipz773fsTquBb b4Uw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:from:to:cc:date:message-id:in-reply-to :references:user-agent:mime-version:content-transfer-encoding; bh=VitjQQFQG7H0A5JYqbYhHy/YWDiYO6QESupJyX3H62U=; b=kIbIakxBKm9YFDXzbMAXKJZt0MpC7UrVVKUCZPkoPP96rMj7PGP8DFp7FHtqJcOczF gIageJyTYENynA+ozskJtWF9vDvm9EiTBYcPXliUNGPgmCACFIvfDwKlaAz4OhisqIM7 c+uRCAE08OJmkfRi/CKxYAgc1/AvocjVHuuy78kcKdRPLHkNo41HvkPBljH8rT80Y+nZ 6vEZ8DD9Qqhlccl1lBTXTmaAmw96tll9WSz0F5/D3twrUeIo8B2mXQYX/jdkaKcRntlS /P4M3rllB++r2/eJts0j70OO+mgXnBLnsY1FP0XDiWpjEKTsvT0Rygp8BLc0cLSMDMAD llrw== X-Gm-Message-State: APjAAAVM5nG3yAwmVsVSNpPPPKYkHU3s4XoBisDjQoSFGdKuxjCybWeR JvGxmHQqYX1COacZk1CGnKY= X-Google-Smtp-Source: APXvYqx0/em4LyihxJp1UfPCVlfU74a3jjEiza4M/rCWhu2/BqxunUOAE7tRJ9fzvgWCTQRlNSJFbA== X-Received: by 2002:aca:dcd5:: with SMTP id t204mr3293467oig.138.1568829232972; Wed, 18 Sep 2019 10:53:52 -0700 (PDT) Received: from localhost.localdomain ([2001:470:b:9c3:9e5c:8eff:fe4f:f2d0]) by smtp.gmail.com with ESMTPSA id o184sm1837530oia.28.2019.09.18.10.53.50 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 18 Sep 2019 10:53:52 -0700 (PDT) Subject: [PATCH v10 QEMU 2/3] virtio-balloon: Add bit to notify guest of unused page reporting From: Alexander Duyck To: virtio-dev@lists.oasis-open.org, kvm@vger.kernel.org, mst@redhat.com, david@redhat.com, dave.hansen@intel.com, linux-kernel@vger.kernel.org, willy@infradead.org, mhocko@kernel.org, linux-mm@kvack.org, vbabka@suse.cz, akpm@linux-foundation.org, mgorman@techsingularity.net, linux-arm-kernel@lists.infradead.org, osalvador@suse.de Cc: yang.zhang.wz@gmail.com, pagupta@redhat.com, konrad.wilk@oracle.com, nitesh@redhat.com, riel@surriel.com, 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, 18 Sep 2019 10:53:50 -0700 Message-ID: <20190918175350.23606.70808.stgit@localhost.localdomain> In-Reply-To: <20190918175109.23474.67039.stgit@localhost.localdomain> References: <20190918175109.23474.67039.stgit@localhost.localdomain> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org 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