From patchwork Fri Sep 6 14:54:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Duyck X-Patchwork-Id: 11135493 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 010311395 for ; Fri, 6 Sep 2019 14:54:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D45F92082C for ; Fri, 6 Sep 2019 14:54:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="u2UtpKj+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394692AbfIFOyp (ORCPT ); Fri, 6 Sep 2019 10:54:45 -0400 Received: from mail-pg1-f196.google.com ([209.85.215.196]:36383 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726019AbfIFOyp (ORCPT ); Fri, 6 Sep 2019 10:54:45 -0400 Received: by mail-pg1-f196.google.com with SMTP id l21so3647841pgm.3; Fri, 06 Sep 2019 07:54:44 -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=u2UtpKj+SdvdC7zNNCRKGfWXo1ykUbLduiISlK7UKVNWKJFj7hQRsxtRsM+Ng+JDcs v7XIQ4GRg8UpI0VLI4x3HWqouyCX8JuhCd7BtITu+IvldqmAvamdMQRLR/oEiIkIDVDP VFzD84K523Z9VpGyOqGTX8ekpRwerKs9WPfJYRFvR5/Yc/QO9drW8rNetKJQZCnQNepA 1bO3dX5jPRDMkcPBCJdcwOBp6JxR6PqiCYzLbc8uX5ds6xPdIum29TV7dqmdR/fHlT16 ao4s/16BbpHnyyT0U1nuALIAl+ZaBH0Apbb5NbsVqY6TVc44rduuB/3bWDd/yhsJtFEB pXjQ== 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=NSJJg4d8h/AlvhdO5Um4RjOM/rUzWn8pBpyYrQgZbQxuo8Fn7NCeSGFaufHzo4A/i3 LN1rvL30CI20UbyvIcu4lmg4DIB8FXQoAOnY7GlFOphWFI6Bbu9ScEOg2q5qjhlNHHBK eKFxNt1HUdqbDVPhXNuuC+Vp+Nx6T8vl1n+LUtIkM4DwQ6ADyS/4yTpM3LcXicr2OVwe S5cr1NS7R0Pq7kyPYcTPD5UCWozVk8jd6+GUtAnRjIW9r8Luna660IOur7YbLVX6x8NQ qXqNzm4JDd0Vbh3C6UHuvtOzEENQZI5an011ZZA8ycvzCeiSKrDHLpfG+YqTsyoWkphD Flmg== X-Gm-Message-State: APjAAAXUH/wytxB8ov5RFW3gwYCTihL8OGXicWuf0f0aDDJLMQDqGKL7 E3HNc7qVdd9Dz1q6uQvPgxU= X-Google-Smtp-Source: APXvYqyq7c3ys8bBHJp63ctlkK7wT7XGiRX8LnzlMCbygnwq1ZTX0Wq3ookzg6WHVMz7aVn1zyE+5Q== X-Received: by 2002:a65:464d:: with SMTP id k13mr1589674pgr.99.1567781684235; Fri, 06 Sep 2019 07:54:44 -0700 (PDT) Received: from localhost.localdomain ([2001:470:b:9c3:9e5c:8eff:fe4f:f2d0]) by smtp.gmail.com with ESMTPSA id k14sm6784077pfi.98.2019.09.06.07.54.43 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 06 Sep 2019 07:54:43 -0700 (PDT) Subject: [PATCH v8 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, mst@redhat.com, david@redhat.com, dave.hansen@intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org, virtio-dev@lists.oasis-open.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, mhocko@kernel.org, alexander.h.duyck@linux.intel.com, osalvador@suse.de Date: Fri, 06 Sep 2019 07:54:43 -0700 Message-ID: <20190906145443.574.8266.stgit@localhost.localdomain> In-Reply-To: <20190906145213.32552.30160.stgit@localhost.localdomain> References: <20190906145213.32552.30160.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