From patchwork Wed Sep 4 15:11:50 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Duyck X-Patchwork-Id: 11130939 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 DED031395 for ; Wed, 4 Sep 2019 15:11:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BF53822CF5 for ; Wed, 4 Sep 2019 15:11:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="g/vi+t15" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731433AbfIDPLw (ORCPT ); Wed, 4 Sep 2019 11:11:52 -0400 Received: from mail-pl1-f193.google.com ([209.85.214.193]:34220 "EHLO mail-pl1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731279AbfIDPLw (ORCPT ); Wed, 4 Sep 2019 11:11:52 -0400 Received: by mail-pl1-f193.google.com with SMTP id d3so9733314plr.1; Wed, 04 Sep 2019 08:11:51 -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=g/vi+t15qU05IbfH7f9reEH9yxdol9aOOQ4XHr0/aA7/TFCQM1b5/WOo9ApO+j4UO8 6zHTfLJrCRgc/PRbLuwmwt7AgO8Li2zVeayIjrPHGLVtuvmfLy05Ebxskv/jEsFKXreT PU1YxQJFu1KtTW4aXpFBLy2Wp/SlTrcpGKFwkcSPe/yVdbP54eXYeeB/yNM1sO1CF0Ft X3i42sxpn6OhzdN5Oi17iH+Pxv2Yyzw228YDIeRYnaggU+hm0GIV4Od0cj3QoN0ozyM5 7Ne4cZIs5v8tbBvJd6IdKBXcTKOqHiDarRP+9/o6pofrBQholFrcv7aIxP7g5tq4bdag JR1Q== 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=mypZfBst0ATadj4/4/CVF3+aGGNw2FzmGQsENTAnTledEz3PfqgADY+PPLB8Hpr7wS rU0aiHWRKTYucGINrXDKCWzXaVJlBPZNDHbHydMjAuhrKlkk15JGpHkCtVGRAwD4AmVU nGR4TZ8havThYG5TdFueXLSFvV7pPJnUYg6XzsWAlGeiEcUiq1IkRdrvqO0l3Beh3Sem OX85WitlTFf3WNswHWahTzE72vcfrOV29wUFnGEKycED4nmEpSv+TB8eTiBUwyfc9RQo sG2oJNFAbKNm+TLLQRhJZ2oDqw2c9E0e96dyRqNFhThx0ZjARLHN0w8Eil+lxBytIPHw E4KA== X-Gm-Message-State: APjAAAVNxipkdq61i+C75cGVVbXQoe54XPt08gwSAl1Htu1UyGJZ4YWR ibWJFxpEaAVVGkhxPUtz4aQ= X-Google-Smtp-Source: APXvYqxMHRJHJTYla/YgyQdu59bO6u5k5GGEbaAYb15QMGK3Ubb3XU1FJ5AaU/7ayJ0tPcue3siLXA== X-Received: by 2002:a17:902:7085:: with SMTP id z5mr41400977plk.102.1567609911224; Wed, 04 Sep 2019 08:11:51 -0700 (PDT) Received: from localhost.localdomain ([2001:470:b:9c3:9e5c:8eff:fe4f:f2d0]) by smtp.gmail.com with ESMTPSA id 69sm25681682pfb.145.2019.09.04.08.11.50 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 04 Sep 2019 08:11:50 -0700 (PDT) Subject: [PATCH v7 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: Wed, 04 Sep 2019 08:11:50 -0700 Message-ID: <20190904151150.14270.41018.stgit@localhost.localdomain> In-Reply-To: <20190904150920.13848.32271.stgit@localhost.localdomain> References: <20190904150920.13848.32271.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