From patchwork Tue Oct 1 15:31:10 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Duyck X-Patchwork-Id: 11169081 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 03CB617EE for ; Tue, 1 Oct 2019 15:31:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D6DB620842 for ; Tue, 1 Oct 2019 15:31:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="L5Twh0Jh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389747AbfJAPbO (ORCPT ); Tue, 1 Oct 2019 11:31:14 -0400 Received: from mail-pl1-f193.google.com ([209.85.214.193]:42884 "EHLO mail-pl1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389674AbfJAPbN (ORCPT ); Tue, 1 Oct 2019 11:31:13 -0400 Received: by mail-pl1-f193.google.com with SMTP id e5so5644384pls.9; Tue, 01 Oct 2019 08:31:13 -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=L5Twh0JhZGvdhXHXw1oaxNXeSNQCxXg+4kR8o8X1F1TzlD00uzAO3QGcQGeCH+pYyv eM9UzTiOoj4NhZ/y/SfE4biRkKz0cfZib7gcIwCdBqTO0mnj3MDDRzQ0MbZPocBM+B5h msJsxIMWdqcGBjoeyS0PE3+F5FIPQogg6c3lfPb8yAknZ2IT7jOdFrlCQjYDtCtMWPhl 4w7vbAU55orIiWGUYtYwdGgYBtWzc+mw27eRVFrAhrP6HZJdSIZmDr6LwANpN6U01hfj YkPCSsjAhoW6bmeFIjD638fXGmLVvvBI8kOBrNNBTD3nuHzYxjT+4gohPDBQIy3H/4oR +rjQ== 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=YcLd3FoBytgdAicc+ykwfb7UF37KZbW/O59GoKaRaWRd0K9k0+CL9yulgUlI5Xkgbo hb7Cotdu9uRGIK/4bu4XJkDWDuGft1GJTdMnZyNT9K4ijwMWih3dLpqTpaCVwUGkNPhe /4X5ntUzuHlFNY3CLMWqhbg0eBVj4NdwAZeDpULbvpUpyJXQvpfB7z7fJDu0rawUJdhd sgKEW1onvXI0CUV7MHbAGEzmOUu7ePf5sPQ0AmDUmPeDqaNMXeQbP0g4FQBY8K9WvNpa e181soijUx+yY/GcrV47a+vAnOu7QkfeuEV1BoZU7BpEpsqEywX7FZfi9rXpEMxR5gtf H+uw== X-Gm-Message-State: APjAAAUGsbCAWkhWx4FRqbREMd5y0EoVasIgjfG4mP0lQXg0chjOL7EG lOTkGpgNGG7xCTsQHxxJ7bg= X-Google-Smtp-Source: APXvYqzm4jBxzqNzEFwRHGBmE42pgOuyceYI3OqLlxS3hh8mqGpCUV/zK2gp1R2fYuXU9RD1oRP5gw== X-Received: by 2002:a17:902:82c8:: with SMTP id u8mr16796422plz.38.1569943872768; Tue, 01 Oct 2019 08:31:12 -0700 (PDT) Received: from localhost.localdomain ([2001:470:b:9c3:9e5c:8eff:fe4f:f2d0]) by smtp.gmail.com with ESMTPSA id c8sm20343042pga.42.2019.10.01.08.31.11 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 01 Oct 2019 08:31:12 -0700 (PDT) Subject: [PATCH v11 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, akpm@linux-foundation.org, mgorman@techsingularity.net, vbabka@suse.cz, 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: Tue, 01 Oct 2019 08:31:10 -0700 Message-ID: <20191001153110.4422.81414.stgit@localhost.localdomain> In-Reply-To: <20191001152441.27008.99285.stgit@localhost.localdomain> References: <20191001152441.27008.99285.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