From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751698AbdCPHUO (ORCPT ); Thu, 16 Mar 2017 03:20:14 -0400 Received: from mga01.intel.com ([192.55.52.88]:18163 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751647AbdCPHUN (ORCPT ); Thu, 16 Mar 2017 03:20:13 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.36,170,1486454400"; d="scan'208";a="76816706" From: Wei Wang To: virtio-dev@lists.oasis-open.org, linux-kernel@vger.kernel.org, qemu-devel@nongnu.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, linux-mm@kvack.org, mst@redhat.com, david@redhat.com, dave.hansen@intel.com, cornelia.huck@de.ibm.com, akpm@linux-foundation.org, mgorman@techsingularity.net, aarcange@redhat.com, amit.shah@redhat.com, pbonzini@redhat.com, wei.w.wang@intel.com, liliang.opensource@gmail.com Subject: [PATCH kernel v8 0/4] Extend virtio-balloon for fast (de)inflating & fast live migration Date: Thu, 16 Mar 2017 15:08:43 +0800 Message-Id: <1489648127-37282-1-git-send-email-wei.w.wang@intel.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch series implements two optimizations: 1) transfer pages in chuncks between the guest and host; 2) transfer the guest unused pages to the host so that they can be skipped to migrate in live migration. Please read each patch commit log for details. Changes: v7->v8: 1) Use only one chunk format, instead of two. 2) re-write the virtio-balloon implementation patch. 3) commit changes 4) patch re-org Liang Li (4): virtio-balloon: deflate via a page list virtio-balloon: VIRTIO_BALLOON_F_CHUNK_TRANSFER mm: add inerface to offer info about unused pages virtio-balloon: VIRTIO_BALLOON_F_HOST_REQ_VQ drivers/virtio/virtio_balloon.c | 533 ++++++++++++++++++++++++++++++++---- include/linux/mm.h | 3 + include/uapi/linux/virtio_balloon.h | 31 +++ mm/page_alloc.c | 114 ++++++++ 4 files changed, 635 insertions(+), 46 deletions(-) -- 2.7.4