From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f72.google.com (mail-pa0-f72.google.com [209.85.220.72]) by kanga.kvack.org (Postfix) with ESMTP id 190C16B0253 for ; Mon, 24 Oct 2016 12:46:07 -0400 (EDT) Received: by mail-pa0-f72.google.com with SMTP id py6so1715981pab.0 for ; Mon, 24 Oct 2016 09:46:07 -0700 (PDT) Received: from mga03.intel.com (mga03.intel.com. [134.134.136.65]) by mx.google.com with ESMTPS id x86si16287410pff.54.2016.10.24.09.46.06 for (version=TLS1 cipher=AES128-SHA bits=128/128); Mon, 24 Oct 2016 09:46:06 -0700 (PDT) Subject: Re: [RESEND PATCH v3 kernel 1/7] virtio-balloon: rework deflate to add page to a list References: <1477031080-12616-1-git-send-email-liang.z.li@intel.com> <1477031080-12616-2-git-send-email-liang.z.li@intel.com> From: Dave Hansen Message-ID: <580E3ACD.1080906@intel.com> Date: Mon, 24 Oct 2016 09:46:05 -0700 MIME-Version: 1.0 In-Reply-To: <1477031080-12616-2-git-send-email-liang.z.li@intel.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Liang Li , mst@redhat.com Cc: linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-mm@kvack.org, virtio-dev@lists.oasis-open.org, kvm@vger.kernel.org, qemu-devel@nongnu.org, quintela@redhat.com, dgilbert@redhat.com, pbonzini@redhat.com, cornelia.huck@de.ibm.com, amit.shah@redhat.com On 10/20/2016 11:24 PM, Liang Li wrote: > Will allow faster notifications using a bitmap down the road. > balloon_pfn_to_page() can be removed because it's useless. This is a pretty terse description of what's going on here. Could you try to elaborate a bit? What *is* the current approach? Why does it not work going forward? What do you propose instead? Why is it better? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org