From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f69.google.com (mail-pg0-f69.google.com [74.125.83.69]) by kanga.kvack.org (Postfix) with ESMTP id 431336B0069 for ; Thu, 15 Dec 2016 20:40:52 -0500 (EST) Received: by mail-pg0-f69.google.com with SMTP id e9so149592073pgc.5 for ; Thu, 15 Dec 2016 17:40:52 -0800 (PST) Received: from mga07.intel.com (mga07.intel.com. [134.134.136.100]) by mx.google.com with ESMTPS id 71si4906358pgb.147.2016.12.15.17.40.51 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 15 Dec 2016 17:40:51 -0800 (PST) Subject: Re: [Qemu-devel] [PATCH kernel v5 0/5] Extend virtio-balloon for fast (de)inflating & fast live migration References: <1480495397-23225-1-git-send-email-liang.z.li@intel.com> <0b18c636-ee67-cbb4-1ba3-81a06150db76@redhat.com> <0b83db29-ebad-2a70-8d61-756d33e33a48@intel.com> <2171e091-46ee-decd-7348-772555d3a5e3@redhat.com> <20161207183817.GE28786@redhat.com> <20161207202824.GH28786@redhat.com> <060287c7-d1af-45d5-70ea-ad35d4bbeb84@intel.com> <01886693-c73e-3696-860b-086417d695e1@intel.com> From: Dave Hansen Message-ID: <84ac9822-880d-b998-52ca-6aa87e0f7a43@intel.com> Date: Thu, 15 Dec 2016 17:40:45 -0800 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: "Li, Liang Z" , Andrea Arcangeli Cc: David Hildenbrand , "kvm@vger.kernel.org" , "mhocko@suse.com" , "mst@redhat.com" , "linux-kernel@vger.kernel.org" , "qemu-devel@nongnu.org" , "linux-mm@kvack.org" , "dgilbert@redhat.com" , "pbonzini@redhat.com" , "akpm@linux-foundation.org" , "virtualization@lists.linux-foundation.org" , "kirill.shutemov@linux.intel.com" On 12/15/2016 05:38 PM, Li, Liang Z wrote: > > Use 52 bits for 'pfn', 12 bits for 'length', when the 12 bits is not long enough for the 'length' > Set the 'length' to a special value to indicate the "actual length in next 8 bytes". > > That will be much more simple. Right? Sounds fine to me. -- 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