From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54127) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VCmFM-00053i-2L for qemu-devel@nongnu.org; Fri, 23 Aug 2013 03:57:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VCmFL-0007GN-6J for qemu-devel@nongnu.org; Fri, 23 Aug 2013 03:57:27 -0400 Received: from mail.avalus.com ([2001:41c8:10:1dd::10]:41782) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VCmFL-0007G7-0V for qemu-devel@nongnu.org; Fri, 23 Aug 2013 03:57:27 -0400 Date: Fri, 23 Aug 2013 08:57:11 +0100 From: Alex Bligh Message-ID: <18FE72B095A0C28E7B5AD40D@nimrod.local> In-Reply-To: <521713DA.9010903@redhat.com> References: <1377069536-12658-1-git-send-email-lilei@linux.vnet.ibm.com> <1377069536-12658-14-git-send-email-lilei@linux.vnet.ibm.com> <52149B09.705@redhat.com> <52170060.4050104@linux.vnet.ibm.com> <521713DA.9010903@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Subject: Re: [Qemu-devel] [PATCH 13/18] arch_init: adjust ram_save_setup() for migrate_is_localhost Reply-To: Alex Bligh List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini , Lei Li Cc: aarcange@redhat.com, Alex Bligh , quintela@redhat.com, qemu-devel@nongnu.org, mrhines@linux.vnet.ibm.com, Anthony Liguori , lagarcia@br.ibm.com, rcj@linux.vnet.ibm.com --On 23 August 2013 09:48:42 +0200 Paolo Bonzini wrote: > As a matter of fact, 2^28 madvise system calls will take much, much > longer than 100ms. Probably a stupid question, but why would you need to do one call per page? It takes a 'size_t length' parameter. -- Alex Bligh