From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [Xen-devel] [PATCH] net: allow configuration of the size of page in __netdev_alloc_frag Date: Wed, 31 Oct 2012 12:19:06 +0100 Message-ID: <1351682346.32673.54.camel@edumazet-glaptop> References: <1351078936-14159-1-git-send-email-ian.campbell@citrix.com> <1351081703.6537.99.camel@edumazet-glaptop> <1351084618.18035.27.camel@zakaz.uk.xensource.com> <1351085403.6537.102.camel@edumazet-glaptop> <1351087326.18035.50.camel@zakaz.uk.xensource.com> <1351092068.6537.107.camel@edumazet-glaptop> <1351095739.18035.83.camel@zakaz.uk.xensource.com> <1351097000.6537.109.camel@edumazet-glaptop> <20121030165309.GA30483@phenom.dumpdata.com> <20121030172352.GA31997@phenom.dumpdata.com> <20121031110149.GA6376@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: Konrad Rzeszutek Wilk , "netdev@vger.kernel.org" , Eric Dumazet , Ian Campbell , "xen-devel@lists.xen.org" To: Konrad Rzeszutek Wilk Return-path: Received: from mail-wi0-f172.google.com ([209.85.212.172]:44098 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934387Ab2JaLTJ (ORCPT ); Wed, 31 Oct 2012 07:19:09 -0400 Received: by mail-wi0-f172.google.com with SMTP id hq12so4095842wib.1 for ; Wed, 31 Oct 2012 04:19:08 -0700 (PDT) In-Reply-To: <20121031110149.GA6376@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, 2012-10-31 at 07:01 -0400, Konrad Rzeszutek Wilk wrote: > Argh. Please disregard this test. I added an extra patch in the kernel > tree to track the SWIOTLB bounce usage and print it.. and the printk was > going out to the FB, which was not too fast - so the whole test was being > slowed down by FB drivers :-) > > Will re-run this test without the offending patch. Anyway, I must confess I didnt understand what you did ;)