From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e28smtp07.in.ibm.com ([122.248.162.7]:36672 "EHLO e28smtp07.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750904AbaBQEuQ (ORCPT ); Sun, 16 Feb 2014 23:50:16 -0500 Received: from /spool/local by e28smtp07.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 17 Feb 2014 10:20:12 +0530 Received: from d28relay01.in.ibm.com (d28relay01.in.ibm.com [9.184.220.58]) by d28dlp02.in.ibm.com (Postfix) with ESMTP id 6E51F3940023 for ; Mon, 17 Feb 2014 10:20:08 +0530 (IST) Received: from d28av02.in.ibm.com (d28av02.in.ibm.com [9.184.220.64]) by d28relay01.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id s1H4o4j026148976 for ; Mon, 17 Feb 2014 10:20:04 +0530 Received: from d28av02.in.ibm.com (localhost [127.0.0.1]) by d28av02.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id s1H4o7As024779 for ; Mon, 17 Feb 2014 10:20:07 +0530 Date: Mon, 17 Feb 2014 12:50:04 +0800 From: Guo Chao To: Bjorn Helgaas , Yinghai Lu Cc: linux-pci@vger.kernel.org Subject: Support huge alignment in pbus_size_mem() Message-ID: <20140217045004.GB3230@yanx> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-pci-owner@vger.kernel.org List-ID: pbus_size_mem() limits resource alignment within 2G. We want to extend this limit to support a 16G BAR. I found similar effort was tried before: https://lkml.org/lkml/2012/6/21/411 What's the result? Does anyone come up with an adaptive algorithm? Regards, Guo Chao