From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [PATCH] ehea: Add hugepage detection Date: Mon, 27 Oct 2008 14:52:32 -0400 Message-ID: <49060DF0.6040607@garzik.org> References: <200810271038.46825.tklein@de.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Christoph Raisch , Hannes Hering , Jan-Bernd Themann , linux-kernel , linux-ppc , netdev , badari@us.ibm.com, haveblue@us.ibm.com, tollefso@us.ibm.com To: Thomas Klein Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:53085 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751368AbYJ0Swj (ORCPT ); Mon, 27 Oct 2008 14:52:39 -0400 In-Reply-To: <200810271038.46825.tklein@de.ibm.com> Sender: netdev-owner@vger.kernel.org List-ID: Thomas Klein wrote: > All kernel memory which is used for kernel/hardware data transfer must be registered > with firmware using "memory regions". 16GB hugepages may not be part of a memory region > due to firmware restrictions. > This patch modifies the walk_memory_resource callback fn to filter hugepages and add > only standard memory to the busmap which is later on used for MR registration. > > Signed-off-by: Thomas Klein > --- > This reworked patch accounts for comments I got. It's based on davem's net-2.6.git. applied