netdev - Re: [PATCH] ehea: Add hugepage detection

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Message-ID: <49060DF0.6040607@garzik.org>
Date:	Mon, 27 Oct 2008 14:52:32 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Thomas Klein <tklein@...ibm.com>
CC:	Christoph Raisch <raisch@...ibm.com>,
	Hannes Hering <hering2@...ibm.com>,
	Jan-Bernd Themann <themann@...ibm.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-ppc <linuxppc-dev@...abs.org>,
	netdev <netdev@...r.kernel.org>, badari@...ibm.com,
	haveblue@...ibm.com, tollefso@...ibm.com
Subject: Re: [PATCH] ehea: Add hugepage detection

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 <tklein@...ibm.com>
> ---
> This reworked patch accounts for comments I got. It's based on davem's net-2.6.git.

applied


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