From: Jeff Garzik <jeff@garzik.org>
To: Thomas Klein <tklein@de.ibm.com>
Cc: badari@us.ibm.com, Jan-Bernd Themann <themann@de.ibm.com>,
netdev <netdev@vger.kernel.org>,
tollefso@us.ibm.com, Hannes Hering <hering2@de.ibm.com>,
haveblue@us.ibm.com, linux-kernel <linux-kernel@vger.kernel.org>,
linux-ppc <linuxppc-dev@ozlabs.org>,
Christoph Raisch <raisch@de.ibm.com>
Subject: Re: [PATCH] ehea: Add hugepage detection
Date: Mon, 27 Oct 2008 14:52:32 -0400 [thread overview]
Message-ID: <49060DF0.6040607@garzik.org> (raw)
In-Reply-To: <200810271038.46825.tklein@de.ibm.com>
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@de.ibm.com>
> ---
> This reworked patch accounts for comments I got. It's based on davem's net-2.6.git.
applied
WARNING: multiple messages have this Message-ID (diff)
From: Jeff Garzik <jeff@garzik.org>
To: Thomas Klein <tklein@de.ibm.com>
Cc: Christoph Raisch <raisch@de.ibm.com>,
Hannes Hering <hering2@de.ibm.com>,
Jan-Bernd Themann <themann@de.ibm.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-ppc <linuxppc-dev@ozlabs.org>,
netdev <netdev@vger.kernel.org>,
badari@us.ibm.com, haveblue@us.ibm.com, tollefso@us.ibm.com
Subject: Re: [PATCH] ehea: Add hugepage detection
Date: Mon, 27 Oct 2008 14:52:32 -0400 [thread overview]
Message-ID: <49060DF0.6040607@garzik.org> (raw)
In-Reply-To: <200810271038.46825.tklein@de.ibm.com>
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@de.ibm.com>
> ---
> This reworked patch accounts for comments I got. It's based on davem's net-2.6.git.
applied
next prev parent reply other threads:[~2008-10-27 18:52 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-27 9:38 [PATCH] ehea: Add hugepage detection Thomas Klein
2008-10-27 9:38 ` Thomas Klein
2008-10-27 18:52 ` Jeff Garzik [this message]
2008-10-27 18:52 ` Jeff Garzik
-- strict thread matches above, loose matches on Subject: below --
2008-10-27 9:33 Thomas Klein
2008-10-27 9:33 ` Thomas Klein
2008-10-24 11:07 Thomas Klein
2008-10-24 18:55 ` Dave Hansen
2008-10-24 18:55 ` Dave Hansen
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