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From: Segher Boessenkool <segher@kernel.crashing.org>
Subject: Re: [Cbe-oss-dev] [PATCH] Ignore memory listed in PS3 device tree
Date: Fri, 30 Mar 2007 15:25:40 +0200
To: David Woodhouse <dwmw2@infradead.org>
Cc: linuxppc-dev@ozlabs.org, cbe-oss-dev@ozlabs.org
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> The old 2.6.16 kernel handled memory statically and it was shown in the
> device tree. The current kernel deals with the hypervisor and hotplugs
> the memory, so we should just ignore anything that's reported in the
> device-tree. This enables the current kernel to be booted from 2.6.16
> without evil hacks in head_64.S to override the device-tree.

Surely when you are booted you already have some
memory plugged for you -- shouldn't that memory be
in the device tree?


Segher