From: Andi Kleen <ak@suse.de>
To: Zou Nan hai <nanhai.zou@intel.com>
Subject: Re: [Patch] Move swiotlb_init early on X86_64
Date: Fri, 3 Mar 2006 02:32:11 +0100
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Cc: "Zhang, Yanmin" <yanmin.zhang@intel.com>,
       "Luck, Tony" <tony.luck@intel.com>, LKML <linux-kernel@vger.kernel.org>,
       Andrew Morton <akpm@osdl.org>,
       "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>
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On Friday 03 March 2006 00:35, Zou Nan hai wrote:

> This patch modify the bootmem allocator,
> let normal bootmem allocation on 64 bit system first go above 4G
> address.

That's very ugly and likely to break some architectures. Sorry
but #ifdefs is the wrong way to do this.

Passing a limit parameter is better and use that in the swiotlb
allocation. If you're worried about changing too many callers
you could add a new entry point.

-Andi

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