Re: [BK PATCH] Dynamic MP_BUSSES and IRQ_SOURCES for 2.4.21-pre1

From: Alan Cox (
Date: Thu Dec 12 2002 - 07:48:08 EST

On Thu, 2002-12-12 at 01:53, Greg KH wrote:
> If the machine needs more busses or interrupts, they will be dynamically
> allocated at boot time. If not, the existing MAX_MP_BUSSES and
> MAX_IRW_SOURCES value will be used. Once nice side effect of this patch
> is when running a SMP kernel on a UP machine without a MP table, less
> kernel memory is used than without the patch.
> This patch was originally written by James Cleverdon, and has been in
> the -ac tree for quite some time. I also think Red Hat includes it in
> their main kernel, but am not sure.

Its certainly been in some of our trees.

Marcelo this patch hasn't caused any problem reports in -ac for a long
time. I'm all for including it.

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