[PATCH] powerpc: kdump: Reserve the existing TCE mappings left by the first kernel

[Olof Johansson]

On Thu, Jun 22, 2006 at 11:35:10PM -0700, Haren Myneni wrote:
> Paul, Olof,
> 
> tce_union got removed in powerpc.git tree. Hence reposting the patch 
> created against this tree. This patch is implemented based on Olof's 
> suggestion of reserving TCE entries and use only available ones in the 
> kdump boot and tested on P5, P4, JS20 and JS21 machines.
> 
> If you are OK with this patch, please send it to upstream.

Looks good to me. Other platforms can add get_tce pointers later as
needed.

> sending to remote machine). Hence, this patch will make sure that 
> minimum of 2048 entries will be available such that kdump boot could be 
> successful in some cases.

Heh, I was pretty sure 10 was way too little. Good to see a number.

> Signed-off-by: Haren Myneni <haren at us.ibm.com>

Acked-by: Olof Johansson <olof at lixom.net>


-Olof