Re: Patches for 34K APRP

[Ralf Baechle <ralf@linux-mips.org>]

On Wed, Apr 16, 2008 at 03:32:22PM +0200, Kevin D. Kissell wrote:

>  arch/mips/kernel/setup.c |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
> index f8a535a..a6a0d62 100644
> --- a/arch/mips/kernel/setup.c
> +++ b/arch/mips/kernel/setup.c
> @@ -336,6 +336,10 @@ static void __init bootmem_init(void)
>  #endif
>  		max_low_pfn = PFN_DOWN(HIGHMEM_START);
>  	}
> +	/*
> +	 * Propagate final value of max_low_pfn to max_pfn
> +	 */
> +	max_pfn = max_low_pfn;

That will be incorrect for systems with highmem.  So I think the right
fix is to replace all references to max_pfn in vpe.c with max_low_pfn.

It still won't play nicely with esotheric configurations such as
discontig memory ...

  Ralf