[PPC64] Patch to correct alignment for lppaca in paca_struct

[Dave Hansen]

On Mon, 2004-12-06 at 09:16, will schmidt wrote:
> -	struct ItLpPaca lppaca __attribute__((aligned(0x80)));
> +	struct ItLpPaca lppaca __attribute__((aligned(0x400)));

Do you have guarantees about how large the lppaca can get?  If it's
larger than 0x400 bytes, you can still cross a page boundary, right? 
Maybe you should just align it to PAGE_SIZE and be done with it.  

-- Dave