Subject: Re: [PATCH V3 2/2] powerpc/pseries: init fault_around_order for pseries

From: Rusty Russell <[email-masked]>
Date: Tue, 29 Apr 2014 11:48:40 +0930

Madhavan Srinivasan <[email-masked]> writes:
> diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
> index 2db8cc6..c87e6b6 100644
> --- a/arch/powerpc/platforms/pseries/setup.c
> +++ b/arch/powerpc/platforms/pseries/setup.c
> @@ -74,6 +74,8 @@ int CMO_SecPSP = -1;
>  unsigned long CMO_PageSize = (ASM_CONST(1) << IOMMU_PAGE_SHIFT_4K);
>  EXPORT_SYMBOL(CMO_PageSize);
>  
> +extern unsigned int fault_around_order;
> +

It's considered bad form to do this.  Put the declaration in linux/mm.h.

Thanks,
Rusty.
PS.  But we're getting there! :)