[PATCH] powerpc/mm/hash: Move the slb_addr_limit check within PPC_MM_SLICES

[Michael Ellerman]

"Aneesh Kumar K.V" <aneesh.kumar at linux.vnet.ibm.com> writes:

> Should not have any impact, because we always select PP_MM_SLICES these days.
> Nevertheless it is good to indicate that slb_addr_limit is available only
> with slice code.

That file can only be built if PPC_MM_SLICES=y.

So let's just remove the ifdef entirely.

These days PPC_MM_SLICES == PPC_BOOK3S_64, so we should remove
PPC_MM_SLICES #defines wherever possible and replace them with
PPC_BOOK3S_64 otherwise IMO.

cheers

> diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S
> index c66cb06e73a1..337ef162851d 100644
> --- a/arch/powerpc/mm/slb_low.S
> +++ b/arch/powerpc/mm/slb_low.S
> @@ -166,6 +166,8 @@ END_MMU_FTR_SECTION_IFCLR(MMU_FTR_1T_SEGMENT)
>  	 */
>  	cmpdi	r9, 0
>  	bne-	8f
> +
> +#ifdef CONFIG_PPC_MM_SLICES
>          /*
>           * user space make sure we are within the allowed limit
>  	 */
> @@ -183,7 +185,6 @@ END_MMU_FTR_SECTION_IFCLR(MMU_FTR_1T_SEGMENT)
>  	 * really do dynamic patching unfortunately as processes might flip
>  	 * between 4k and 64k standard page size
>  	 */
> -#ifdef CONFIG_PPC_MM_SLICES
>  	/* r10 have esid */
>  	cmpldi	r10,16
>  	/* below SLICE_LOW_TOP */
> -- 
> 2.14.3