[PATCH v5 3/7] powerpc/mm/hugetlb: Handle hugepage size supported by hash config

[Balbir Singh]

On 23/11/16 22:09, Aneesh Kumar K.V wrote:
> W.r.t hash page table config, we support 16MB and 16GB as the hugepage
> size. Update the hstate_get_psize to handle 16M and 16G.
> 
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.vnet.ibm.com>
> ---
>  arch/powerpc/include/asm/book3s/64/hugetlb.h | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/powerpc/include/asm/book3s/64/hugetlb.h b/arch/powerpc/include/asm/book3s/64/hugetlb.h
> index 499268045306..d9c283f95e05 100644
> --- a/arch/powerpc/include/asm/book3s/64/hugetlb.h
> +++ b/arch/powerpc/include/asm/book3s/64/hugetlb.h
> @@ -21,6 +21,10 @@ static inline int hstate_get_psize(struct hstate *hstate)
>  		return MMU_PAGE_2M;
>  	else if (shift == mmu_psize_defs[MMU_PAGE_1G].shift)
>  		return MMU_PAGE_1G;
> +	else if (shift == mmu_psize_defs[MMU_PAGE_16M].shift)
> +		return MMU_PAGE_16M;
> +	else if (shift == mmu_psize_defs[MMU_PAGE_16G].shift)
> +		return MMU_PAGE_16G;
>  	else {
>  		WARN(1, "Wrong huge page shift\n");
>  		return mmu_virtual_psize;
> 

Is this related to this patch series? Radix can't do these sizes

Balbir