[PATCH] powerpc/8xx: Build fix with Hugetlbfs enabled

[Christophe LEROY]

Le 16/04/2018 à 13:27, Aneesh Kumar K.V a écrit :
> 8xx use slice code when hugetlbfs is enabled. We missed a header include on
> 8xx which resulted in the below build failure.
> 
> config: mpc885_ads_defconfig + CONFIG_HUGETLBFS
> 
>     CC      arch/powerpc/mm/slice.o
> arch/powerpc/mm/slice.c: In function 'slice_get_unmapped_area':
> arch/powerpc/mm/slice.c:655:2: error: implicit declaration of function 'need_extra_context' [-Werror=implicit-function-declaration]
> arch/powerpc/mm/slice.c:656:3: error: implicit declaration of function 'alloc_extended_context' [-Werror=implicit-function-declaration]
> cc1: all warnings being treated as errors
> make[1]: *** [arch/powerpc/mm/slice.o] Error 1
> make: *** [arch/powerpc/mm] Error 2
> 
> on PPC64 the mmu_context.h was included via linux/pkeys.h
> 
> CC: Christophe LEROY <christophe.leroy at c-s.fr>
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.ibm.com>

Tested-by: Christophe Leroy <christophe.leroy at c-s.fr>

> ---
>   arch/powerpc/mm/slice.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c
> index 9cd87d11fe4e..205fe557ca10 100644
> --- a/arch/powerpc/mm/slice.c
> +++ b/arch/powerpc/mm/slice.c
> @@ -35,6 +35,7 @@
>   #include <asm/mmu.h>
>   #include <asm/copro.h>
>   #include <asm/hugetlb.h>
> +#include <asm/mmu_context.h>
>   
>   static DEFINE_SPINLOCK(slice_convert_lock);
>   
>