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.le...@c-s.fr> Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.ibm.com> --- 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); -- 2.14.3