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

From: "Aneesh Kumar K.V" <[email-masked]>
Date: Mon, 30 Apr 2018 11:03:53 +0530

Michael Ellerman <[email-masked]> writes:

> "Aneesh Kumar K.V" <[email-masked]> writes:
>
>> 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 <[email-masked]>
>> Signed-off-by: Aneesh Kumar K.V <[email-masked]>
>> ---
>>  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>
>
> I already merged this, didn't I?
>

yes. This patch was wrongly included in this series.

-aneesh