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

Aneesh Kumar K.V aneesh.kumar at linux.vnet.ibm.com
Mon Apr 30 15:33:53 AEST 2018


Michael Ellerman <mpe at ellerman.id.au> writes:

> "Aneesh Kumar K.V" <aneesh.kumar at linux.ibm.com> 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 <christophe.leroy at c-s.fr>
>> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at 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>
>
> I already merged this, didn't I?
>

yes. This patch was wrongly included in this series.

-aneesh



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