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* [PATCH] powerpc/8xx: Build fix with Hugetlbfs enabled
@ 2018-04-10  8:51 Aneesh Kumar K.V
  2018-04-11 14:49 ` Michael Ellerman
  0 siblings, 1 reply; 2+ messages in thread
From: Aneesh Kumar K.V @ 2018-04-10  8:51 UTC (permalink / raw)
  To: benh, paulus, mpe; +Cc: linuxppc-dev, Aneesh Kumar K.V, Christophe LEROY

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@c-s.fr>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@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

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2018-04-10  8:51 [PATCH] powerpc/8xx: Build fix with Hugetlbfs enabled Aneesh Kumar K.V
2018-04-11 14:49 ` Michael Ellerman

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