The patch titled
Subject: powerpc/mm: fix undefined reference to `.__kernel_map_pages' on FSL PPC64
has been added to the -mm tree. Its filename is
powerpc-mm-fix-undefined-reference-to-__kernel_map_pages-on-fsl-ppc64.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/powerpc-mm-fix-undefined-reference-to-__kernel_map_pages-on-fsl-ppc64.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/powerpc-mm-fix-undefined-reference-to-__kernel_map_pages-on-fsl-ppc64.patch
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------------------------------------------------------
From: Kim Phillips <kim.phillips@xxxxxxxxxxxxx>
Subject: powerpc/mm: fix undefined reference to `.__kernel_map_pages' on FSL PPC64
arch/powerpc has __kernel_map_pages implementations in mm/pgtable_32.c, and
mm/hash_utils_64.c, of which the former is built for PPC32, and the latter
for PPC64 machines with PPC_STD_MMU. Fix arch/powerpc/Kconfig to not select
ARCH_SUPPORTS_DEBUG_PAGEALLOC when CONFIG_PPC_STD_MMU_64 isn't defined,
i.e., for 64-bit book3e builds to use the generic __kernel_map_pages()
in mm/debug-pagealloc.c.
LD init/built-in.o
mm/built-in.o: In function `kernel_map_pages':
include/linux/mm.h:2076: undefined reference to `.__kernel_map_pages'
include/linux/mm.h:2076: undefined reference to `.__kernel_map_pages'
include/linux/mm.h:2076: undefined reference to `.__kernel_map_pages'
Makefile:925: recipe for target 'vmlinux' failed
make: *** [vmlinux] Error 1
Fixes: 031bc5743f15 ("mm/debug-pagealloc: make debug-pagealloc boottime configurable")
Signed-off-by: Kim Phillips <kim.phillips@xxxxxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
CC: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Cc: Konstantin Khlebnikov <k.khlebnikov@xxxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Scott Wood <scottwood@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff -puN arch/powerpc/Kconfig~powerpc-mm-fix-undefined-reference-to-__kernel_map_pages-on-fsl-ppc64 arch/powerpc/Kconfig
--- a/arch/powerpc/Kconfig~powerpc-mm-fix-undefined-reference-to-__kernel_map_pages-on-fsl-ppc64
+++ a/arch/powerpc/Kconfig
@@ -256,6 +256,7 @@ config PPC_OF_PLATFORM_PCI
default n
config ARCH_SUPPORTS_DEBUG_PAGEALLOC
+ depends on PPC32 || PPC_STD_MMU_64
def_bool y
config ARCH_SUPPORTS_UPROBES
_
Patches currently in -mm which might be from kim.phillips@xxxxxxxxxxxxx are
powerpc-mm-fix-undefined-reference-to-__kernel_map_pages-on-fsl-ppc64.patch
mm-slub-fix-typo.patch
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