powerpc/64s: Only set HAVE_ARCH_UNMAPPED_AREA when CONFIG_PPC_64S_HASH_MMU is set
When CONFIG_PPC_64S_HASH_MMU is not set, slice.c is not built and
arch_get_unmapped_area() and arch_get_unmapped_area_topdown() are
not provided because RADIX uses the generic ones.
Therefore, neither set HAVE_ARCH_UNMAPPED_AREA nor
HAVE_ARCH_UNMAPPED_AREA_TOPDOWN.
Fixes: ab57bd7570
("powerpc/mm: Move get_unmapped_area functions to slice.c")
Reported-by: Laurent Dufour <ldufour@linux.ibm.com>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Tested-by: Laurent Dufour <ldufour@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/e438c6cc09f94085e56733ed2d6e84333c35292a.1653370913.git.christophe.leroy@csgroup.eu
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@ -4,11 +4,13 @@
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#ifndef __ASSEMBLY__
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#ifdef CONFIG_PPC_64S_HASH_MMU
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#ifdef CONFIG_HUGETLB_PAGE
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#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
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#endif
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#define HAVE_ARCH_UNMAPPED_AREA
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#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
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#endif
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#define SLICE_LOW_SHIFT 28
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#define SLICE_LOW_TOP (0x100000000ul)
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