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authorChristophe Leroy2022-05-24 07:42:05 +0200
committerMichael Ellerman2022-05-24 20:44:48 +1000
commitc85ab4fe33065ca1fdcac26f0c00c837fe727ba7 (patch)
treeaf548dc9c945bbb292a97542ef32b0f9d47610ed
parent14554d92c1c5a127dd0dab8fce8f08bf70d8b39b (diff)
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: ab57bd7570d4 ("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
-rw-r--r--arch/powerpc/include/asm/book3s/64/slice.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/slice.h b/arch/powerpc/include/asm/book3s/64/slice.h
index b8eb4ad271b9..5fbe18544cbd 100644
--- a/arch/powerpc/include/asm/book3s/64/slice.h
+++ b/arch/powerpc/include/asm/book3s/64/slice.h
@@ -4,11 +4,13 @@
#ifndef __ASSEMBLY__
+#ifdef CONFIG_PPC_64S_HASH_MMU
#ifdef CONFIG_HUGETLB_PAGE
#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
#endif
#define HAVE_ARCH_UNMAPPED_AREA
#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
+#endif
#define SLICE_LOW_SHIFT 28
#define SLICE_LOW_TOP (0x100000000ul)