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-rw-r--r--arch/powerpc/kernel/setup_64.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 608fee7c7e2..e3fb78397dc 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -102,7 +102,15 @@ int boot_cpuid_phys = 0;
dev_t boot_dev;
u64 ppc64_pft_size;
-struct ppc64_caches ppc64_caches;
+/* Pick defaults since we might want to patch instructions
+ * before we've read this from the device tree.
+ */
+struct ppc64_caches ppc64_caches = {
+ .dline_size = 0x80,
+ .log_dline_size = 7,
+ .iline_size = 0x80,
+ .log_iline_size = 7
+};
EXPORT_SYMBOL_GPL(ppc64_caches);
/*