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-rw-r--r--arch/x86/kernel/setup.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index b746deb9ebc..f28c56e6bf9 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -202,7 +202,9 @@ struct ist_info ist_info;
#endif
#else
-struct cpuinfo_x86 boot_cpu_data __read_mostly;
+struct cpuinfo_x86 boot_cpu_data __read_mostly = {
+ .x86_phys_bits = MAX_PHYSMEM_BITS,
+};
EXPORT_SYMBOL(boot_cpu_data);
#endif