1 files changed, 3 insertions, 1 deletions

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index b746deb9ebc6..f28c56e6bf94 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