--- zzzz-none-000/linux-3.10.107/arch/mips/include/asm/smp.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/arch/mips/include/asm/smp.h	2021-11-10 11:53:54.000000000 +0000
@@ -16,12 +16,14 @@
 #include <linux/smp.h>
 #include <linux/threads.h>
 #include <linux/cpumask.h>
+#include <linux/cache.h>
 
 #include <linux/atomic.h>
 #include <asm/smp-ops.h>
+#include <asm/percpu.h>
 
 extern int smp_num_siblings;
-extern cpumask_t cpu_sibling_map[];
+DECLARE_PER_CPU_SHARED_ALIGNED(cpumask_t, cpu_sibling_map);
 
 #define raw_smp_processor_id() (current_thread_info()->cpu)